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uh-hmm you will see more than 25psi at 7500 with a 3.12. Ben Dorn has that pulley setup on his car with a T-trim and sees 26psi with it below 7500. I'd say the 3.33!

Chad
 

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Discussion Starter · #4 ·
Are you sure Ben has that setup?Ya know,he has been accused of saying things are bigger than they really are..:) Hell he probably has a 2.60 pulley on his.

Thanks,I guess I'll try the 3.33 first.

How is your ride doing?
Tim
 

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I use a 3.15" pulley on my JT. But I am only using the stock crank pulley. I get 17psi @ 7500 and 20psi @ 8000. I also run an 8-rib and dont have any visible signs of major belt slip.

I am curious how much boost increase the overdrive crank pulley gives.

Dave
 

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Yes it should, hehe, I just happened to know he has a JT- trim Vortech!:D

Chad
 
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