Manifold volume hp tuners. Boss manifold volume of 11.

Manifold volume hp tuners if you dont see it there you may need to contact hp tuners so they can add it. I've made the appropriate open/closed voltage adjustments, and verified that all vac connections are correct per the Lund writeup. HP Tuners LLC; Top; I think there is something missing in hptuners for manifold volume calculations when SCIAP is involved. 74 which can be input under the speed density tab. 60 60' 2015 SS camaro, LS3 , can I get some input on the general consensus of what Manifold Volume works the best on these motors with a whipple 2. View Profile View Forum Posts Private Message Tuner Join Date Nov 2011 Posts 104. Anyone have any insights they are willing to share with HP Tuners, LLC. You probably just lost low end with the single-plane intake. Thread Tools. Unfortunately no matter how I play with the follower, cracker or underspeed/overspeed tables, I can't get a normal return to idle after a throttle blipit just undershoots and stalls or catches, then overshoots in rpms, then dips Hey everyone, haven't posted in years as I haven't really done much tuning since getting rid of my '08 Vette. 1 plus 2. 74L to 12. I swapped a LT2 intake manifold, ported the manifold and stock TB myself and added LT headers. Senior Tuner Join Date Jul 2012 Location Florida Posts 1,586. GHuggins. The time now is what was stated before was backwards you need to REDUCE the manifold volume scalar to give it MORE pump shot on tip-in. mass tables, and perhaps manifold volume? Thanks 06-03-2014 #3. Nothing to change or disable other than reactivating your PE settings. 0?? Anyone know definitely what volume (not flow numbers but static volume) should be used with that What is involved in the tune? Say a GT350 manifold on a gen 2, with a TB adapter so you can use the stock TB. generally if the MAf is dialed in, you can multiply the LWMF usually the top 2 or 3 rows by 10%. View Profile View Forum Posts Private I'm having these crazy issues when trying to tune VVE on my 2017 Camaro SS. okay i was going back and forth to dial this tune first dial in the 47lb injectors data , MAF data , change the Virtual Volumetric Efficiency. Bill88stang. HP Tuners LLC; Top; But I did get a manifold swap down to 20 or so min lol. Long story short, I got familiar with winols (demo) and Ghirda de compiler and found the P0101 max airflow delta table. Charles 04-14-2016 #16. Using 10 psi of boost. They did offer to see if they could add manifold volume to the list of editable values for my tune and I would greatly appreciate it. 7 LS in my 07 classic truck now. 18 Lt1 questions Two quick questions as I have not dove this far into the Lt stuff. 08-24-2016 #54. 6 3v i usually raise the Transient Fuel Gain Accel and Transient Fuel Time Constant Accel tables You would think because intake manifold pressure is 198kpa and boost is 14. Used as an input into the transient fueling model. I recently got HP Tuners and I can't find this value to edit. MSD manifold volume for the LT1 setup. Searched on here and found several threads about the 2018 intake manifold swap on a prior-year s550, but most describe what it takes to adjust the tune with IMRC locked out. View Profile View Forum Posts Private 2015 SS camaro, LS3 , whipple with stock 4. its under the transients tab. Boss manifold volume of 11. Siciliano15. If someone could help me with this id appreciate it. 45L is the Manifold Volume for FRRP Intake 3V05-2010 Last edited by mstang_man; 04-27-2017 at 01:19 PM. View Profile View Forum Posts Private Message Tuner Join Date May 2016 Location Tx Posts 54. I haven't really seen much change on my own car on the Potential Tuner Join Date Mar 2022 Posts 2. 0. I will be posting on this thread frequently so Can someone tell me what the manifold volume is for the CJ intake? Im still on the "other" software so I can't look for it myself. It hasnt Have a 06 Mustang GT I'm helping a friend with that has log tube headers, No Cats, comp mutha thumper cams, comp vacuum pump, Holly Sniper Intake Manifold, IMRC deletes, OE intake, stock short block auto the car is being remotely calibrated and there are issues with idle since the intake manifold swap. 5 help calculate the extra air flow volume? 15-17 = 11. 55 rear gears Mods : Ported Boss 302 IM , Pmas tune req CAI , BBK 1 7/8 LT headers , off-road x pipe , FRPP 47lb Injectors , VMP BAP . Kris 06-28-2018 #7. Variable Camshaft: Master enable/disable for Variable Camshaft Timing(VCT) system. You need to adjust it as part of your tip-in and tip-out fuel tuning process. But my Diff is not gonna like that, same goes for the supercharger setup Blower setup is gonna run 4-5k easy and thats not including bigger injectors or fuel pump. 08-15-2016 #5. 487 , 10. 2016 BBK longtubes, No cats, offroad exhaust, JLT I will try to get a hold of the shop that did the swap and find out for sure which chassis the engine came out of. 1L to the 12. Is the only thing to do is change the manifold volume and raise the RPM limit? This has me stumped I see pro tuners are charging 100 plus for the swap. For reference I also included a 2014 6. Show Printable Version; 03-26-2022 #1. View Profile View Forum Posts Private Message Advanced Tuner Join Date Dec 2017 Posts 767 HP Tuners LLC; Top; All times are GMT -5. 4 Ram, 2014 6. 6 L (what Holley said 6. x. The 18 up GT and the VooDoo manifolds are pretty close in performance and with the 6R80's gear spread you are losing to the 18 up truck manifold, especially on a truck. Have a 5. 5 ) and see what it does. I have two logs for your perusal, one showing 20lb/min MAF and 18% injector duty and 8ms pulsewidth (and lean misfiring), and another with the MAF scaled up to 28lb/min at the same RPM and load and still showing 18% injector duty and 8ms pulsewidth (and lean misfiring). 0 Lq4. Your throttle body changes are also going to throw off expected airmass You can find it in 2. 24 under Engine - Airflow - General - Intake Manifold - Manifold Volume. View Profile View Forum Posts Private Message I've seen dyno results of the 18 vs 11-14 stock intake and the 18 gained low end where the boss intake would lose torque. Car sounds and runs great, but we are having this I have the 18 Manifold with the harness adapters should I start with Hp tuners mpvi2 and a few credits? Any help would be greatly appreciated. Now I have a '15 Silverado and see things are much more complicated than they used to be so I decided to start off slow with the mods and am going to be swapping in a 6. View Profile View Forum Posts Private Message Senior Tuner Join Date Dec 2005 Location It does not appear that the transient tables are available. these older 4. mastuned. HP Tuners. From there I simply changed the intake manifold volume from the stock value of 11. Grim5. 96 18 I put an LT1 intake manifold and throttle body on my L83 and never had any issues to speak of. 5L listed in every 2018 Mustang file I am struggling to get the car going. What would be the general consensus on manifold volume settings for this setup to aid in transients? All help appreciated. Jump to page: Quick Navigation GM V8 Tuning - Engine, Gas (Gen 4) Top I was referring to lowering the manifold volume 10% for starters Senior Tuner Join Date May 2016 Posts 1,134. 10-04-2016 #7. might try increasing manifold volume 25-30% Post a log and tune if you want help VCM Suite V3+ GETTING STARTED THREADS / HOW TO's Tuner by night CPX Tuning 2005 Corvette, M6 HP Tuners. 6 3v and cannot get it to add fuel at WOT/Open loop. I put an LT1 intake manifold and throttle body on my L83 and never had any issues to speak of. 02-01-2021 #9. Wouldn't it be better to leave the manifold volume as stock, and then adjust ECM 13620 to add fuel proportional to the stomp? IMRC Switch: Master enable/disable for Intake Manifold Runner Control(IMRC) switch. 11-30-2012 #5. they got the best results by increasing the manifold volume setting. View Profile View Forum Posts Private Message Senior Tuner Join Date Jan 2014 Location Australia Posts 2,036. Has anyone calculated what the volume of the MSD Atomic intake manifold is? I just installed one along with the LT5 throttle body, I changed the Max Area for the throttle body to 5,054 but haven't seen any information on intake manifold volume. comCheck out the latest tuni Last 11. Under Fuel>Transient there are no more I see a number of different values used for Manifold Intake Volume in LS3s. 08-22-2021 #8. Re dyno'd it without making any other adjustments. Also being paired with the 103mm tb. As far as raising the limiter to 7700 RPM, what all needs to be done to let the car make power and stay safe at that RPM? This is a potential mod I want to do with my project car. 73 (using Write Calibration Only). 2. 3, with a 6. The car starts but as soon as I apply some gas it starts stalling, also O2 sensors are showing voltage but in VCM scanner does not show any values when I view gauges. Manifold volume is part of the transient fuel logic. 56L , on gasoline stock injectors and data are fine . HP Tuners, LLC. As it doesn't seem to be available in ANY of the HP Tuners tune files I suspect this one will be more involved. barum You may just need to request it from HP Tuners If it's not available I can tell you what to roughly change 2010 Vette Stock Bottom LS3 - LS2 APS Twin Turbo Kit, Trick Flow Heads and If the manifold volume changes, this should too. Quick Navigation GM V8 Tuning - Engine, Gas (Gen 4) Top. I'm looking for smaller gains for the moment. 0 pulley, LT headers no cats, LS9 cam. I downloaded 3. 59, 13. Do you have to look at the stock file to find this? along with different TB sizes? Just curious if you put the stock value in or adjust from whatever value is in tune from stock? I know the runners are way different on the LT2 compared to the truck L86 and so on. 7 hemi with ported heads, procharger, ported intake manifold, bigger TB, and more. I want to keep IMRC. I think it stacks something on top of the O2 transport delay during times of rapid throttle movement, to keep the trims well timed and prevent a chase condition. and it did not differ more than 0. The volume is the intake manifold, in its entirety (plenum and runners), plus the intake runners in the head. IMRC Opening Torque% vs. 2psi that I would have approx double the amount of air going into the engine. as I mean for under 3k i could run the fast 102 manifold with new the nice fuel rails and a nitrous setup and have any easy 100+HP. With an intake manifold of X intake volume of air mass,how much of it goes to the cylinder which is on the intake stroke and how much is wasted on the other 3 cylinders assuming that we are dealing with a I4 cylinder engine. So when changing from the stock LS3 intake to a Intake manifold volume is exactly that, the volume of the intake manifold, no other extra pipe or volume included. Car and Mods: 2014 Coyote Crate Motor (Late build 2014 motor, so it has 2015 Hello Guys , i need your suggestions to dial up the last touches on my Tune Car specs : 2012 Ford Mustang GT , Auto , 3. Its a 2019 10R80 equipped Mustang GT. I think it functions more as a transient delay that affects how STFTs work. I'm told that "intake manifold volume" is now available to calibrate with 3. Cringer. Generally you can just change manifold Volume but also like to change the OP intake valve opening Normalizer it for the higher RPM and Timing. All this has been tested in neutral so I'm resistant to even test drive it or drive it to the tuner. Hi Guys :hi: My car my car Holden Commodore VE 2007 L98 auto i installed JBA Headers, Magnaflow Exhaust, K&N Intek and SLP pulley. xinacyra. current tune file is attached that i played with biased on info on here, like intake manifold volume, I'm guessing i should update this to match the manifold in the truck 4 Days Ago #8. I would go straight to the disabled route for your sanity. 2017 Camaro SS, Flow Tech axle back, Roto Fab, Nick Williams 103 TB, BBK long tube headers, Magnuson 2650, Snow Performance Water/Methanol Injection. The (built螺7) litre was around 1050 hp on 18 psi with E85, some people on this forum were having this problem not that long ago. 5 last night but I still can find it. Hello, I was just wondering what tune changes need to be made to account for a Boss 302 Intake Manifold. 2 intake manifold and throttle body, Texas speed long tube headers. nothing crazy, I have a K&N Black hawk on order. i 2018 truck 6. 2 liter truck and noticed it is 854. 5 L sounds reasonable. I'm still trying to determine if the 9590 number is just the plenum, or plenum and runners, or the plenum/runners and portsso as a result, I have not yet changed it for the new manifold. I am at a standstill with my car trying to tune it myself. Does anybody know what value is used for manifold volume?? I just downloaded a stock tune file for a 2011 6. I have changed it to 15 liters. Does anyone know the volume of the inside of an LSXRT intake in cubic volume. Hopefully I'll be swapping this year depending on what I do with my car. I recently picked up a 105mm Holley Hi-Ram & Katech 103mm TB to round out my FBO setup on my 2018 Camaro SS. Pair that with the truck cams and the GT manifold falls on it's face. sssnake. small tuner. 2l intake manifold and throttle body. starting off, I have a 2014 Chevy Silverado 5. First up it ran a stock plenum of roughly 800ml volume , Dyno'd it and got X amount of power. The descriptor for the manifold volume setting - [ECM] 12003 - Intake Manifold Volume: The volume of the intake manifold. In this post, we’ll Hi there, tuning a boosted 4. Followed Goat Rope Garage speed density tuning video and also checked on here to see Manifold Volume Max Airflow Disabled MDS Adjusted fan settings for 180F thermostat Disabled rear 02 sensor via maxing "ECT Rear" temp Disabled DTCs for rear 02 sensors Below is a recent log file and my current tune. Projected 20 psi boost. elitetunedschool. I have been looking over tune files and have noticed "Manifold Volumes", would changing the Manifold volume to 12. If I get off my lazy butt and change the manifold tonight. Any help or suggestions is appreciated posting oem I have been increased my manifold volume by 15% as of yesterday before I took the logs (screenshot attached) and it has improved the lean tip in but I have more to go. In general, your MAF table won't be affected as much by your new intake manifold and TB as it was by the cold air intake. 8 has a brand new feature called the VE Neural Network Trainer. Manifold Volume $ Speed Density & Dashpots HP Tuners LLC; Top; Does anyone have an HP tuners tune that I could look at for a 2011 Camaro L99 with headers, CAT delete, with a Maggie TVS2300, make sure you adjust your manifold volume Follow @MASTUNING visit www. It should be raised anyway since your MAF is probably further away than it was in stock First up it ran a stock plenum of roughly 800ml volume , Dyno'd it and got X amount of power. not planning on more engine mods. 25. The baseline tune seemed pretty close (as it probably should be) but I wanted to do it right. Site Areas; Settings HP Tuners LLC; Top; All times are GMT -5. The car was running great and then he - Dynamic Airflow -> Manifold Volume HP Tuners version 4. DannyC. IMRC Sensor: Enabled if an IMRC Position Sensor is fitted. That is the value I've been using. There is a adjustment for throttle body size and for intake manifold volume. Does all of the intake mass goes into the cylinder that it is on the intake stroke, how Tuners like you that do this every day having problems really gives me concerns about tuning a 2015+ with a positive displacement blower. very first time I have ever tuned anything With that said. Thanks! : Manifold Volume parameter missing on 2011 ECM; Results 1 to 2 of 2 View Profile View Forum Posts Private Message Tuner in Training As long as you don't have an E40 controller - increase manifold volume until your problem is pretty well gone - you just don't want to over do it - this will leave a dip in your MAF curve 2010 Vette Stock Bottom LS3 - LS2 APS Twin Turbo Kit, Trick Flow Heads and Custom Cam - 12psi - 714rwhp and 820rwtq / 100hp Nitrous Shot starting at 3000 rpms - 948rwhp and After trying for 3 or 4 days now to no avail, I need some help figuring out how to tune my MAF sensor. bradtabor. I have since switched to a Fast LsxRT intake manifold and Warr 102 mm cable throttle body. Tuner in Training Join Date Mar 2019 Posts 11. 04-27-2017 #5. I requested the addition of it because I have a FAST 102 intake, which does change the manifold volume. Installed 18 manifold into my 2015 gt auto with ford racing pp2 and I purchased the true plug and play set of harnesses. 07GTS. View Profile View Forum Posts Private Message Advanced HP Tuners LLC; Top; All times are GMT -5. I have changed the manifold volume and throttle max area settings in HPTuners to match a stock LT Camaro and that made no difference. 0; 11-01-2021 at 08:59 PM. There are several threads on this board that discuss dialing in your MAF and VVE tables. I have carried over all changes from stock tune and adjusted manifold volume to 11. 5 area. I see different values (from the repository) for manifold intakes from stock LS3 tunes of 9. 9 and headers, ls9 cam. Any professionals able to provide some insight of what I need to change or someone with similar setup. The manifold volume scalar has absolutely nothing at all to do with the size of the actual intake manifold and modifying it for an intake manifold change is a very common mistake made by amateur ford tuners that read the title and mistakenly There is a base gain table for stomp (ECM 13620) which is zeroed out so the increase in fuel mass only comes from manifold volume meaning the same amount of transient fuel is added regardless how hard the stomp is. 09-10-2016 #8. If the stock heads on the intake side are 161cc, ported I would assume then have about a 15-20% volume increase to match the flow numbers (rounding Manifold volume is still stock. Need some help from someone that really knows their stuff. It's in Engine->Airflow->Speed Density. If you are tuning such a vehicle, you can use the Virtual Volumetric Efficiency Table OK this is logical, You have volume from the bottom of the manifold to the valve. 05-23-2022 #6. -VMP 163R Throttle Body -ID1300X2 Posted a while back, got some help but I think i stared wrong. Now I installed the new parts on the car ;) Camshaft 224 230 Dur 581 590 Lift 114 LSA FAST 102mm Intake Manifold Yes manifold volume will save A LOT of transient tuning fuss, but if you have a cam you'll still need to tweak it a touch after all said and done most likely. I see mixed opinions on like IRMC etc. View Profile View Forum Posts Private Message Advanced Tuner Join Date Jan 2016 Posts 332. I will try 8. I'd recommend trying to find a professional tuner that is comfortable tuning the network, but that may take a while because the feature just came out a few days ago. Im swapping over to the TBSS intake with new injectors(12580681) and a silver blade 90mm TB. In 2. Rather than a traditional VE table, certain GM vehicles use something called "VE coefficients" for volumetric efficiency. The transient did not work for me. gt350 manifold is 'manifold volume' 12. I send the file to HP Tuners using the ticket feature (request 3027) rotors, intercooler brick, go smaller with the setting. The issue im having is the imrc sensor Voltage differences on 15 stock manifold I had 1. 10 02-25-2022 #25. Senior Tuner Join Date Apr 2007 Posts 1,104. Advanced Tuner Join Date Mar 2018 Posts 451. More than the boss intake, less than the cobra jet. 4 challenger, and my original factory tune. 05-15-2016 #3. 5 hp anywhere across the entire rev range. I've run the 18 up truck manifold on the GT and it is faster than the GT350 manifold below 6500. How do I adjust for the intake? What do I change and how do I correct for the different size injectors? After my winter build project of a brand new LT1 Forged 1000HP build (C7 Z-51) with the below parts; all balanced down to 1 gram by our local top race engine machine shop (Moffit and Bratton). VCT can kill or make power but you need to start from scratch and with a vehicle that is operating as it should without any faults. 5 compression crate engine -VMP Odin Supercharger with 69MM 8 rib pulley and 10%OD crank pulley. 12-04-2021 #10. View Profile View Forum Posts Private Message Advanced Tuner Join HP Tuners LLC; Top; I'm working with a E38 controller in a 2012 Z06. 33 cubic inches. Now with the 18 manifold its 1. manifold volume is almost identical to stock. View Profile View Forum Posts Private Message Tuner Join Date Feb 2020 If you have Manifold Volume, try bumping it up by 5-10% and see how it helps 10-19-2016 #3. Then made a custom plenum using the stock manifold with a modified plenum about double if not more than the stock size one. 5 and 14. I have read where it has caused issues for others but that was not my experience at all. Thanks Mike Support Those Who Support The GarageFor more tuning content check out our partner Elite Tuned School:http://www. Tuner in Training Join Date Jan 2020 Posts 10. I found it hard to separate the effects of manifold volume and transient gain. Mods list: -Ford Racing Aluminator 9. I use to have a tbss intake manifold on my 6. My questions are. 03 @ 126 mph with a 1. cc-rider. We are getting what we believe is false knock at higher RPMs on the dyno that is pulling all the timing (10-12 degrees). 16v for closed and 4. Hi there, I have a question that is been floating in my head. I switched to an edelbrock intake manifold specs unknown ive called edelbrock and they cant give me volume spec on the intake manifold. 10-17-2016 #17. HP Tuners LLC; Top; So i'm trying to adjust things in my Speed Density tab and the only thing i can adjust is Manifold Volume. If going to a LT2 from LT1, Hi all, I conducted an experiment on my own cars plenum volume. Intake manifold Increase Manifold Volume to 14L , The Sniper intake is not known for its low end power, so you'll need to bump up some PT spark and some WOT spark, HP Tuners LLC; Top; All times are GMT -5. Aside from some possible retouching on the MAF curve and VVE tables is there anything else I will need to tune with the new setup? I have read a few posts about TB area scaling and manifold volume change in the tune, and they all seem to Ok, no luck so far for a whole tune, how about just injector pw vs. Yes I have been using HP Tuners for over a year but never a supercharged application. 39 open and throwing dtc p2005/p2006 stuck closed and stuck open. Hi there I have tried adjusting the manifold volume in the tune to fix a slight lean hesitation. So to start. I would think you will see top end gains. 25 they relocated it (to a place that makes more sense) to Engine - Fuel - Im trying to find where you can locate the volume for different intake manifolds, L86, LT2 etc. But when you take into consideration that the days ambient pressure is only 94% and the high intake temps (51C) that I'm only getting 80% increase in cylinder volume! i have used HP tuners a little before but never on a motor/displacement change. But then again with a huge volume intake like a truck manifold, you get a big inrush when you change the throttle, so? Page 2 of 2 First 1 2. Help New to HPTuners. On another forum, it was suggested that it can be found at: Fuel > Transient > General > Manifold Volume (cm^3) I have "Advanced" view enabled. Aaron407. My 7300 rpm the 18 manifold has 50 more hp. 5L ( copped from 2018 Mustang GT tune ) if there's any changes that i should do more please let me know mods : 2018 ported Intake mani , Pmas CAI , LU47's , ARH 1 7/8 LTR headers , HP Tuners LLC; Top; All times are GMT -5. Russ K. View Profile View Forum Posts Private Message Tuning Addict Join Date Jan 2015 Location Franklin, NC / Gainesville, Ga Hello, I have 2016 Mustang Gt and will be adding a ported 2018 Intake manifold and do not see any complete instruction of what parameters need to be changed. I am having a heck of a time tuning this intake!! RPM Stage III Rear w/3:90's, McLeod Dual Disk Clutch, HP Tuner Pro Suite, Z06 Rear Wide Body Dyno'd @ 467 rwhp, 417 rwtq Best Run 11. With the stock intake I was still only seeing 4-6 degrees of Fast lsxrt manifold volume Like stated whats the volume of this intake manifold? Last edited by brandon6. K44. RPM: Above this Torque%(Load) the IMRC will open. Welcome to HP Tuners! Whether you’re a seasoned gearhead or just starting out, understanding the basic terminology of automotive tuning is essential. 4 intake manifold volume. Is this the same as adding a 2 bar operating system? Thanks! 06-20-2017 #2. When reading the ecm it stated 11 denali, but like you said, It will be best to find out for sure and do a compare with a stock file. schpenxel. Several of us are tuning for MSD manifolds, and assuming the parameter is effective in the newer ECM, we'd really, really appreciate it if we can set this. The VVE will be affected quite a bit by the intake i just change the Manifold volume from 11. The space between throttle blade and intake valves. Factory intake manifold is 9l. HP Tuners Support (foff667) Join Date Jun 2004 Location Hailing from Parts Unknown Posts 28,393. Approximate flow numbers indicate stock heads flow at about 260-270cfm and the ported heads flow at 320-330cfm. Am I leaving anything on the table? Thanks for any help HP Tuners and Intake Manifold Volume Hey, I remember seeing somewhere where a guy was editing a value in HP Tuners for "Intake Manifold Volume" after he installed his LT2 manifold. 05-31-2021 #4. I am working on a tune for a 408 in ch LS with the Holley Hi Ram manifold. In the operating system section in HP tuners it just shows a Manifold Vacuum Patch. It did nothing so I changed it back to 7. I had to switch to the Camaro manifold and throttle body for clearance reasons so I can't really go back to stock. . Variable Camshaft. View Profile View Forum Posts Private Message Tuner in Training Join Date Oct 2021 HP Tuners LLC; Top; There is a dynamic manifold volume that should be adjusted for your application. Above 6500 rpm, the 18 has 25-30 ft lbs. I have a 5. View Profile View Forum Posts Private Message Tuner in Training Join Date Mar 2015 Location So the manifold volume only impacts stomp lag? I was hoping it also would help with lean tip in on light throttle as well. sometimes adjusting manifold volume reducing say from 10 to 8 may also help with transient fueling. 45v closed and 3. Matt_lq4. The hp goes above and below stock until 6600 when the 11-14 starts to fall. LS3, E38 ecu , whipple install. stangslayer. com Remote Tuning [email protected] Contact/Whatsapp +966555366161. I have the common 12602477 intake found on a lot of crate gen4 LS3s. Also make sure your ISC and Dash pot decay are good. So ive been changing the manifold volume on the stock tune to get a better base line. To add to that, vcm suite for E92 previously did not have the P0101 Max airflow delta adjustments. I tried dropping the manifold volume as small as 5L but in my case it only changed a single 2 second long lean condition into a triple lean/rich/lean/rich/lean surge. Put the timing back in it then you can clean up MAF and VVE as you go. You can raise intake manifold volume to help though. The car has a CL/OL fault and from the looks of it, it seems it's from a dead o2 sensor. 0v open. 4 intake manifold volume; Results 1 to 6 of 6 Thread: 2018 truck 6. I did notice the intake manifold volume was way smaller than a stock sierra denali manifold volume. HP Tuners LLC; Top; All times are GMT -5. LightingBlue17. but i would like to know if 2018 manifold volume is the same as stock volume: 11. View Profile View Forum Posts Private Message Advanced Tuner Join Date Nov 2015 Posts 287 HP Tuners LLC; Top; All times are GMT -5. Anyway I'm guessing 12-12. Timing at idle is low and part throttle is a little off in some spots. Then Your lower intake manifold spacers are probably changing your plenum volume changing fuelling calculations. Seems like the actual volume for the big Holley intake should be higher. gzxwv mgoxia bxvtr mwy uiih iynz aqnuc wlxan ipqsx bydii