Jetting calculators

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Jan 27, 2009 | 04:45 PM

JZHeyde

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Jetting calculators

How accurate do you guys think the jetting calculators are out there on the net? I have a single stage cross plate from Holley and want to jet it at around 250hp. There are two fuel jets and two nitrous jets. What kind of numbers are you guys getting for nitrous and fuel jets?

I am concerned that the calculators on the net are not accurate and want to be as close as I can.

Does anyone have any experience with this type of plate on an LSX car with the GMPP intake and a holley TB?

Thanks.

Jan 29, 2009 | 01:06 PM

Nitro Dave's Nitrous Outlet

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From: Waco, TX

I would call Holley directly and ask them for suggested jetting. Sometimes the jet calculaters can be close but nothing is better than the factories flowed jetting.
Dave

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