Thread: saginaw to m20???

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I have used many M20's & M21's and saginaw 4sp's. The only time I had problem was when I has a 454 450hp in my '67 Camaro/4sp with a V-gate shifter and a 12 bolt posi & slapper bars. I twisted 2 M20's in half thur the the main case, I replaced it with a saginaw with V-Gate shifter and never broke another one.
I did a lot of street racing then.
I know many will say that a saginaw is not strong enough, But I have a saginaw 4sp with another V-Gate shifter for behind my 392 Hemi and 2 spares incase I pop one. If you google saginaw you'll find how to ID the stronger one, they have 1, 2 or 3 grooves around the input shaft. Mine are the stronger ones, which I believe is the 3 groove. All my info is locked in my other computer which won't boot up! , and my tranny's are still buried in my shop from moving. I like both.

Oh, wait, I did break the M20 in my '65 Impala with a stock 396, 4sp, posi. (Heavy car)

With your rear mounts being on you belhousing, it is stronger, and you won't have the chance of breaking your belhousing.

Good luck which ever way you go.

My .02 worth!

Pat