Like to know how it went, I have a Buick V6 just begging me to have a home
in my 63.
THnx
Pat
"Ron St. John" wrote:
> John:
>
> After installing the aluminum block '66 Buick V-6 225' (3.7 L) engine in
> my '70 Mk III in 1980 I soon realized that the 4.11 rearend in the car
> would not work well. I searched all over for the answer to the problem
> back then, the old fashion way, by phone. My recollection is that I
> tracked down someone out east on a Triumph racing team who told me that
> a 3.27 ring and pinion gear set would only fit in a non-overdrive GT-6
> rearend. Thinking about it now that makes sense to me because the GT-6
> gear set is probably a lot more heavy duty to handle the additional
> torque.
>
> I purchased a non-overdrive GT-6 pumpkin with a broken 3.27 ring and
> pinon, and a new 3.27 ring and pinion. I traded my 4.11 rearend to the
> mechanic for installing the new ring and pinion into the non-overdrive
> GT-6 pumpkin I purchased. I became very good at pulling the rearend out
> of the car and re-installing it because it took 3 attempts before he got
> the gears shimed properly so there was no hum. Still have the rearend
> in the car and I've never experienced any of the problems that others
> have had with the Spit rearend when they've gone to more bhp. The Buick
> has approximately 170 bhp with its headers and dual exhaust.
>
> If you want longer legs the 3.27 is the way to go but you need the bhp
> too.
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