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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 01-02-2008, 11:24 PM   #21
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about mid december before the plog and i was getting about 7 to 8 degrees of nasty kr. I installed my SS plog about a week ago and scaned a few days after i was getting between 4 and 5 degrees of kr. It was about 30 degrees for both scans.
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Old 01-02-2008, 11:25 PM   #22
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AFTER the PLOG you were getting 4-5 degrees of KR in 30-degree weather?

Move to a 3.5 pulley ASAP. You should get ZERO KR in this kind of weather. No exceptions.
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Old 01-02-2008, 11:29 PM   #23
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i have a crappy intense tune, i just need a better tune and a 3' downpipe and that should kill the kr
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Old 01-02-2008, 11:42 PM   #24
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alot of gtp guys are getting more knock in the winter, one reason mite be because of the crappy winter blend gas, here'* a link on the topic
http://www.clubgp.com/newforum/tm.as...mode=1&smode=1
and who know'* i mite be knock free in the summer with the same mods
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Old 01-03-2008, 01:02 AM   #25
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Quote:
Originally Posted by GAMEOVER
garbage i didnt notice any gain and i had a skew from FIE 3% over the rear bank
i had a Rear PEM too

save your cash and get headers!
Ditto! well, almost -I didn't have mine skewed. I do have to say with the P-log on the new motor for all of 2 weeks and then swapping to the stock mani I didn't notice any difference via seat of the pants or eyeing the stock guages.
After a bit of thinking how I melted my #3 piston and I feel it was:

1. P-log with no skewing

2. Ported SC outlet where the bar was removed between the boost release valve (if that'* what it'* called) and the LIM inlet wasn't opened to match, creating a turbulant flow into the cylinders, which would cause misfire -aka KR.

3. Combination of 1 and 2.
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Old 01-03-2008, 10:25 AM   #26
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how hard is it to install Pacersetter headers, i'm thinking of getting a set, and selling my plog.
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Old 01-03-2008, 10:39 AM   #27
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Y2k, you don't understand. If you're getting KR, lose the 3.4 pulley. You're causing damage right now. For the PCM to detect knock and retard the timing, the knock has ALREADY HAPPENED.

We had 3 popped pistons last year. You wanna start a new club for 2008? If you have KR, regardless of the cause, fix it, or change pulley sizes to kill it.

Then describe this 3-foot downpipe and 'crappy' INTENSE tune so we can help you further.
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Old 01-03-2008, 10:58 AM   #28
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I'm gona get a set of pacersetters, i just wont go WOT untill I get them on, and if that dosen't kill the knock I'll move up a pulley size
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Old 01-03-2008, 08:24 PM   #29
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First off, you shouldn't be running a 3.4 and 1.9RRs without headers, anyway. A PLog is nowhere NEAR keeping up with that.
Truth be told, with that setup, headers, downpipe, and a highflow cat are near-absolute necessities.
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Old 01-03-2008, 10:22 PM   #30
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thats BS many run a 3.4, 1.9 rockers,PEMs, and run knock free. Every cars different, its obvious in my situation i need headers or IC to run knock free.
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