Fuel pressure spec on the RS2 is 3.8 to 4.0 bar, so in theory, it should run perfectly fine with a 4bar regulator. Lambda feedback should keep it at stoich with ease. Strange how some experience problems with such a minimal increase in flow.
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1995 RS2 on Alcohol (6.8sec 100-200km/h)
1994 80E Avant
1986 2L Golf 2 on Alcohol -
Yep and spec on ABY/AAN FPR is 3.8 - 4.2 bar....
I think on GT500s car that maybe something else was contributing to the problem.Paul Nugent
Webmaster http://S2central.net
Administrator http://S2forum.com
1994 S2 Coupe ABY - aka Project Lazarus
2001 A6 allroad 2.5TDi - family tank
2003 S4 Avant 4.2 V8 - daily burble
Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)
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It says in the factory manual running pressure is 3.8 bar to 4.0 bar.
My old fpr was doing 4.0 new one 3.8.
Not had any fault codes since changing it..
Rob..
94 RS2 Noggy,LHD,MTM map,18"cup 1s,245/35/18,Bilsteins,RS2 H&Rs,Cup splitter.
87 UR 20v ABY
97 S6 Avant
96 A6 C4 2.5 TDI quattro avant,Ming,Wietec/eibach,chipped
1967 Ford Mustang,Eleanor,460ci v8Comment
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