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Old 04-23-2006, 03:59 AM   #1
usarmyoif3
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transmissions choices

ok i have a 71 stepside that i have torn down i cant make up my mind on transmission choice i plan on driving it only in the summer when its nice out. i plan on a 355 with 400 to 500 hp if i dont run out of money but i cant make up my mind on the transmission i already have two th350's i could rebuild i like the idea of doing that with a shift kit and stall and a ratchet shifter but i also really want a tremic tko 500 5 speed but i have heard they are around 1700 bucks for just the trans what other opinions do i have i really want a manual but what ever i get it has to be strong cause i like to drive them hard has anyone put a muncie 4 speed in one of these trucks where does the shifter come up at i can get one of them cheap but i dont know how well they would hold up to hard driving behind a 450 hp or so 355. what would you guys think would be the best way to go.
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Old 04-23-2006, 07:41 AM   #2
ed455
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Re: transmissions choices

I'm putting a th350 behind a 550-600 hp SB 434. They can be built to handle it fairly reasonably.
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Old 04-23-2006, 07:57 AM   #3
special-K
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Re: transmissions choices

WoW!I didn`t know you could carve that many cubes out of a SBC!!It`s the o/d trannies that have a hard time with horsepower.The tryed`n`true TH350,TH400,and Muncie M20-22s can take it.
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Old 04-24-2006, 04:25 AM   #4
usarmyoif3
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Re: transmissions choices

anyone have a muncie in there trucks im just wondering where the shifter comes up at and what kind of shifters do you have.
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Old 04-24-2006, 05:37 PM   #5
Karl Hoh
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Re: transmissions choices

I had a 68 that I swapped in a M21. Needed bucket seats cuz the shifter came up just behind my knee. Make sure you get a killer valve body if you go A/T. We swisscheesed a T350 for my buddy's 71 camero drag car. Car ran slower than the almost stock T400 with a killer valve body.
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