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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 06-03-2007, 09:23 PM   #721
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Quote:
Originally Posted by willwren
Spring-blockers won't help on your launch. They don't even touch the coils when the ELC is tricked.
Possibly not..
I am not exactly low mileage springs and will install to ensure there is less movement. Today blockers.. tomorrow might be another measure. I haven't decided yet.
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Old 06-03-2007, 10:25 PM   #722
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Bill'* Dino Butt is hangin low.
Today the InterState tomorrow the AutoBaun.
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Old 06-13-2007, 10:33 AM   #723
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Back with a possible new item.

The low rpm, low engine load KR that I'm experiencing "sometimes" has been annoying to say the least.

To test for real KR, I added Toluene and brought up my octane rating to about 97. Kr was still present. At the track..I mixed a lot of 104 octane in and came out with about 102....still present.

Gathered a wiring harness from the transmission area connector to the rear knock sensor. Got out my 97'* knock sensors and have had grand plans of changing the wiring harness piece and knock sensors as soon as I have time..as well as isolating each knock sensor bank to determine where the knock is being detected.

Meanwhile.. I sold a balancer to Jastek1, my understanding was all S2 balancers were the same part number. Jeff noticed a difference and brought it to our attention. The part numbers are different..and possibly slightly different themselves. Can this be a glimmer of light?????

I pulled the 01 balancer off the car and sent it to Jeff, meanwhile he is sending the 97 balancer back to me. In a couple of days we will know if the balancer is different enough to cause the KR.

Data:
96-99 Bonne
97-03 GP
97-04 Regal
All use the same balancer

00-03 Bonne'* use a different balancer part number.
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Old 06-13-2007, 06:59 PM   #724
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I have read on clubgp that the balancer for the 00+ H-body is more refined then the w-body balancer. Some people have used it to solve flexplate cracking issues at raised RPM limits. Just thought I'd add that.
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Old 06-13-2007, 10:19 PM   #725
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Jeff must have sent the balancer speedy postal express, it was here today.

Put it on..case learned and went out to pick up some dinner. F^#^$%^ KR still there.

Following advice from Intense, I tossed in the stock pcm and case learned. Some KR.. definately lower than expected. Then put the Stage 1 pcm back in with the stock pcm'* knock module. Not a bit of KR.

This is how flakey the KR is.. very intermittent. Aiming for more scans tomorrow.
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Old 06-14-2007, 08:24 AM   #726
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LOL... my friend KR came to visit this morning.

My car has PMS and I can't find a big enough bottle of Pamprin.
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Old 06-14-2007, 11:31 AM   #727
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Guess you'll have to swap out the cam next......

......then back to the Gen3....
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Old 06-14-2007, 11:44 AM   #728
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Quote:
Originally Posted by 2000SilverBullet
Guess you'll have to swap out the cam next......

......then back to the Gen3....
I own a tuner and am scanning to determine the problem. If this issue is a part on the car or part of a tune it will be found and fixed. Since I ran the 104 octane and still had the KR while in vacuum not boost..most would consider this to be false knock. False knock woouldn't be cam or gen V related.

Next steps are to run without the SC belt to ensure it'* nothing in that system, although since it'* happening under vacuum there isn't an expected solution there. Merely ruling out another item.

Double checking exhaust etc for clearance and sealing.

Replacing the wiring to the rear knock sensor from the closest connector. (There is a short piece that connects from the sensor to another connector behind the transmission).

Adding the false knock Dynamat on the knock sensors.

Each item will be done one at a time to determine the actual fix of the issue. Going at this with a vengance to get the problems solved and move on to tuning and securing a new spot in the fastest bonnie listing.
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Old 06-14-2007, 02:11 PM   #729
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May have found a possible solution.

http://www.clubgp.com/newforum/tm.as...anguage=single

Let em know if this helps.
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Old 06-14-2007, 03:35 PM   #730
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Interesting that you mention that. I don't remember if I pulled these knock sensors or not. Dan swears you "adjust" how sensitive they are by how far you put them in. They want 14lbs of torque and that'* all. I was thinking that I'll be checking that as well.

Not sure if i need to move to LT1'* just yet.. it'* a thought though.
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