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911st 911st is offline
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Join Date: Jan 2004
Location: Sacramento
Posts: 7,269
I suspect it is a matter of limits.

I think the Porsche tt runs a 3.8 bar FPR and there is a 5 bar replacement available for higher Hp applications.

Also Bosch Motorsports makes FPR's up to 10 bar. Probably way to much.

If stock it 2.5 the 3.8 is 50% larger and at one bar might run up to 70psi.

One last thought, with higher pressure might come better atomization.

Last edited by 911st; 05-06-2010 at 09:00 PM..
Old 05-06-2010, 08:45 PM
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