pro 3 with oem pistons?
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pro 3 with oem pistons?
any try this? looking to upgrade my cams and cant seem to get off these pro3s for something smaller its a 82x89mm gsr with pr3 pistons
#6
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Re: pro 3 with oem pistons?
I say check your clearances and if needed fly-cut the valve reliefs deeper and take a chance with the pro3's. Honda-tech is full of "What should work theories" but sometimes you have to take a chance and you might just find out something interesting.
Obviously, the combination of supporting bolt-ons will play a huge role here too.
Obviously, the combination of supporting bolt-ons will play a huge role here too.
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Re: pro 3 with oem pistons?
i know what should and should not work that is not the problem. engine is already running with pro1 intake itr exhaust cam. i know it is "over camming" but they are not selling. so if i clear p2v fine then i would run them aswell as try different exhaust cams. With that said if i could sell them i would be dropping in some cams from ddtech most likely. So hopefully Some Of the Builders with experience with using pro3s on smaller engines can chime in and i know there are a few (rip donf).
also this is the profile i think this setup will end up liking
pro3 intake .500 270
custom crower .496 254
also this is the profile i think this setup will end up liking
pro3 intake .500 270
custom crower .496 254
Last edited by bigG; 04-21-2015 at 05:38 AM.
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