So i've got KR.... - Page 2 - 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 03-28-2005, 01:53 AM   #11
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Quote:
Originally Posted by LakevilleSSEi
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Originally Posted by LakevilleSSEi
I think that your IAC counts a lil low......Does it change at all with the lights on?? Should go up one or two steps when you turn them on. I think that it should be up in the 30'*???? I think that'* what my mechanic had mentioned to me one night at the shop.

A bleeding down lifter can definantly be a part of the KR if it'* enough for the KS to hear.

My 2 cents.
Humm what do you mean when the lights are on? headlights?

When you turn your lights on it creates a draw on the alt and then engages the alt which puts a load on your motor......The IAC would have to open up a lil to keep the desired idle.
Ohhhhhhh. I didn't check. But my lights were off when i got those readings.
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Old 03-28-2005, 01:59 AM   #12
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Quote:
Originally Posted by Bob Dillon
Thanks, Will.

Since oil causes detonation in the combustion chamber, it would seem new head gaskets are in order for the vehicle if the plugs are dark.

I'm sure the KS can't distinguish between detonation caused by oil rather than poor fuel quality.

will, while I gotcha on the line, what'* with the avatar? I've uploaded mine according to the instructions and it has yet to appear. Can you help?
Email me the file at william dot wren at gmail dot com
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Old 03-28-2005, 12:06 PM   #13
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If you installed MLS head gaskets did you coat them with copper gasket spray and change the bolts? ARP bolts are what I use on the Supra.
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Old 03-28-2005, 01:52 PM   #14
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If you installed MLS head gaskets did you coat them with copper gasket spray and change the bolts? ARP bolts are what I use on the Supra.
Yep i used copper spray. Heres the mess when i put them in. and i put them in with new torque to yeild bolts not the ARP studs.
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Old 03-28-2005, 07:21 PM   #15
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You also need a larger DP -you really got duped on the 2.25" DP -2.5" was factory stock. I bet you are getting at least 1-2* KR from that small of a DP. talk about a bottle neck with all your mods pulling in more air, but once in they have practically no where to go.
I can get a 3" DP (crimp bent -but it'* still an advantage over the original 2.5" crimp bent) made for $35 (+ shipping) for you, but you will need to save your original flex pipe to be welded to the DP.
I had one put on my 98 SSE and that probably wasn't moving nearly as much air as you are, and I had drastic gains (Note: I also had my 2.5" magnaflow high flow cat installed at the same time). You will definitely see gains from a 3" DP and a high flow cat with that cam and all the other mods.
PM me if you are interested.
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Old 03-28-2005, 08:10 PM   #16
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That'* a nice price and i appreciate it but i'm plannin on gettin headers this summer like i said up there ^^^^.
Thanks.
I do totally agree it'* probably contributing to my KR.


Still haven't checked to make sure it'* not my lower intake manifold leaking. It'* raining cats and dogs.
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Old 03-28-2005, 11:19 PM   #17
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Does your chip have a lot of extra timing tacked on?

Hows the fuel pump/pressure? ( new o2 can't hurt either..)
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Old 03-29-2005, 02:53 PM   #18
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Quote:
Originally Posted by BonneMeMN
Does your chip have a lot of extra timing tacked on?

Hows the fuel pump/pressure? ( new o2 can't hurt either..)
My timing is really close to a stock grand prix gt.
How would i go about testing the fuel pressure?
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Old 03-29-2005, 03:28 PM   #19
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Need a fuel pressure tester. I think you hook it on to the relief valve on the FPR? I've never used one, so it'* just a guess..... I could be wrong.
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Old 03-29-2005, 09:09 PM   #20
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Well, i cheacked my LIM/valvecover gaskets/head gaskets, it has to be my headgaskets.
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