PI intake on NPI heads

OK, first off I tried a search but couldn't find my answer. My brother swears this can't be done since the ports are different on PI and NPI heads and he says that if you were to put a PI intake on NPI heads he says the ports won't be the same and therefore won't work. So do you have to get intake spacers are something when doing this mod. I need some help since I want to be doing this mod.

Tyler
 
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Not true at all. I installed a PI intake on non-PI heads and gained 15rwhp peak, 1-3 tq, and at 5500 rpm I gained 24hp and 24tq. Very worthwhile mod. Make sure to put some RTV down when doing the install to help insure against leaks. Do a search on this site, and on ModularDepot.com for more info.
 
97BlackSteed said:
Not true at all. I installed a PI intake on non-PI heads and gained 15rwhp peak, 1-3 tq, and at 5500 rpm I gained 24hp and 24tq. Very worthwhile mod. Make sure to put some RTV down when doing the install to help insure against leaks. Do a search on this site, and on ModularDepot.com for more info.

Sounds like a worthwhile mod to me too... :nice: