Back in the Stone age, I had a 2.20 first gear M22 in my GTO. I realize that different engine like different things, but it seems like that gearing is really close. A T56 has a 2.66 first gear typically and a M21 had a 2.48 (as I recall).
Just something to think about.
Andrew
__________________
Instagram @dr__efi
I offer remote Holley EFI tuning.
I deliver what EFI promises.
Please get in touch if I can be of service.
My YouTube Channel
|