?? Pro Comp ??
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?? Pro Comp ??

  1. #1
    LP-25.com Infomaniac's Avatar
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    Default ?? Pro Comp ??

    I have no idea why someone would not run that stuff. Pro Comp goes above and beyond to make sure there are enough threads for the rocker studs.

    Can't afford decent stuff then run the GM

    Yes this pic taken today and the same cylinder head.

    Dude was talked into running these and I have to work them over until they are useable.
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    Tell the Chinese to build you some square port big block heads and that is exactly what you get.

    Part number is visible on this gasket.

    Quote a customer $1,500.00 to overhaul their heads and the price of the pro comp is irresistable.
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    Pro Comp is Australian!

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    Quote Originally Posted by hotrod56cars View Post
    Pro Comp is Australian!
    Sure they are --- via china

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    My Pro Comp heads didn't look anything like that when I received them. I didn't use those gaskets the last time I had the engine put together but tonight (hopefully) the engine is getting resealed up and those are the same gaskets we're going to use.

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    mo balls than $cents$ IMPATIENT 1's Avatar
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    only cost me a bit of labor, some tootsie rolls and alil cutting oil are you sayin the rocker thread thru the intake are weak? cause i've overrevved to 8k several times and never pulled 1 out. i took out the helicoil overhang when i did the gasket match porting and cut off what stud was exposed in the intake flow.

    are you gonna flow them when you're done? gary snow had a set flowed outta the box with no port work,valve job, or bowl blending done. i've got those flow #'s somewhere be interesting to see what they do after you do your magic to em.

  9. #7
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    Quote Originally Posted by hotrod56cars View Post
    Pro Comp is Australian!
    boy, that lie will just never die. And for the record, RHS/ProTopLine's aren't Aussie either, they are KIWI (New Zealand)



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    Last edited by gn7; 10-01-2008 at 04:28 PM.

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    So the stud hangs in the port. Ive had gm irons show the studs after porting. As far as the gasket match, its a smaller runner head.
    They dont look bad for the money, Ive heard some big HP #s out of those heads.
    Show the chamber and bowl.

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    Quote Originally Posted by Infomaniac View Post
    Sure they are --- via china
    they're definately chinese, mine had tight holes i mean guides

    it takes the regular ole felpro 1017 headgasket to seal the heads since they're at a 4.5 chamber.

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    gn7
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    all most all large port alumn heads have the intake roker exposed in the port. But not usually with a port that small and low. Also the thread length is way short IMO



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    Quote Originally Posted by gn7 View Post
    boy, that lie will just never die.
    weren't protopline's definately from austrialia before rhs picked them up? the protopline's are nice heads, i've got a flow sheet on some unported assembled heads that came from a reliable source, and they're some nice flowing heads. hass828 runs a set and has real good luck with the protoplines. wish they were still around cause they were cheaper before it went rhs. that's what i wanted but couldn't find any, so i went to the protopline knockoffs, procomps.

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    Quote Originally Posted by gn7 View Post
    ... Also the thread length is way short IMO
    I'm trying to cut back otherwise the thread's length would have been a lot longer. The first step is admitting I have a problem. LMRAO

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    Quote Originally Posted by IMPATIENT 1 View Post
    weren't protopline's definately from austrialia before rhs picked them up? the protopline's are nice heads, i've got a flow sheet on some unported assembled heads that came from a reliable source, and they're some nice flowing heads. hass828 runs a set and has real good luck with the protoplines. wish they were still around cause they were cheaper before it went rhs. that's what i wanted but couldn't find any, so i went to the protopline knockoffs, procomps.

    My friends/customers run a pair or PTL on their blown injected 468 jet boat.

    They ran a 6.11 135 MPH first run at Malvern last weekend. Changed the tune and pushed a head gasket out. Never fully recovered to qualify for the race. Got 2nd chance and boat would'nt start at the rope

  16. #14
    gn7
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    New Zealand and they still are. The factory/foundry is so "VERTICAL" ( foundry and machining, packaging, shipping all in line at the same location) it wasn't worth it for RHS to move it here. Competition Products list both, although I don't know if they still have any of the Pro Top Lines left. http://www.competitionproducts.com/p...s.asp?dept=695
    http://www.competitionproducts.com/p...s.asp?dept=155



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    Last edited by gn7; 10-01-2008 at 04:38 PM.

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