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Thread: pro comp heads any good ?
          
   
   

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  1. #5
    pat mccarthy's Avatar
    pat mccarthy is offline CHR Member/Contributor Visit my Photo Gallery
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    Quote Originally Posted by mr73chevyboy View Post
    pat McCarthy, ive heard all the small block ones have huge issues such as the ports not matching and so forth.. does it go the same for the big block set? on other forums ive seen that the big block ones are a better made head. just looking for more input. thanks
    THE LAST POST there is more then 3 best heads out there Darts. RHS. few more . GM heads and edebrock older vic heads is the rehashed 861/862 head you want to keep away from that head for the size of engine you have as its a 375/380 cc intake port less you close it down with A&B putty have a set in the shop now they are a old set that the flow number were not the best but had only a 2.250 valve in it but made 850hp at 6500rpm . Yes the PRO Comp intake ports do not line up and the way they lay the port out is off so there is a clif on the back side of port by the push rod if you do not care then they will bolt on thats about it . i am a dealer for brodix. profile. dart.world. and flowed the brodixs race rite heads will not flows posted numbers but flow is not evey thing . if you think it is well then i have real flow numbers on the brodix race rites and the 861. and dart wet flows dart makes a O port head that works nice and pro filer O port is to big for a 402 less you going way up in rpm and it a very lite truck you will need more CR as well so a custom piston will be needed as your dealing with big head chambers for all of the heads as they are working around a 4.250 bore and bigger and many head gasket fire ring is 4.370 to 4.540 .you need to run a big head gastket for that chamber so that kill some CR there.other then afr and eldelbrock make a small chamber heads. i am dealer for them as well if you need a price . icon may make a open chamber piston and wiseco i think makes one as well
    Last edited by pat mccarthy; 04-03-2014 at 08:35 AM.
    Irish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip

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