LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

ported heads ?'s (A LOT of pics)

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Old Sep 26, 2007 | 03:08 PM
  #1  
30696bird's Avatar
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From: dalton Ga.
ported heads ?'s (A LOT of pics)

FINALLY getting around to putting my ported heads on my car! I just have a few question. First off, should I try to fix the little holes where he ported through the head at the rocker studs. Second, how does the ports look? I know it's hard to tell from pics but just an opinion. And, how are these flow #'s? The flow #'s (@28") are .....

Lift Intake Exhaust

100 68 53
200 127 105
300 182 132
400 228 157
500 261 178
550 272 185
600 272 190

These #'s are with 2.00, 1.60 ferrea valves.

Here are some pics,



In this pic you can see the holes







Here's one of the runners


Here are a couple of the intake



Old Sep 26, 2007 | 03:12 PM
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who ported and flowed these?
Old Sep 26, 2007 | 03:15 PM
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30696bird's Avatar
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From: dalton Ga.
Originally Posted by SS MPSTR
who ported and flowed these?
A guy here in Ga. His name is Steve Chapman. It cost me $825 for EVERYTHING. I got new valves, heads AND intake ported. I already have the 26918's (old batch) so I did not need springs. The only down side,assuming these work well, is it took him a LONG time. He was very helpful though. I have a friend who has a set he ported on his car and he runs 6.1's in the 8th with a 383 and XFI cam. He said (my friend) that mine look A LOT better than his.

Last edited by 30696bird; Sep 26, 2007 at 03:20 PM.
Old Sep 26, 2007 | 05:00 PM
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Dont worry about the hole where the rocker stud is, just use sealant on the studs when you install em. He left a lot more valve guide boss than I have seen left on the ai and le heads i've installed. His chamber work is pretty conservative too, overall i'd say thats a fairly mild port job. Thats not to say its bad, theres more to heads than eyeballing photos and flow numbers. Stick em on and see if they're worth the cash.
Old Sep 26, 2007 | 07:17 PM
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I don't know how you expect anyone to give you feedback on the pictures of your heads when they are tiney blurry pics.
Old Sep 26, 2007 | 10:30 PM
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30696bird's Avatar
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Originally Posted by speed_demon24
I don't know how you expect anyone to give you feedback on the pictures of your heads when they are tiney blurry pics.


LOL, I'm sorry......I'm NOT a professional photographer! I resized them thinking they would be easier to see. I will take new ones and hopefully they will be easier to see.
Old Sep 27, 2007 | 05:48 AM
  #7  
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pics are fine u get the basic idea good luck with the setup let us know how it does
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