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Discussion Starter · #1 ·
Greetings all,
I was wondering if you can make a sm420 toploader 4spd into a three on the tree?
reverse on its own....
Or are there any 3 spds with 7.1 1st? and good freeway running at 70? ish...
Any combo's

possible 66 fleet swb
283/327ci
3.36 rear end

Feel free to ask any questions.....

Thanks,
Steven
 

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Greetings all,
I was wondering if you can make a sm420 toploader 4spd into a three on the tree?
reverse on its own....
Or are there any 3 spds with 7.1 1st? and good freeway running at 70? ish...
Any combo's

possible 66 fleet swb
283/327ci
3.36 rear end

Feel free to ask any questions.....

Thanks,
Steven
No, but you can use a Saginaw four speed, find the saginaw overdrive usually bolted the older three speeds trannys and mount it to your four speed, then you would essentially have eight speeds or you can split shifts...
 
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