Running a 2.8" Pulley Now (Video Added) - 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 07-04-2005, 07:36 PM   #1
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Default Running a 2.8" Pulley Now (Video Added)

WooHoo...I'm running the 2.8" pulley now on 92 octane in 90*F as a daily driver with no KR...none...not even a blip.

I currently have STFT and LTFT values of 0 at WOT with 17* of Timing Advance and O2 values in the 924 Mv range . Even with high temperatures we've been having, I recorded 13.05 Lbs of boost :P

The problem is that you get used to the power pretty quickly. Soon I'm going to have to borrow a line from Captain Kirk;

" More power Scotty, I need more power"

" Aye Captain, I can give you a few more degrees of timing but that'* all"

Here'* a little video clip of the idle, a 6MB AVI file, right click and 'Save As';

http://ssei.whiteswebs.com/etc/SSEi_PW_Idle.AVI


Cheers,
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Old 07-04-2005, 07:39 PM   #2
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Yikes. Chasing 8-ball. Run, Todd, Run!
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Old 07-04-2005, 07:40 PM   #3
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I bow to your 2.8ness

Wheres your ipw'* at, did you upgrade the injectors when you cammed up?
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Old 07-04-2005, 07:43 PM   #4
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Quote:
Originally Posted by willwren
Yikes. Chasing 8-ball. Run, Todd, Run!
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Old 07-04-2005, 07:45 PM   #5
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Quote:
Originally Posted by PontiacDad
Wheres your ipw'* at, did you upgrade the injectors when you cammed up?
I touch on 19 MS on Lucas 42.5 # injectors

Cheers,
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Old 07-04-2005, 07:50 PM   #6
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Quote:
Originally Posted by Foghorn
Quote:
Originally Posted by PontiacDad
Wheres your ipw'* at, did you upgrade the injectors when you cammed up?
I touch on 19 MS on Lucas 42.5 # injectors

Cheers,
Is 22ms considered static on 42.5'*?
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Old 07-04-2005, 08:05 PM   #7
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Quote:
Originally Posted by PontiacDad
Is 22ms considered static on 42.5'*?
Hmmm, I don't know the exact answer to your question. Some would say yes, but that depends on RPM, as the speed goes up the maximum IPW decreases as a function of duty cycle.

I've seen cars run well enough with 22 MS IPWs but that leaves little room for overhead.

Cheers,
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Old 07-04-2005, 08:55 PM   #8
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How did you reprogram your PCM for the new injectors?

Did you have to redone your entire table? or is there just a simple field for injector size?
(just wondering because I might have to do it)
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Old 07-04-2005, 10:40 PM   #9
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i still want to see that beast at nap foghorn
how much hp you think you get with those mods?
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Old 07-04-2005, 11:24 PM   #10
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Are you still running the OE Gen III blower?
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