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Old 09-15-2004, 06:04 PM
maxpenguard1971 maxpenguard1971 is offline
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68 firebird tranny help..........

Hi guys,,,

i have a 68 firebird with the original 350 big block and a 2 speed powerglide which is also numbers matching....i find the bottom end in this car terrible....im seriously considering doing a tranny swap for either a turbo 350 tranny or a 400 tranny.....maybe with an aftermarket stall of some sort...the car has the stock 350 big block with 4 barrel and also posi rear end......so my questions are will i need to do much modification to swap to one of those trannys,which one will work better with a shift kit and stall the 350 or 400 tranny....any help would be appreciated....im not looking for anythining insane here just some better punch of the line....and is it normal that a powerglide sucks so bad i have heard that they are the choice tranny of drag racers...that just doesnt make sense to me....anyway thanks for the replys guys....
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1968 Pontiac Firebird
1972 Chevelle
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