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Old 01-20-2016, 01:33 PM   #1
Rustyo61
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engine swap transmission question

61 with inline 6 and 3 speed swapping to 350 and wanting auto transmission. What works best and will the drive shaft have to be altered. Thanks for the help

Last edited by Rustyo61; 01-20-2016 at 01:52 PM. Reason: left out some info
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Old 01-20-2016, 01:40 PM   #2
Figuarus
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Re: engine swap transmission question

Not sure what you have in there now, but My brother and I swapped a th400 behind the 283 in my truck, and I don't remember modifying driveshaft.
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Old 01-20-2016, 01:50 PM   #3
Rustyo61
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Re: engine swap transmission question

It's a inline 6 and 3 speed now. So going 350 th350 or 700r4 maybe just not sure what's best.
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Old 01-20-2016, 02:21 PM   #4
Figuarus
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Re: engine swap transmission question

700r4 will give you overdrive, but will require a driveshaft mod.

I think the TH350 will go in without issues, but you get no overdrive, and third ratio is still 1/1, so no real improvement there beyond not having to shift the transmission
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