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Re: Anyone using a RRFPR on a '99 9-3? Posted by 900 Aero [Email] ![]() ![]() In Reply to: Anyone using a RRFPR on a '99 9-3?, Jeff in ATL, Wed, 19 Nov 2003 06:38:27 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Hi Jeff, the later ('94-)Trionics management systems are not programed for and would be all but impossible to program for a rise in rate FPR. Todays sophisticated ECU's go way beyond our RRFPR's that work so good in the early Saab's. A standard FPR does rise with boost pressure like Dean says but at a 1 to 1 ratio not a rise in rate. Extremely sharp people like Brad and our friend JT stay away from a RRFPR even in an early application because the rise in rate even though fixed (ours are 1.67 to 1) are an unknown quantity for any fuel management system. We do have lots of these things out there on C-900T's and early 9000T's that work great but as I said not on the later cars! That said our new RRFPR's are both a rise in rate and a 1 to 1 (adjustable) depending on how the vacuum lines are connected and have an optional adjustment for the rise in rate itself. We are thinking of offering just a 1 to 1 FPR that's adjustable which wouldn't be all that expensive! Dave
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