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LIM porting tips

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Old 05-09-2008, 12:30 PM
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Default LIM porting tips

Now that LeSabre'* done with his LIM porting job i've picked up his old LIM and plan to do the same. I have a friend that is pretty handy with this kinda stuff, he makes pretty good money porting out throttle body'* for camaro'*, and i as just wondering if any one had any tips i could give him to make the process go along more smoothly.
Old 05-09-2008, 12:43 PM
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Target width: .85"
Target height: 1.85"

Don't OVER PORT! Make your 3 corners the same radius as the head ports.
Smooth out the bumps and flaws, and don't POLISH anything. You're pretty much just taking the rough casting from the high spots down to the lows.
Old 05-09-2008, 02:26 PM
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So dont actually Port out the holes just fix them and make them even?
Old 05-09-2008, 02:33 PM
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Originally Posted by the crunge
So dont actually Port out the holes just fix them and make them even?
Your just trying to match them to the heads and yes, for the most part, you are 'fixing' them.
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