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At What RPM are you shifting H/C & Cam only Cars?

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Old 05-05-2003, 08:23 PM
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Default At What RPM are you shifting H/C & Cam only Cars?

At what RPM are you shifting your H/C or cam only car (M6 or A4). What do you think the max RPM should be for a stock bottom end?



























Old 05-05-2003, 08:33 PM
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Default Re: At What RPM are you shifting H/C & Cam only Cars?

I shift my car at 6400. I chose my cam for that reason. It peaks at 58-5900 and still makes over 400 hp/tq at the wheels.
Old 05-06-2003, 01:45 AM
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Default Re: At What RPM are you shifting H/C & Cam only Cars?

Between 6600 and 6700 here. A buddy shifts at 6800. Both M6's and both stock bottom ends.
Old 05-06-2003, 07:44 AM
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Default Re: At What RPM are you shifting H/C & Cam only Cars?

I've reset my limiter to 6600rpm and I've gotten my best times shifting as close to that as I can without hitting the limiter.
Old 05-06-2003, 08:10 AM
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Default Re: At What RPM are you shifting H/C & Cam only Cars?

Do you have a dyno sheet? Bowling has a program that will calculate the optimum shift points factoring tire,tranny,rear and your dyno graph.
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Old 05-06-2003, 08:47 AM
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Default Re: At What RPM are you shifting H/C & Cam only Cars?

cam only I shift at 6450-6500... with heads I may go to 6600
Old 05-06-2003, 11:48 AM
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Default Re: At What RPM are you shifting H/C & Cam only Cars?

I'm shifting at 6600 now, but waiting for the dyno session to tell me where I should be shifting. Rev-limit is now at 6800. May go higher as I now have a forged bottom end.
Old 05-06-2003, 01:58 PM
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Default Re: At What RPM are you shifting H/C & Cam only Cars?

Cam only... I have my shift light set at 6500rpm. My car peaks at about 6300.
Old 05-06-2003, 03:38 PM
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Default Re: At What RPM are you shifting H/C & Cam only Cars?

On a street strip LS1 with heads/cam I recommend most folks to not go much over 6600. And over 6800 with the stock bottom end is jsut asking for it.

I have gone to 7000 and over many times with little or no probs... but many folks have gone that high and suffered severe engine damage after a while.

...6600 is as high as I would recommend for most folks.




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