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Rough idle and black smoke after fitting reco head??? 


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 Post subject: Rough idle and black smoke after fitting reco head???
Posted: Wed Jun 18, 2008 7:35 pm 
Getting Side Ways
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Age: 30

Posts: 721

Joined: 31st Dec 2005

Ride: EF V8 Futura, 180sx

Location: Brisbane, Burpengary
QLD, Australia

Hey guys

i just replaced my cylinder head and ive got a rough idle.

When at idle it smokes black white black and misses but here and there the idle smooth out but 95% of the time it rough.

I checked the plug gaps and there all good. havnt checked the leads. yet.

i checked the timming chain and line up the crank to tdc and the the cam gear sits about 5mm to 7mm above the top of the head. i thought it had to be alight excactly but guy at work told me it was right.

while the car is driving you do feel the engine is slightly restricted but when over 3000rpm no problems at all no misses nothing.

anyone got any suggestions????



Ford EF Futura Black
18" koya Strykers, AU engine with port and polish EB head, crow valve springs, standard cam, Large aftermarket RX7 turbo, T5 manual 3" intercooler piping, 600x300x100 intercooler core, MSII with innovate wideband O2 sensor and guage. BA F6 bodykit

Posted: Wed Jun 18, 2008 7:42 pm 
Stock as a Rock
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Age: 39

Posts: 124

Joined: 5th Apr 2006

Gallery: 3 images

Ride: FB wagon

Location: adelaide
SA, Australia

Check that the vacuum pipe is on the map sensor.
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