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#61
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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.
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#62
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Re: Horsepower for 69Z 302 w/#140 cam
sluggish and hard to drive Paulie.
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#63
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Re: Horsepower for 69Z 302 w/#140 cam
Sam, what gear are you using in yours.
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69 Z28 Burgandy |
#64
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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. |
#65
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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.... & I drive the hell out of the car now without worrying about the original drive train. |
#66
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Re: Horsepower for 69Z 302 w/#140 cam
I currently have 3;73 w/M21, I may try an M20 before changing gears.
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69 Z28 Burgandy |
#67
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Re: Horsepower for 69Z 302 w/#140 cam
The M20 is better suited for hard pulls. The M21 is a road race trans.
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"Knowledge is good" Emil Fabor 67 L/78 Camaro SS/RS H-H,1W,2LGSR,3SL,4K,5BY. (Sold) 70 L/78 Nova M-21,Black Cherry,Sandalwood Int. 09 Pontiac G8 GT Premium,Sport,Roof. Liquid Red. |
#68
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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.
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