Boost's Performance Attempt - Page 72 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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 05-20-2007, 11:31 PM   #711
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Quote:
Originally Posted by PontiacDad
Need ported heads and intercooler to see 12'*
I did 12.9 with stock heads and no intercooler.
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Old 05-21-2007, 12:57 AM   #712
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Hi Bill, any luck with finding that skip after chaging out the coil packs?
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Old 05-21-2007, 02:14 AM   #713
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Quote:
Originally Posted by Buickman104
Hi Bill, any luck with finding that skip after chaging out the coil packs?
We got the coild and ICM changed out just to get more items ruled out... The skip seems to be better...

Car runs pretty good and drives a bit better, and has no misses under load such as TCC lock at 1300 Rpms...

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Old 05-21-2007, 11:25 PM   #714
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i saw and did hear the boostmobile running at idle sound good and very responsive .for sure if he gets good traction i will post good numbers at the track .to bad the weather was not for us drag strips guys
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Old 05-28-2007, 10:29 PM   #715
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Getting a handle on this low rpm low throttle kr. I crawled under and checked the rear knock sensor one night..seemed to intensify the KR the next time I drove it. Checking by yourself is tough.

Today.. I got a chance to get some help.... say Hi to Matt and Nick..lol. Before doing anything..I noticed the rear wiring was loose.. because when I messed with it..the seal had fallen off it. Added the seal and the connector seems to be staying still now. So far...no KR Time will tell if it was really that simple.
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Old 06-02-2007, 03:13 AM   #716
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How is the car responding now?
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Old 06-02-2007, 03:23 AM   #717
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He told me he still has the KR and the knock sensor wiring was not the culprit.

The really odd thing is that when he monitors KR, the timing does not change when the KR is happening. WTF is with that.

If the PCM indicates 5 KR then that must mean that it has retarded the timing 5 degrees but Boosty says that when his scan shows a few degrees of low rpm KR that the timing does not retard.
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Old 06-02-2007, 07:59 AM   #718
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oh now thats wierd
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Old 06-02-2007, 10:20 AM   #719
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Thanks for responding for me Paul

The rpm and load are at a low level where timing bumps around as load etc increases slightly that the retardation from KR is impossible to notice. The wiring could still be suspect as are the sensors and everything under the hood. What I do know is that no amount of high octane fuel or timing retardation through the timing commander and even a gear change (change in load) changes the KR. Aka..I have a high probabiliity it is false KR. Soon as I can get a moment..I'm hitting this hard.

Meanwhile.. we frequently hear that the 3800'* love timing. Having the Caspers Timing Commander, a properly tuned PCM and an Aeroforce gauge can be quite enjoyable.

I'll have a new pb, the question really is..once I have slicks.. where will my pb end up?

Meanwhile..I happened to get these (dead camera batteries) the other day. These...minus picture is a set of spring blockers.
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Old 06-02-2007, 10:30 AM   #720
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Spring-blockers won't help on your launch. They don't even touch the coils when the ELC is tricked.

In fact, I tricked my ELC to install them.
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