G-tech Pass (1/4 run) - 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 07-04-2004, 09:19 PM   #1
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Default G-tech Pass (1/4 run)

I need a better image hosting place, these cardomain pics are itty bitty. Here was a quick run today with the INTENSE PCM in INTENSE shifting mode.

14.542 @ 98.08mph

Reaction: 1.166s
60 ft: 2.282s
330 ft: 6.193s
1/8 mi: 9.445s @ 77.28mph
1000 ft: 12.220s
1/4 mi: 14.542s @ 98.08mph
0-60: 6.491s

Time to work on top end...





The sudden dip in performance between 4700 and 4800rpm concerns me. Other than that I need to play around with the weight some more to get more accurate numbers, but for the most part this is what I expected.
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Old 07-04-2004, 09:21 PM   #2
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What was your SSE at?
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Old 07-04-2004, 09:23 PM   #3
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I'd have to look up the numbers again on the G-tech, it was shy under 15.00s
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Old 07-04-2004, 09:47 PM   #4
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Wow... nice...

I've really got to get me one of those G-Tech things....
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Old 07-04-2004, 10:52 PM   #5
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Did you change your belt when you did the pulley? Could be belt slippage, or it could be the pcm dumping boost due to too much KR for sustained period.
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Old 07-04-2004, 11:11 PM   #6
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New belt on....maybe it is too much KR.
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Old 07-04-2004, 11:15 PM   #7
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Quote:
Originally Posted by Allmachtige
New belt on....maybe it is too much KR.
The shorter 715 belt?
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Old 07-04-2004, 11:17 PM   #8
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Yes.
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Old 07-04-2004, 11:20 PM   #9
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I'm bringing my autotap to rockford so we can test it then...
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Old 07-04-2004, 11:21 PM   #10
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Good idea, thanks. I may give a 5% overdrive alternator pulley a shot before then as well...so we'll see what changes happen there.
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