LT1-LT4 Modifications 1993-97 Gen II Small Block V8

How hard is head porting?

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Old Feb 23, 2009 | 10:57 AM
  #21  
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I put 40 hours into my heads
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Old Feb 23, 2009 | 11:43 AM
  #22  
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Originally Posted by Formula350
Yes! Don't use cast iron bits on aluminum! They'll clog up and you'll spend more time cleaning out the aluminum from the bits than porting the heads lol
Did I say cast iron?

Well even if what I used was cast iron, they didn't clog up, and they ported just fine. So your whole argument is defunct.

I "ported" my heads on my lt1 and it ran .2 better in the 1/4. All I did was gasket matching, resurfacing the intake the exhaust ports and some bowl blending. It worked great, took a long time, and had a nice little performance gain.
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Old Feb 23, 2009 | 12:52 PM
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he was agreeing with you I believe
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Old Feb 23, 2009 | 12:55 PM
  #24  
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all you said was get the proper cutting tools...he agreed with that and added not to use cast iron bits
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Old Feb 23, 2009 | 01:50 PM
  #25  
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Originally Posted by Ironxcross
get an extra set of heads (like everyone else said)

get the proper cutting tools (cutting bits, sandpaper rolls, etc etc etc etc)

set alot of time out to do the porting part

just try to gasket match and make things as even as possible, any inconsistencies here is a huge problem. keeping the port shape the same but just expanding it slightly is the overall goal.

and again, schedule alot of time for this.
I agree. Plus obtain as much info as posible. If it is something that you want to try and learn about, go for it. If you are looking for free hp forget it. Let the pros do it.
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Old Feb 23, 2009 | 07:39 PM
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Originally Posted by myltwon
he was agreeing with you I believe
Originally Posted by whammer33024
all you said was get the proper cutting tools...he agreed with that and added not to use cast iron bits
Correct and correct. I was simply saying that one should be mindful of what they're buying.
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