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GASWAGON · 06-19-2010, 01:59 PM

The hp of the engine isn't the problem. The lack of engine vaccum to open and close the doors etc on the factory a/c box is. Most high performance engines have a camshaft with more duration which equals lower vaccum. Try it and if it doesn't work well you can always install a vaccum can.

06-19-2010, 01:59 PM	#10
GASWAGON AMERICAN IRON ADDICT Join Date: Oct 2007 Location: MA Posts: 299	Re: High horse engines with factory A/C The hp of the engine isn't the problem. The lack of engine vaccum to open and close the doors etc on the factory a/c box is. Most high performance engines have a camshaft with more duration which equals lower vaccum. Try it and if it doesn't work well you can always install a vaccum can.