Re: Horsepower for 69Z 302 w/#140 cam
 

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: 67 Nova Boy</div><div class="ubbcode-body">4:56...the 4:10 are not enough!

Dave
67 Nova Boy </div></div>*** Some people have 3.73 gears in a 302 cu.in.

Re: Horsepower for 69Z 302 w/#140 cam
 

sluggish and hard to drive Paulie.

Re: Horsepower for 69Z 302 w/#140 cam
 

Sam, what gear are you using in yours.

Re: Horsepower for 69Z 302 w/#140 cam
 

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Plowman [/quote</div><div class="ubbcode-body">*** Some people have 3.73 gears in a 302 cu.in.</div></div>

With an M-20 trans the 3.73's would not be bad off the line, but with M-22 or 21, agree would be a sluggish combo.

Re: Horsepower for 69Z 302 w/#140 cam
 

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: COPO</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Plowman </div></div>*** Some people have 3.73 gears in a 302 cu.in.[/quote</div><div class="ubbcode-body">

With an M-20 trans the 3.73's would not be bad off the line, but with M-22 or 21, agree would be a sluggish combo. </div></div>

I agree... my 68Z has 3.73's and with the M21 it's not the ideal combination off the line. However, after refreshing the original engine I installed a nasty SBC from American Speed and a Tremec TKO. Problem solved.

The 302/M21 are safe and sound in my garage.... &amp; I drive the hell out of the car now without worrying about the original drive train.

Re: Horsepower for 69Z 302 w/#140 cam
 

I currently have 3;73 w/M21, I may try an M20 before changing gears.

Re: Horsepower for 69Z 302 w/#140 cam
 

The M20 is better suited for hard pulls. The M21 is a road race trans.

Re: Horsepower for 69Z 302 w/#140 cam
 

Originally my car came with 4.10's and an M21. I installed a set of 4.56's and put an M20 trans in. Felt like a different motor.