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Author Topic: Up my rev limit??  (Read 2942 times)

Offline ju571n

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Up my rev limit??
« on: 09 February 2013, 18:01 »
Evening all..

Just wondered if any of you knowledgeable lot know how I can raise my rev limit..?

Its an 8v with a crossflow head that's been worked, and everything else associated.

Thanks in advance.
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Offline tweed

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Re: Up my rev limit??
« Reply #1 on: 09 February 2013, 18:42 »
Why do you want it raised?

 Get it on a rolling road and only if peak power is made at rev limit should you raise it.

Man thing to shift the power curve is the cam, changed that?
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Offline ju571n

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Re: Up my rev limit??
« Reply #2 on: 09 February 2013, 19:37 »
Yup, got the cam, adjustable pulley, flowed head, all ti gear. Lightened fly, bike carbs... think it would be making peak power at top end of my rev limit... Open to being told otherwise.
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Offline Khare

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Re: Up my rev limit??
« Reply #3 on: 09 February 2013, 20:13 »
Doubt it. My old cammed 8v made power only a few hundred rpm after standard. Get it on a dyno and see  :smiley:
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Offline ju571n

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Re: Up my rev limit??
« Reply #4 on: 09 February 2013, 20:34 »
Ok chaps.. No harm in asking.  :cool:

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Offline tweed

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Re: Up my rev limit??
« Reply #5 on: 09 February 2013, 20:47 »
Fair play might be worth a extra 1000 rpm but you'll need to change valve springs I would of thought.
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Offline ju571n

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Re: Up my rev limit??
« Reply #6 on: 09 February 2013, 20:52 »
Its all ready for it Tweed, heads good for well above standard.  :smiley:
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Offline tweed

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Re: Up my rev limit??
« Reply #7 on: 09 February 2013, 21:38 »
Get on it then buh. Sounds like you need a chip and map to get the best from it but fear the gain won't be worth the money.
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Offline ju571n

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Re: Up my rev limit??
« Reply #8 on: 09 February 2013, 21:53 »
I'm debating putting it on megajolt and plumbing the TPS on the carbs so.... Would that deal with the rev limit for me? Not to knowledgeable about the standalone management stuff if anyone can help? Logical money has gone out of the window.. Would have been as cheap to put a 20v in it by now. I want it set up as best I can?  :smiley:
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VW BUSH

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Re: Up my rev limit??
« Reply #9 on: 09 February 2013, 23:15 »
Need to stick it on a dyno to see where you are and if you need to raise it, have you set up the vernier properly?
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