Laycock overdrive for sale. 00 £ | Codd bottles laycock: 10. Note. One theory is that the oil, at higher operating temperatures, becomes too thin to re-engage. Part 1: Background and general idea. Go to the Ford Barn and do a search. Does anybody have any information on the Laycock OD (Volvo) installed in a 35-40 ford? It looks like a nice setup. We have over 50 years of industry experience. S. A surcharge of £300. OVERDRIVES. Just I know that the late model race version of the gear vendors overdive is rated to 2500 Hp. 496 , 10. Many of the Healey folks swear by Redline MT90 oil which helped not just the OD but shifting smoothness in Overdrive Types. It is actuated by a solenoid. Cannot have been more tha a handful of these made. derosnopS. When the new gearboxes m30, m31, m40 and m41 were introduced with the 1961 Jan 1, 2021 · 04-21-2021, 06:51 AM. The overdrive should not disengage unless the throttle is open, and this prevents it disengaging while decelerating and jarring the drivetrain. The Laycock de Normanville overdrive operates on 3rd and 4th gear and gives you around 25mph per 1,000rpm in overdrive top. If all you want is a 5th gear for cruising, it's an excellent choice. or call 01522 568000 / 1-855-746-2767. With the top up driving around 60 to 70 mph, OD engaged, I’m hearing a fairly high pitched noise while accelerating. Overdrive (mechanics) An overdrive is sometimes a separate unit that fits into the back of a gearbox, as with this Fairey unit. These are made for the 4 synchro overdrive gearbox used from 1968 to 1974 MGB's which are 1280 TPM with the black label identification plate. Suit Harley Davidson 5 speed Evolution and Twin Cam models 86 - 06 . Hope for 650+TQ numbers. $1,799. Overdrives were manufactured by Warn, Husky and Dualmatic. Top Rated Seller Top Rated Seller. $450. john@quantumechanics. from United States. I already bought two overdrives, one Laycock P-type, and the other a Laycock P/J-type. £49,995. Energise the solenoid as already described, and put a 3/16" (4. com. co. We offer a quiet, easy shifting experience with our dependable unit, guaranteed to make your driving experience a pleasure! For the Model A’s, the installation kit includes new Jan 26, 2018 · Edgar de Normanville was the Brit responsible for inventing the Overdrive gearbox that became so prevalent amongst many of the iconic classic cars of the 1950s and 1960s. IMO the J-type is stronger, more rugged and easier to service. May 6, 2014 · CONCLUSION. Slacken off the clamping bolt (A) in the solenoid lever. Also known a Laycock de Normanville overdrives. Price includes a $800. When coupled with a 27% Laycock, or 26% Mitchell driveshaft overdrive unit (or 36% Mitchell OD unit with a 4. Thanks (0) Quote Reply Topic: T-150 Laycock overdrive J-type separation. Dec 3, 2017 · Volvo/Laycock Overdrive Model-A. Street/Strip truck. About Us. Both of these are A-Types. com Oct 13, 2011 · Lets talk OD units (GearVendors, US Gear, Laycock P-type) Lets get right to it. Melbourne North, VIC: Phone: 03 9509 4456. These boxes had a different mounting Dec 8, 2006 · Received 1,690 Likes on 1,382 Posts. 2 million of those Laycock overdrives were installed on Volvo station wagons of all things in 1970's & 80's. Part number 37H1942. The most common hydraulic fault is an oil pump that is stuck. WARNING: May contain chemicals that may cause cancer or reproductive harm. adapter plate to go with it. Be sure to visit www. transmission. Gearbox Mount 1968-80 MGB 1968-80. +C $53. We have a great online selection at the lowest prices with Fast & Free shipping on many items! We supply a full and comprehensive parts list for all Laycock de-Normanville overdrive units. Aug 17, 2004. 30 Jun 15, 2020 · How I exploded my D-type Overdrive: https://youtu. Driveshaft MGB 1962-80. Free returns. Product Enquiry. 73) Find fresh ads in Auto Parts Sale in Bozeman, MT. *$15. 5 diffs as it makes motorway driving that little bit better. Torque capacity is unknown by me still. Qty. Laycock J Type Overdrive Sump Gasket NKC76 Triumph New old stock original Laycock overdrive sump gasket NKC76 . $3,450. Up for sale is a Volvo M41 manual transmission. Additional Information. If you require just the "sump" Gasket for this unit please see our item # NKC86. Laycock for sale Vintage green glass: 9. Location: HW-83. Interested and PM’d you with my info. Get the best deals for Laycock Overdrive Parts at eBay. Note the mesh Filter for the Laycock Over Drive unit is our item # NKC23. I believe the stronger P-Type came in 700/900 series turbo cars. Opens in a new window or tab. Over the years, two common types of aftermarket overdrives could be added to the Jeep Universal vehicles. About 3 million before Gear Vendors took over in 2008. "It's amazing how many different kinds there were," he continues. Dave will give you honest answers to any overdrive question you may have. With over 42 years in business, our team are here to help you rebuild, restore, and maintain your car. Once you have experienced the joy of an overdrive, you will want one, too! Expect to pay $1200 for a guaranteed, rebuilt overdrive gearbox; or nearly $2000 to have one fitted to your MGB. Oct 2, 2017 · Offline. com is not directly involved in the sale of any vehicle, part or accessory. 4 % RPM drop at 100 KPH. Mine looks pretty flat, but I'll give it a closer inspection to make certain. Alternate 698-150. Our transmissions are made in America, forged of only the finest alloys available, and built with precision workmanship. We can offer these units outright too on payment of the appropriate none refundable deposit. SOLD Thanks to the Barn I purchased this from a guy on the barn for this exact price back in 2015. It operates in two modes, the direct dive mode where there is Sep 23, 2018 · John rebuilds all styles of Laycock overdrive, including the A-, D-, J-, LH- and T-types, all of which were used at different points in Austin-Healeys, Jaguars, Lotuses, M. Oct 2, 2017. Laycock Products manufactured the units; hence the name and they consisted of a planetary gear set in a bolt on unit between the main manual gearbox and driveshaft. C $167. All the parts except for the output shaft are interchangeable with the non-overdrive transmissions. Aug 16, 2004 · Offline. which I understand is in the 85-95 viscosity range. black-forest-oldtimers (426) 100%. 1968-1974 (including some late 1967) MGBs with Sep 23, 2018 · Laycock Engineering Co. www. Availability: 04/08/2024. Body style. Posts: 73. 06. 00 is a bad price for one. THE MITCHELL MODEL-A OVERDRIVE/UNDERDRIVE. My problem now is that after prolonged driving there is routinely a delay in re-engaging the overdrive once disengaged. Visit Kijiji Classifieds to buy, sell, or trade almost anything! Find new and used items, cars, real estate, jobs, services, vacation rentals and more virtually in Canada. Volvo 240 M46 Laycock Overdrive Unit J Type Used 244 242 245 Over Drive Triumph. classicmuscleparts (10,820) 99. Rating. His pricing is very competitive and he won't steer you wrong. Vance. - Product - - Transmission 3 Speed MITCHELL OVERDRIVES WEB-KIT-0711. concourshealeys. 5. The financially troubled firm was purchased by the local Thomas W. 00 £ Original laycock overdrive SALISBURY. Jan 10, 2021 · P1800ForSale. EUR 125. The answer was a two-speed epicyclic gearbox attached to the rear of a car's normal gearbox, providing a continuation of the direct drive line when all three elements of the gear set (sun gear, planetary pinions, and annulus or ring gear) were locked together by the hydraulically operated cone clutch, or a Prices subject to change without notice, please call and experience our personal service! Find great deals on eBay for laycock j type overdrive. 90. Pre-Owned. The Laycock-de Normanville Overdrive. 00 Shipping in USA. Jun 15, 2021 · Firstly Healey 3000 without overdrive were fitted with 3. Many of the Healey folks swear by Redline MT90 oil which helped not just the OD but shifting smoothness Still has its dataplate and other data tags. A number of years ago I acquired a disassembled. 55 shipping. (EXCHANGE) 4 SYNCHRO O/D. Aug 16, 2004 · Aug 17, 2004. Captain Edgar Joseph de Normanville invented the epicyclic overdrive manufactured by Laycock Engineering of Sheffield, hence the Gearbox (4-synchro) 1968-80 MGB 1968-80. Buy It Now +$153. and most type overdrives. The gears look perfect. $385. He's most likely the best source for parts in the world. To use with an non-overdrive transmission, an adapter Oct 7, 2005 · Laycock Overdrive Identification. Early Type D Overdrive 1962-67 MGB 1962-67. We used this Laycock Overdrive from Maximum Overdrive in our Class 7 off-road truck to get a competitive edge on our fellow racers. Mileage (read) 1 mls. Go to google and put in "Laycock Engineering" or "Laycock overdrive". The We would like to show you a description here but the site won’t allow us. We endeavor to provide accurate specifications and Oct 3, 2023 · Location: Denmark, Northern Europe. Filled it with SAE 30 non-detergent oil and ran it on the road for about 1000 miles. 00 will be charged in addition to the unit cost if it is supplied in advance. But the A-type is more sporty, IMO. s, Minis, Morgans, Rovers, Triumphs, English Fords and other cars. transmission in it. A plate warns to only engage the unit in third and fourth gears. Jun 30, 2017 · The designations of A and D were for early overdrives. 78:1 overdrive ratio, taking its operating principles from the LayCock/DNormanville overdrive. 505 Wheeler Road. Showing 1–16 of 112 results. Invented by Edgar de Normanville, and manufactured by automotive supplier Laycock Products, the unit basically consisted of a solenoid-activated planetary gearset residing between the standard manual transmission and driveshaft, offering a reduction in gear ratio at the driver’s command. Once I let off the accelerator pedal, the noise goes away. Jun 7, 2014 · Offline. It is quite similar to the J-type and is used in some heavy duty applications, like racing. Sponsored. Laycock Systems, has a proud history of manufacturing high quality tools for the electric motor rewind and repair businesses world wide. 36fordguy said: ↑. Sydney, NSW: Phone: 02 9896 6811. For civilian jeeps and other 4-wheel drive vehicles, the most common aftermarket overdrive type is the overdrive. YN 71 SM cast into it. Power (kW/hp) 110 / 150. + EUR 20. Pre-owned | Business. Adding an OD will add about $1000 to the value of your car, so it is a better investment than adding a 5 speed which will add nothing to the value of the car. £ 399. Overdrive. (1) MGB 1968 ON GEARBOX RECON. Other sized options and models available. be/ejm2j5Fo8Fg This video is a quick reference in some of the differences between the D-type and J-type Lay Transmission & Drivetrain for Sale Mopar 1960's dodge coronet plymouth belvedere push button transmission cable (US $24. Rovernut, Most overdrive troubles are in the adjustments unless somthing is badly worn. Embarking on a Laycock-overdrive odyssey. entered the automotive industry in the late 1920s, making garage and car wash equipment, "Lodemore" industrial trucks as well as automobile transmissions and axles. For further details please contact arthur@ronart. (MK2) 2013 FACTORY BUILT TO A HIGH STANDARD Less than 1000 miles, one owner. 00 inc VAT. Unlike a regular automatic transmission, which works on relatively large volumes of low-pressure oil in the order of 50 or 60 psi, the Laycock unit operates on a very small volume of extremely high pressure oil at 400-500 psi. Top Rated Seller. Below is a link to his contact page. 99) Nos gm 1968 -77 oem 8629503 transmission solenoid valve connector corvette vette (US $19. Comes with separate, refurbished interior trim pieces (not completely installed). (My brother had one, and it had some issues) It also appears that the Gear Vendors unit is, in fact, an updated Laycock design. Call Rich Little at 661-809-3451. Free Local Classifieds . Triumph Spitfire MKIV & 1500 74-80. Overdrive is an electrically controlled unit used for cruising at sustained speed with reduced engine revolutions per minute which leads to better fuel consumption, lower noise and lower wear. Snyder's Antique Auto Parts manufactures and distributes vintage Ford parts for Model A and Model T vehicles. The function of the OD is to change the overall reduction ratio between the engine and rear wheels. Most Items In Stock! MGB Overdrive ⚑ Fast delivery worldwide Payment options including PayPal ⛽ British car experts ♚ 01522 568000 ☎ 1-855-746-2767. These transmissions are a great way to put overdrive in an older Volvo. Speak To An Expert. collected over the years. MGB GT or Roadster Overdrive Filter. Synchronized 2nd and 3rd gears. Triumph TR6 overdrive Laycock model A, 502558 inner member BAU2061, NOS. We have the largest stock of original, obsolete Laycock parts in the world and re-manufacture all consumable parts. 9/1 diff . The gearbox extension/third motion shaft/tail shaft housing is the same as far as I know for all late TR-4/TR-5/TR-250/TR-6 non-OD transmissions. or Best Offer Sep 23, 2018 · Laycock Engineering Co. New D-18 25% Overdrive New D-18 30% Overdrive. overdrive wasn't turning on decided to tear apart the transmission and put in a new clutch. Austin Healey MG Triumph Laycock Overdrive Transmission Adapter Plate YN71 SM #2. #2. Product Code: NKC41. From Wikipedia: "The J-type overdrive was introduced in the late 1960s, and was adapted to fit Volvo, Triumph, Vauxhall/Opel, American Motors and Chrysler motorcars, and Ford Transit vans. POST AD FREE. However I can't seem to figure out how to separate the transmission from the overdrive. It appears the J model was put in Volvos with 4 cylinder engines. These can be identified as having the black identification plate. This is for my 1975 AMC Pacer straight 6 3 speed with Overdrive. This kit contains the overdrive filter, the “o”ring set and solinoid gasket. britishcarpartscompany (1,905) 100%. Posted: Feb/10/2020 at 6:43pm. New (Other) C $200. RONART W152 V12. Tim is correct. 00, Categories: Automotive - Parts & Accessories - Manuals & Literature - Car & Truck Manuals - Other Car Manuals MGB LH Type Overdrive Assembly - 4 Cylinder 4 Synchro and V8. 11:1 axle), this Mitchell transmission approaches the "Goldilocks" 3+1 OD RTS transmission solution for both low speed and high speed drivability, though without an internal transmission overdrive gear. company, which dated back to 1878 and had interests in scrap metal, foundries Reseal kit with cone clutch, Will fit All P type Laycock overdrives. A. I mentioned early Jag boxes because old Mk7 and 9 seemed to be the most plentiful. Engagement is instantaneous and 2nd OD is an almost perfect split between 2nd direct & 3rd direct. Jun 7, 2014. Ward Ltd. Overdrive in Volvo Amazon is similar to the fifth gear it really isn’t. Paul is correct about the mount. Fopar has one in the dragster. 00. Overdrive is the operation of an automobile cruising at sustained speed with reduced engine speed (rpm), leading to better fuel consumption, lower noise Oct 19, 2012 · MGB MGB Laycock Type D overdrive 3 syncro: MG: 8: May 3, 2007: S: For Sale 3000 BJ8 Laycock 4 speed with 22% OD trans & 2 6 cyln engines / long blocks / BUNDLE: Austin Healey Classifieds: 1: Jul 6, 2020: H: TR2/3/3A Manual for the Laycock de Normanville Overdrive Unit: Triumph: 14: Aug 7, 2014: Indirect interest xpost: Laycock moved to El Cajon Feb 28, 2022 · Really my pride, this Life long Desert E (having spent its entire life in Vegas and Phoenix…with documentation) It could be the most rust free of all. or Best Offer LAYCOCK OVERDRIVE Jensen 541, Magazine Advert 1956 British Motor Show, Cars. We offer a full re-conditioning service on either your unit or on an exchange basis. In overdrive – overdrive freewheels on deceleration: In this condition, the MGB will We can supply the full range of A, D & J type Laycock overdrives. G. eBay There is no cover plate on the Vanguard or Renown. Rich is the expert on the Volvo OD Model A conversion. Laycocks had been winding down their repair and service work, and this presented Joe with the opportunity to purchase much of their equipment and spares. 1%. bwtrading2015 (3,122) 100%. May 13, 2018 · If you really want to get good parts for any laycock overdrive contact Dave Twigger in the Uk. Prices are between £590 and £760 depending on type and specification and whether a solenoid is fitted Description. This read-only message was archived from a public mail list. The suffix letters "CR" indicate that it is a close ratio transmission. In Aus we are all looking for 3. Find mgb overdrive in All Categories in Canada. Jul 28, 2007 · General TR Type A Laycock Overdrive Questions: Triumph: 8: Sep 30, 2018: M: Laycock Type A: Triumph: 8: Oct 19, 2012: MGB MGB Laycock Type D overdrive 3 syncro: MG: 8: May 3, 2007: S: For Sale 3000 BJ8 Laycock 4 speed with 22% OD trans & 2 6 cyln engines / long blocks / BUNDLE: Austin Healey Classifieds: 1: Jul 6, 2020: H: TR2/3/3A Manual for Give us a call to get on the list. C $13. 5/1 differential but when OD fitted by the factory they used a 3. He built mine and it has been in my A for about 8 years. 5:1 compression, Aluminum Rect Port heads, . DAM1362E - OVERDRIVE - RECON LH TYPE - 75 ON. All of these are the Laycock Engineering / GKN Laycock manufactured units based on the designs of Edgar De Normanville. A pair of small snap-ring pliers will allow you to remove the ring that holds the piston in place in the overdrive solenoid, but as you Mar 5, 2024 · Professionally Remanufactured Laycock LH Type Overdrive Unit for 1968-1974 MGBs. We do not sell overdrives direct on-line as we need to check the unit you wish to buy is right and correct for your car - please get in touch by using the contact button below. Triumph TR6 74-76. ) diameter pin through the hole in the valve setting lever into the hole in the casing. Overdrive is a wonderful option! It reduces engine wear, reduces noise, and increases mileage. They are made by Laycock de Normanville, just as the those found on Triumphs are. May 23, 2019 · Last year, I rebuilt an early 1970’s TR6 transmission with a J-type overdrive. New quality American made Andrews 34 tooth overdrive transmission pulley gives 6. Discounts for multiple items. This transmission will fit B16, B18 and B20 4-cylinder engines. Brand New. 8 watchers. In the on-going restoration of my 1931 Fordor I am currently looking into the possibility of adding a Laycock overdrive. quantumechanics. 650 lift hyd cam and a Turbo 400 Trans, 3200 converter. U. Order your Triumph TR6 J Type Overdrive Conversion Kit and Electrics ⛽ Low prices and fast, worldwide delivery British car experts ♚ Call ☎ 01522 568000 or ☎ 1-855-746-2767. DAM13262E - MGB 1975 ON - RECONDITIONED OVERDRIVE UNIT - EXCHANGE. Craigslist Classifieds Ad - Volvo P1800 Overdrive Transmission For Sale by Owner in Tucson, Arizona | Asking Price: $250. Mar 10, 2007 · Laycock is the name of the European manufacturer for these OD units. Select options. Complete with the Laycock DeNormanville overdrive unit. Has its original body tag showing the "A" "JLE" designation for Laycock de Normanville overdrive transmission, and the "DN" designation for its original Special Equipment from the factory. Mar 26, 2010 · The Gear Vendor is a self-contained, two-speed, auxiliary transmission with direct drive and a . I love my overdrive, and highly recommend one. 00*. It reduces the overall gearing by 20% on 3rd and 4th gears. 99 £ | Vauxhall service training: 7. 1980 Platinum Metallic TR8, frame off restoration, complete. 203-459-9612. When we supply a 'J' type overdrive on the back of a gearbox for fitment to a TR2 to TR6 CC/CP chassis, an Overview: The A type overdrive (OD) unit described here was manufactured by Laycock-de-Normanville and was a factory option on the TR2, TR3, TR4, TR5/250 and TR6 Triumphs through 1972. Melbourne South, VIC: Phone: 03 8738 2190 Jul 6, 2018 · The Laycock de Normanville Overdrive. Please hit the subscribe button to find our other videos more easily when you 03a. In overdrive – overdrive does not work: Open the bottom of the overdrive unit and clean all the parts – the solenoid, piston, ball, and housing; the oil pressure relief valve; and the oil pump. Views: 4909. 1968-74, 22/61972. 56. Central Coast, NSW: Phone: 02 4353 4712. 466-000. Please contact us for more information. Buy d type overdrive products and get the best deals at the lowest prices on eBay! Great Savings & Free Delivery / Collection on many items Browse Original Triumph Catalogue Plates. This fits the 4 syncro laycock overdrives from 1968-1980. C $16. Triumph Spitfire Laycock "J" type overdrive unit to gearbox gasket 106437. The change in the mount at the rear of the transmission for the later TR-6 cars was to accommodate the J Type overdrive. 61. 1968 Triumph TR5 PI. company, which dated back to 1878 and had interests in scrap metal, foundries LAYCOCK OVERDRIVE Jensen 541, Magazine Advert 1956 British Motor Show, Cars. Buy Triumph TR2 / TR3 TR3A Laycock Overdrive Transmission Adapter Plate YN71 SM. 🇬🇧. We finish disassembling the D-type overdrive out of our Mk I Triumph Spitfire. 00, including shipping, but I don't think $212. The overdrive shift is always controlled by hydraulic pressure. The reduced engine rpm improves fuel (and oil) consumption, reduces noise and places less demand on the Sep 24, 2018 · Quantum Mechanics. popularmechanix (990) 99%. He cuts the torque tube and drive shaft, manufactures the bracing, and supplies the reverse cut-out and actuating switch. Product Name: Late Type LH Overdrive 1968-80. In fact, if you just depress the clutch and flip the OD switch off, the overdrive should not disengage until you begin accelerating. Filter housing / sump gasket. For Sale: LAYCOCK NORMANVILLE OVERDRIVE SERVICE MANUAL w/ Electric Controls Repair, Condition: New, Price: $21. from Germany. There are three tools you'll need to do the job correctly. J-type is the most common version and was used up through the 80's. OVERDRIVE UNIT, rebuilt/exchange. Feb 16, 2017 · Not a big deal, but you should check into it. And I have installed a Jaguar Laycock Manuel Overdrive Compact A Transmission (yes, spent a lot of money…including having John @ Quantum rebuild the laycock). Joe’s son Paul joined his father, along with Peter Eggington (a former MGB Gearbox & Overdrive. I am building a 1988 Chevy 1/2 Short bed. Triumph Stag, Spitfire, TR6, MGB, MGC Laycock J Type overdrive oil seal NKC39, Opens in a new window or tab. C $547. We also manufacture winding machines, growlers, winding heads and a variety of other tools for the electric motor industry. Overdrive Electrical Components MGB 1962-80. Aug 14, 2012 · I have an A-type in the TR3, J-type in both Stags. 3 litre 12 cylinder,weber carbs, manual gearbox plus overdrive, grey leather interior with piping, oil cooler, painted in ferrari red. "You would think that since they stuck Apr 7, 2012 · Overdrive disassembly and reassembly instructional video, by Boras Motor Corporation AB. 00 core charge which will be refunded upon receipt of rebuildable core. or Best Offer. 99 postage. New listings: Extension Towing Mirrors $30, Advance Adapters NV4500 $3 000. Please note : This item is supplied on an exchange basis. Nov 11, 2011 · I got it for $150. . 1962-1967 MGBs with a 3 main synchro gearbox used a “D-Type” Laycock overdrive. 7625 mm. Tools required. Monroe, Connecticut 06468-3232. Laycock de Normanville Overdrive Check & Service for electrical circuits. As previously mentioned. uk (ad 3951) 2024 - FOR SALE - Ronart W152 V12. C $20. Overdrive is an additional 'epicyclic' gearbox bolted at the back of the normal gearbox (necessitating a shorter propshaft). Buy It Now. Revington TR offer a reconditioning service for overdrive units both 'A' type and 'J' type. 00 EA. Convertible. 1968-1974 (including some late 1967) MGBs with Volvo J-type Laycock Overdrive LM22 115240 DTS 115314 2LA 27% Ratio. There is the P-Type and J-Type Laycock overdrive in Volvos. We would like to show you a description here but the site won’t allow us. I then started using their overdrive oil (Castrol GL4). Application. Ideal Winding Station Layout. 3 Product (s) Sold. For me, this is one of the must-haves particularly if you use the car for touring and use motorways. If it is not an adjustment, than perhaps an acumulator o-ring or as you elude to the safety switch to keep it out of overdrive. Nov 12, 2022 · Overdrive options for an MGB fall into 3 types. Shop with confidence. #3. Marked numbers are JLS41492CR, which according to the jaguar archives is correct fitment to the Jaguar XK 150S sports cars. This is refundable on return of an old unit in serviceable condition. Part #. Check out our other items for sale, free Aus wide postage on orders over $100 . In 1986, Joe Winter formed Overdrive Repair Services, after a long spell as a Laycock Engineering employee. . For A or D-Type overdrive see 508794. Jul 15, 2018 · Re: Volvo Laycock Overdrive DIY. 24. With this overdrive we could leave the transmission in third gear and when coming Nov 12, 2022 · Overdrive options for an MGB fall into 3 types. The final model is known as the P-type. 14. th cm vf jl uq om qa wp fz cf