Transmission Swaps Modifications Created By Russ Martin at Nail.Head. Buick. com.There are several transmission choices for the Nailhead engines, I will start with the easiest to use.The 6. 4 6. 5 6. ST4.They have a round shaped bell housing unlike other GM transmissions.This trans is super strong and the 6.The stall is changed in the convertor with an electric solenoid so you can change the stall speed RPM will raise gearing the trans down with a flip of a switch1957 Buick Special 2Door Riviera Hardtop Rare Model 46R pillarless, 3piece rear window version, 364 Nailhead engine and Dynaflow automatic transmission, nice.Main index of materials on The Old Car Manual Project.Original images c Dusan RisticPetrovic.The Powerglide is a twospeed automatic transmission designed by General Motors.It was available primarily on Chevrolet from January 1950 through 1973, although some.I like using the smaller 6.ST3. 00 convertor in lighter cars for even a higher stall RPM.I have a picture of a wiring diagram posted to wire for best performance.You dont have to wire to your brake light switch as in my diagram but helps when using a larger camshaft for a better idle.THE SWITCH PITCH AND STANDARD CONVERTORS AND FRONT PUMPS ARE DIFFERENT so dont mix them up.The 6. 4 is better than the Dynaflow but not as a good as the 6.ST4. 00 available in 6.BOP pattern and will not bolt to the Nailhead.The 6. 4 trans case and valve body are one year only so no shift kits are available and the convertor is the standard GM type.This trans can be identified by the single wire connecter switch pitch has two at the rear and a weld on shift lever the 6.The 6. 4 also is lacking in controlling down shifts, it shift 3 times but only has a low and drive.Buick Dynaflow Transmission Repair Manual' title='Buick Dynaflow Transmission Repair Manual' />If you want to hold it in each gear you start off in L, wind it up and shift to D, that puts it in second gear, now pull it back into L and that holds it in second, wind it up again and shift to D and you are in third.Here is the part I dont like, say you are driving in the mountains, the turns are tighter and slower, you drop in down to L holding it in second gear, then you have to slow down to about 2.D to put it back in second and back to low to hold it there.WHEW I drove a 6.Riviera everyday for 1.I know. A customer gave me a solution for this problem, add a toggle switch inside the car that powers the kick down switch and it will hold the trans in gear OK, now you want to know if the 6.Nailheads right you can bolt this trans on to all Nailheads from 5.ALL Buicks are externally balanced and different flexplate balanced to the 3.The 5. 7 6. 3 starters yes 4 different ones used have a 12 longer snout for the Dynaflow so the starter from the 6.The 5. 7 6. 0 3. NEW OPTION, we now have starter spacers so you can keep your original 5.Best trans option is the 4l.E overdrive, bolt on bell housing, clean looks and function, uses 5.Dynaflow flywheel cover or repro GS covers we sell.For all 3. 64 4. Clears floor of the car, no need to modify the floor for clearance like the other adapters that mount the trans 4 further back from stock.NO crank spacers and ALL mounting bolts used.This setup looks like the Buick factory made it and less money We also have adapters to mount other Chevy automatics behind the Nailhead.BEWARE of companies selling UNBALANCED flex plates and flywheels for less money, you will have to pay as much as 1.The 5. 3 5. 6 2. We sell an adapter for the Chevy 3.R4 2. 00. 4R and it is possible to adapt a Ford C 4 with a flat o matic adapter bolted to a flathead Ford trans adapter.A custom convertor will have to be built but it is a very neat and tight package when it is done and looks like like it was made for it.Manual Transmissions.Buicks have more low end torque than most engines.The fastest Nailheads I have driven were the 6.Gran Sports. There were a special Ford Top Loader that GM used the GS, GTO and 4.It was called the Dearborn 3 Speed.The gears had perfect spacing for the torque output.The T1. 0 close ratio 4 speed was the WORST transmission to use and that was what was put in the Wildcats and Gran Sports.With a 2. 2. 0 low gear it needed 3.Gran Sports came with a 3.Here are a couple of wide radio transmissions that are strong and makes a more enjoyable driving car. Adobe Flash Player Torrent Download Tpb Torrent . Firebird or Camaro Super T 1.You could use a 2.Mid to late 7. 0s Ford 3 speed with overdrive, there were basically a 4 speed top loader, when shifted into 4th it went into the 3rd gear position and a overdrive gear.The front 3 4 lever points down making them easy to spot.Their nick name is the IMPOSTER.Small block guys hate them and that makes them affordable.If you want to know what rear end gear you can use with a manual trans just multiply the rear end gear with the trans low gear.You want around 9 to 1 so say you have a 3.Flywheels Flexplates, Flywheel Covers You can call us at 5.You can use the SEARCH function at the top of any page to find an item.All shipping prices listed are for the lower 4.USA. We do ship parts to Canada, most of Europe, New Zealand, and Australia.You may notice that most used parts are not priced because our used parts inventory changes daily.Please contact us for current prices and availability of the part you need.We also have many parts that are not listed in this website, so if you dont see what you need please ask.
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