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help with map limit


daniel carter
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Map limit should be a little bit higher than the maximum boost you wish to run. It is a safety limit should the wastegate or control of fail.

If you are not running a turbo or supercharger then any value above atmosphere will be fine.

 

Simon

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Hi Daniel,

That is your MAP Value, 88 at rest is 'atmosphere' and at 50 your engine is pulling vacuum (<88) while idling.

If you are running a turbo or supercharger and were running upto 15psi boost (200kPa) you would set the limit just above that at 205kPa.

If you are running N/A then you don't need a MAP limit, and should set it to 110kPa, which you will not reach.

-Cameron

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