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if the battery has started to get weak (and the cold will highlight this) then the alternator will be under extra electircal load just after startup. This can cause a little belt slip
Tom's got a good setup on his car. SHOCKING gains :eek:
I called him a liar at first when he told me the before and after from the dyno testing LOL. Finalising a kit AFAIK. await confirmation ;)
not run one of my own. That's the next stage ;)
Fitted many sets, and maintained the cars too. Bex ITB'd 172 for instance does much better than standard MPG, and has done 204bhp on different dynos.
Who's the mapper?
Chadil do a DCOE manifold for the F4R. Quality is pretty questionable with most chadil stuff though. That looks like a chadil manifold you have with the bodies
mi16 inlet port is 40mm and round though, as are the runners on the stock Mi16 inlet manifold. Different engine.
40s on an F4R wouldn probably still give gains as you say, just not optimal. Seen ITBs on an F4R that are too small and it hold back the top end significantly. Still makes power...
put it back on diagnostics and look at the mVolt readings for the lambda. pre-cat should cycle between 0 and 1000 (give or take, in reality is'a about 40-900) if it's not cycling, or not going full range the sensor is suspect. Wont normally pick up a code for that either