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port and polish intake on heads

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Old 07-30-2012, 02:48 PM
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Default port and polish intake on heads
Is it true not to port and,polish the intake side of a head?
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Old 07-30-2012, 02:54 PM
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You do not want to have the intake port smooth as glass, the "roughness" aids in a better mixture for combustion. But, there is some degree of "polish" work done after porting .
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Old 07-30-2012, 05:43 PM
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We minimal blending when finishing a set of heads. We try to leave as much of the CNC ridges as possible for better air flow.
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Old 07-30-2012, 06:30 PM
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Thanks guys I know, but I didnt see a post about it on here and if someone was lookig for the info it would be here
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Old 07-30-2012, 06:54 PM
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Originally Posted by chevybayboy
Thanks guys I know, but I didnt see a post about it on here and if someone was lookig for the info it would be here
Huh? You claim to be asking questions already knowing the answers, just so others will benefit?
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Old 07-30-2012, 10:14 PM
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Originally Posted by crainholio
Huh? You claim to be asking questions already knowing the answers, just so others will benefit?
Is that a problem
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Old 07-30-2012, 10:22 PM
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Originally Posted by crainholio
Huh? You claim to be asking questions already knowing the answers, just so others will benefit?
Ok troll get back to me when you get from under the bridge
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Old 07-31-2012, 04:52 AM
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Originally Posted by chevybayboy
Ok troll get back to me when you get from under the bridge
Entertainment has arrived.
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Old 07-31-2012, 04:59 AM
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Oh thank you so much, Chevybayboy! I was just about to polish my intake ports on my heads, but then I searched LS1TECH for polish intake on heads and your thread popped up... now I know that I shouldn't because you posted this question and answer!

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Old 07-31-2012, 06:21 AM
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Originally Posted by chevybayboy
Ok troll get back to me when you get from under the bridge
You hit the nail on the head there. That guys been trolling for 9yrs and over 2,800 post.
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Old 07-31-2012, 06:56 AM
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Now I feel dirty because I responded.
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Old 07-31-2012, 08:40 AM
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And no amount of scrubbing will get rid of it... *shudders*

I've heard that leaving a rough finish is better for the intake side, but does apply to the exhaust side as well?
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Old 07-31-2012, 09:42 AM
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Personally I don't do many, so time isn't realtime a factor but I like to bring everything up to a mirror finish so I can easily see any imperfections, then when I'm happy with it I knock the intake side back down with 80 grit and exhaust side to 220-320
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Old 07-31-2012, 10:26 AM
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Originally Posted by Way2Fast
Now I feel dirty because I responded.
??? How you helped someone out dude
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Old 07-31-2012, 10:27 AM
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Originally Posted by mark21742
Personally I don't do many, so time isn't realtime a factor but I like to bring everything up to a mirror finish so I can easily see any imperfections, then when I'm happy with it I knock the intake side back down with 80 grit and exhaust side to 220-320
Yea I knock mine down with 80 grit sand paper as well
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Old 07-31-2012, 10:29 AM
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Originally Posted by Remnant-of-VII
And no amount of scrubbing will get rid of it... *shudders*

I've heard that leaving a rough finish is better for the intake side, but does apply to the exhaust side as well?
No the exaist side u can polish the hell out of it make it very smooth
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Old 07-31-2012, 10:30 AM
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Originally Posted by Fry_
You hit the nail on the head there. That guys been trolling for 9yrs and over 2,800 post.

Exactly lol
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Old 07-31-2012, 10:32 AM
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Originally Posted by themealonwheels
Oh thank you so much, Chevybayboy! I was just about to polish my intake ports on my heads, but then I searched LS1TECH for polish intake on heads and your thread popped up... now I know that I shouldn't because you posted this question and answer!

No prob dude just take you time on it.. You can polosh the hell out of the exaust side tho
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Old 07-31-2012, 10:36 AM
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My O.C.D. thanks you, sir.
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Old 07-31-2012, 10:37 AM
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No prob
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