67-69 Firebird TECH Includes 69 TA.

          
 
 
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Old 04-28-2016, 08:01 PM
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68 Firebird 68 Firebird is online now
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Join Date: Apr 2001
Location: Colonia NJ USA
Posts: 994
Default Crank Pulley question

I am running the original 7.25" crank pulley on my firebird and was interested
I running the 8" crank pulley to speed up the pump and fan. I currently have
a 6" billet aluminum waterpump pulley so my ratio is at 120% now. Figure
more would be better with the 8" pulley.

Just seems to me in my car there would be minimal room for belt changes as the
pulley would be way close the the subframe. What are you guys running for a
crank pulley that is 2 groove.

Gerry

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1968 Firebird 400, 068 cam, TH400 & 13" Continental Converter, Auburn posi with 3:08 factory gears, Cliff's Q-jet resting on a 68 factory iron intake, GM HEI and Ram Air pans and RARE Long Branch Manifolds
 


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