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

Porting LT1 Intake

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Old Jul 14, 2007 | 10:07 PM
  #1  
Executioner2k5's Avatar
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Porting LT1 Intake

what all does it take? does any one have a link to a website about doin it?
Old Jul 15, 2007 | 01:35 AM
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I did mine in my garage with a dremel and 60 grit sanding drums. I just put my new gaskets over the ports and traced them with a felt tip marker and wne at it, but be sure to leave just a little bit of your line so the intake ports are just slightly smaller than the gaskets so you don't have the air hitting the gaskets and making turbulance.

But on a side note I think it would have been way more worth it to send my intake to LE or AI and have them port it to really get the full benefit, but thats a project for next winter
Old Jul 15, 2007 | 02:05 AM
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From what I hear is gasket matching doesn't help with the intake much if not even hurt it some. I would talk to a reputable porter before simply gasket matching.
Old Jul 15, 2007 | 08:33 AM
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If the heads are as cast I really would not bother. Since the gen 1 and gen 3 motors respond so well to intake swaps and such guys are way too fast to assume the gen 2 needs the same. Fact of the matter is the stock intake works supprizingly well as cast. Once you start porting heads and stuff sure have the heads guys port it but till them leave it alone.

A local guy with a TPI car was telling me how he swapped to a LT1 intake from a Super Ram on a low 12 second car, gained lowend torque and highend HP. He did not have enough runs in on it to have a solid handle on the ET difference.
Old Jul 15, 2007 | 08:38 AM
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don't bother unless you have the heads...and let the head porter do the intake, alot of the work is hard to get to and you need experience to get anymore flow out of it.

The stock intake is pretty good out of the box.....trying to do a DIY port job on it will probly hurt you and destroy an intake in the process
Old Jul 15, 2007 | 11:00 AM
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Not much you can do with the short runner in the LT1. Leave it alone.
Old Jul 15, 2007 | 03:31 PM
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Just take it over to Lloyd's house man! You live like 25 miles from him.
Old Jul 16, 2007 | 08:32 PM
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Originally Posted by MeanGreen97Z
Just take it over to Lloyd's house man! You live like 25 miles from him.
No kidding.

Depends upon the overall combo. On stock or near stock it's a waste of time, but on higher hp applications it's very worthwhile. You need to always look for the weak link. In lower hp applications it not, in higher it is a weak link.
Old Jul 17, 2007 | 12:58 PM
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Of course we have no idea whether his engine is mod'd or not, since he hasn't put anything useful in his signature.
Old Jul 17, 2007 | 03:37 PM
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Executioner2k5's Avatar
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word!, its not to moded. im installing LT4 Springs, LT4HC,Headers I have Ram Air, Flowmaster cat back/cutout and thats about it
Old Jul 17, 2007 | 03:39 PM
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put your mods in your sig instead of fabricated ramblings......
Old Jul 17, 2007 | 04:29 PM
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Executioner2k5's Avatar
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lol hey what can i say i like the make up stories eh Dacton :P
Old Jul 17, 2007 | 05:26 PM
  #13  
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Your signature is actually a bit on the offensive side, and needs to be deleted.
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