[Formulajones]

When these cars were new they came with a tiny tire most of the time barely measuring 26" tall. That helps tremendously getting away with a horrible effective gear ratio. People today, me included, install taller larger tires.
The problem with a stick shift is if you're already dealing with a lazy effective gear ratio like a 2.54 with 3.23's, it only gets worse with a taller tire.

Hence the suggestion to go 5 speed and even up the rear gear a smidge. With a 2.87 1st gear your low end problems go away and with a .68 overdrive you gain highway cruisability better than youve ever had before

[SD455DJ]

Quote: "I believe Cars magazine had a road test of a ’72 lemans GT with the L78 400, M-20 4-speed trans and a 3.55 Safety Track rear end and they got it down to 14.40’s at 99 mph in quarter mile tests. Now surely they could be exaggerated times, or a super-tuned example, who knows."

Here is the article from the SS&DI March 1972 issue...14.37 at 98.04 mph!

Dennis