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Post by ranger23t on Jun 2, 2009 19:20:36 GMT -5
i just picked up my head from the machine shop. i had it ported and polished and big valves installed the machine shop installed 194/160 valves. i had thought he was going to install 189/159 valves. is there a down side to using these valves .i have a stock turbo head on the truck now
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Post by Stinger on Jun 2, 2009 23:17:18 GMT -5
The ports can't support the flow of that large of a valve but it would still be better than a stock unported head, it's just not ideal.
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Post by Strangeleak on Jun 3, 2009 12:49:38 GMT -5
The turbo doesn't make enough velocity even on a ported head to offset the oversize valves?
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Post by ranger23t on Jun 3, 2009 20:25:03 GMT -5
thanks guys i guess i will put it on.and hope it helps atleast a little.
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Post by Stinger on Jun 3, 2009 23:19:16 GMT -5
The turbo doesn't make enough velocity even on a ported head to offset the oversize valves? The turbo has nothing to do with how the head flows. Velocity is the same, pressure just increases. |
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