228R Shift Point?
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Teching In
Joined: Jul 2010
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From: Cresco, IA
228R Shift Point? I have a 2001 M6, Stock bottom end (stock rod bolts too). Have Long Tubes, ORY, Catback, Ram Air Lid, HPTuners self tuned, other misc things like suspension. I'm installing 799 heads, and a TSP 228R cam with PAC .600 springs over the next couple days.
I was wondering, what RPM should I be shifting at? Right now my rev limiter is set at 6300rpm and on the stock cam I've always shifted at 6000rpm. Should I bump the limiter up and shift at 6400? 6500? What is a safe RPM to take the engine to?
Thanks
I was wondering, what RPM should I be shifting at? Right now my rev limiter is set at 6300rpm and on the stock cam I've always shifted at 6000rpm. Should I bump the limiter up and shift at 6400? 6500? What is a safe RPM to take the engine to?
Thanks
Joined: Aug 2007
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From: Turnin' Wrenches Infractions: 005
6400 would be nice with the limiter set at 6600. That doesn't mean you need to run that rpm every time you go WOT but I would want the headroom incase I needed 100%.
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From: Corpus Christi
first you need to find what rpm your hp is peaking at, then try to stay in that area while shifting and accelerating. what I do since my peak HP is 6200 I set my shift light at 6000, because by the time I react and shift I'm about 6400. my rev limiter is set at 6600. stock block. only way to find your peak HP/RPM is on a dyno.
Thread Starter
Teching In
Joined: Jul 2010
Posts: 37
Likes: 0
From: Cresco, IA
first you need to find what rpm your hp is peaking at, then try to stay in that area while shifting and accelerating. what I do since my peak HP is 6200 I set my shift light at 6000, because by the time I react and shift I'm about 6400. my rev limiter is set at 6600. stock block. only way to find your peak HP/RPM is on a dyno.
It sounds like I will set my rev limiter to 6600 or so. But does anybody know if there is a "safe" limit as to what RPM you should rev an 01 to?
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12 Second Club
Joined: Mar 2005
Posts: 1,498
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From: Corpus Christi
Speaking of that. I really need to get a shift light put inside one of my air vents or something. Do you find yours really helpful?
It sounds like I will set my rev limiter to 6600 or so. But does anybody know if there is a "safe" limit as to what RPM you should rev an 01 to?
It sounds like I will set my rev limiter to 6600 or so. But does anybody know if there is a "safe" limit as to what RPM you should rev an 01 to?
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