RPM Limit

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04-26-2007, 03:40 PM

Revitupfaster

Thread Starter

Join Date: Nov 2006

Posts: 447

RPM Limit

I just started my 2007 Monte SS (5.3 V8) and noticed the rpms are limited to about 3500 in the park position. Same thing in neutral. Is this nomal???

04-26-2007, 03:43 PM

Mrrench

Join Date: Dec 2006

Location:

Posts: 833

RE: RPM Limit

Yep
very normal
no load engine is set on most gm's at 3500 rpms....
Controled by the ecm

04-26-2007, 04:05 PM

Revitupfaster

Thread Starter

Join Date: Nov 2006

Posts: 447

RE: RPM Limit

Thanks Mike. Wasn't sure if it was normal or not.

04-26-2007, 04:28 PM

Revitupfaster

Thread Starter

Join Date: Nov 2006

Posts: 447

RE: RPM Limit

Funny, I just went out in my 2005 Silverado, again with the 5.3 V8, and it doesn'd have a limiter on the RPM. They must have just added the feature, or it's not on the trucks

05-07-2007, 03:35 AM

JK88SS

Join Date: May 2007

Posts: 8

RE: RPM Limit

that is the pcm they sell them at pfyc.com and also at ditigal horsepower the whole PCM is about $100 bucks if your looking for an upgrade thats reasonably cheap for the gains

05-08-2007, 01:28 AM

TrickRacin

Join Date: May 2006

Location: Ankeny, IA

Posts: 167

RE: RPM Limit

Quote:

ORIGINAL: Revitupfaster

Funny, I just went out in my 2005 Silverado, again with the 5.3 V8, and it doesn'd have a limiter on the RPM. They must have just added the feature, or it's not on the trucks

Nope trucks will free rev. I have noticed this on GM cars starting in like 92 Grand Prixs and Luminas. Just kind of a free rev limiter. The 60 deg motors must not like free reving to much