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#1
09-25-2006, 05:55 PM
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rpm shift?
well my reprogrammed pcm shifts at 6200-6300, is that too much? stock internals and stock tranny. thanks.
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2001 Grand Prix GTP(daily driver) -cold air intake -slp headers -u-bend delete -reprogrammed pcm -autolite 104's -3.4 ZZP 1988 Chevrolet S10<--4-SALE PM me> -H.O. 305 -crane cam(272 dur. .454 lift) -570 street avenger -th350 with shift kit and hurst floor shifter -edelbrock performer rpm intake -double roller timing chain -hedman headers -true dual 2.25" with dynomax mufflers 15.1 @ 98 mph  <-- lol i need traction(factory one wheeler peeler)
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#2
09-26-2006, 03:42 AM
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Re: rpm shift?
Did you ever check to see who re-programmed your PCM? Was it DHP, Intense or did the prior owner use a PowerTuner?
The stock WOT, tranny in D shift points are set for 5800 rpms. PCMs programmed for Stage 1 mods are set to shift around 6000 rpms and that is with performance shift on. So if you are shifting 6200-6300 it is high for a stock engine. My Intense PCM is programmed to shift at 6200 rpms and rpm cutout is 6500 but I customed programmed for 1.8 roller rockers and my other mods. Therefore you have some form of Stage 2 programming. Do you notice any valve float at those rpms?
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'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines
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#3
09-26-2006, 08:58 PM
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Re: rpm shift?
it is a factory pcm reprogrammmed by powertuner.
no i did not notice any valve float at all, or any out of ordinary for that matter. it winds right up to 6200-6300 very quickly like it should shifts, and winds back into with no shifting problems or motor issues. im just wondering shoudl it couase any long term issues?
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2001 Grand Prix GTP(daily driver) -cold air intake -slp headers -u-bend delete -reprogrammed pcm -autolite 104's -3.4 ZZP 1988 Chevrolet S10<--4-SALE PM me> -H.O. 305 -crane cam(272 dur. .454 lift) -570 street avenger -th350 with shift kit and hurst floor shifter -edelbrock performer rpm intake -double roller timing chain -hedman headers -true dual 2.25" with dynomax mufflers 15.1 @ 98 mph <-- lol i need traction(factory one wheeler peeler)
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#4
09-27-2006, 11:07 AM
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Re: rpm shift?
It probably won't hurt but I wouldn't make a habit of WOT/pedal to the metal. The SII 3800 valvetrain is fairly reliable and resilient.
BTW - But as a friendly reminder just remember what happened to your other engine.  Good luck.
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'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines
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#5
09-27-2006, 02:15 PM
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Re: rpm shift?
uuummmm. You better set your shift points back to stock. You dont have a CAM with 105lb springs or 1.8 ratio rockers or higher with 90lb springs. You not producing any power past 5400 RPMs. I would fix that ASAP otherwise you car will be hurting. I have 1.8 roller rockers and I have my 1-2 shift set to 6000 RPMs and the 2-3 shift set to 5800 RPMs. Unless you buy a VS or XP Cam you DO NOT want to set those shift points set that high. If you have the Power tuner there is a way to set your RPMs back to stock. I think you go to the RPM section and right click and set all back to stock / original.
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 2004 GTP 3.2 MPS, FWI 9 inch K&N, ZZP motor mounts mandrel bent 2.5 inch exhaust w/ flowmaster 40s, resonator delete, 3" DP w/o CAT, MSD coil packs Autolite 104s, Autometer Boost Gauge, DHP Power Tuner, S&S Ceramic Costed Headers, W-BDY Store STG III IC, Hawk PADS Power Slot Rotors, 1.8 Roller Rockers, 90lb Springs, LQ4 MAF 14.5 stock w/ 2.2 60'
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