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Only if ya spend a bunch of $$$ to have bigger valves in the head and have alot of bowl work done.
 

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com awwwn crash. its good for some gain but not much noticable. back in my toy p-up day i used to do it, its a straight bolt on and you will use the 20R manifolds. yes the 22R valves are bigger, but the 20R has much smoother runners and keeps the air moving better.
 

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the chassis dyno said 10HP at the rear wheels but it didnt come until 2800rpm , like i said, some gain, but how often are you over 2800? only nice on the freeway.
 
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