1/4 shifting RPM??

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07-10-2010, 11:00 AM

#11

Jfsram

4th Gear Member

Join Date: Jan 2007

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Posts: 1,999

Some good advice in this thread. I have a stock 5L except for some external bolt ons like e fan, al driveshaft, 3.73's and exhaust.

In 4 runs I tried adjusting my launch on street tires and shift rpm. I spend the first 3 runs concentrating on the 60' and shifting at 5000rpm. On the 4rth run I shifted earlier at 4800rpm. My best from the 1st 3 was 13.7 @ 101. Last run was 13.6@102. I wish I had more time to experiment. So around 4800 is definately the magic number for a stocker.

07-10-2010, 08:41 PM

#12

dannyroblez

Thread Starter

Join Date: May 2010

Location: NM

Posts: 36

Quote:

Originally Posted by 1SVTLVR

Thanks for the incorrect and useless insight. Wouldn't be upset if you didn't post anymore.

+1 on that!

07-10-2010, 08:45 PM

#13

dannyroblez

Thread Starter

Join Date: May 2010

Location: NM

Posts: 36

Quote:

Originally Posted by Timspony

....shift at 5,500 rpms and go from there! What's the engine timing at?

I'm not sure, it's all stock i haven't messed with the timing. I think im gonna go ahead with JD's and jsfram's advice and try doing some runs in the 4800-4900 RPM range see how that goes.