stan148 Posted May 21, 2012 Share Posted May 21, 2012 Just bought a 1990 xr2i, engine mods r 4-2-1 manifold full stainless and a k&n pannel filter. The car ticks over about 2k revs and when warm the revs constantly go up n down between 1.5k and 2k revs, also the engine sounds like its whistling. The only time it doesnt whistle is under acceleration. Any help would be much appreciated. Thanks Quote Link to comment Share on other sites More sharing options...
stan148 Posted May 24, 2012 Author Share Posted May 24, 2012 Bump Quote Link to comment Share on other sites More sharing options...
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