APN Intake Installed (Pics) - Page 4 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 08-03-2007, 12:45 PM   #31
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I think you're right. But I'll post better pics of that one, and of the front one too since I never actually photographed it.

Feel free to use these in Techinfo or anything else that may be useful.
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Old 08-03-2007, 01:40 PM   #32
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Quote:
Originally Posted by BillBoost37
My interest is in the one on the rear. Looking at your pics and trying not to head too far off topic..I noticed it "looks" like the #6 intake area was collapsed on the trans side but not the coolant jacket side.
I'll second you there, Bill. All three (four if you count my helping sp4149) sets of plastic LIM gaskets I've swapped out were worst-looking right at the #6 cylinder. I'm thinking the rear head gets hotter than the front due to less exposure to cooling external airflow through the engine compartment, and that perhaps cylinder #6 runs a bit leaner than others due to the aim of the air coming in through the TB (and/or less efficient liquid cooling in the head passages?).
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Old 08-03-2007, 02:53 PM   #33
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Here'* some pics, rear LIM gasket first:



Closeup of the port in question:



You were right about the collapsing on the transmission side.

Forward intake:



A little better, but not much...


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Old 08-03-2007, 03:24 PM   #34
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Relative to the plastic LIM gaskets I've done, those look absolutely great
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Old 08-06-2007, 04:30 PM   #35
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So a few days later...

Car still runs great! Going to change the oil and filter once I hit the 200 mile mark after the work we did.

However, I've noticed a couple of things.

Oil Pressure: It'* lower. Not dramatically, but instead of running at ~40 psi at idle it'* running at a bit over 30 psi. Normal, or should I be concerned?

It warms up a lot faster now too...and everything seems hotter inside as far as radiating heat is concerned (engine, radiator, etc). Mechanic says it'* because of my old faulty belt tensioner...the new one is allowing the water pump to operate more efficiently. He says that while my engine may seem hotter, the oil temps are probably cooler than they were before. It'* not running at a different temperature on the coolant temp gauge, just heats up quicker and keeps the engine bay nice and toasty. I don't think that'* a problem but I thought I'd mention it anyway...

Had my A/C system recharged too, wasn't blowing cold at all. Now it'* like an ice cube.
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