WOP'R Posted August 28, 2009 Share Posted August 28, 2009 New to s30 or even Nissan for that matter first and for most. I just bought a 75 280z with an 81 L28et swapped in and running (sorta) i fixed some leaks and such and finally took it for a boot for a few spins around the block. it drove well but was completely gutless. I could hear the turbo spool but my sisters tercel had more guts! I bring it back home and i fix another oil leak i found, once again took it for a test spin. Once again gutless (of course as i changed nothing) but when i went to shift into 3rd gear the car stalled out and died. I tried to start it up a few times but it wouldnt fire up. took out the plugs and they were wet with fuel (most likely from trying to crank it over). the next day comes, i put the plugs back in and tried to start it. It fired up once i gave it some gas, the idle was horrible and would only stay running if i revved it. On top of that a huge cloud of gray smoke started coming out of the exhaust. im getting fuel and spark so could it be timing? From reading a haynes it states that i need to re possession the crank angle sensor in order to adjust ignition timing?! the bolts where on tight so how could it have moved. Also how to i go abouts adjusting this form of ignition timing. Just move it around till it runs ok??! One other thing. It seems like i could loosen the bolts of the dizzy and adjust it. If according to the manual i cant adjust timing with the dizzy then why does it look like i can turn it a few degrees? im pretty confused with this and any help would be great Quote Link to comment Share on other sites More sharing options...
Rustyfriend Posted August 28, 2009 Share Posted August 28, 2009 I suggest that you can ahold of a timing light and see what your timing is as. From there adjust it to spec by turning the distributor. Quote Link to comment Share on other sites More sharing options...
WOP'R Posted August 28, 2009 Author Share Posted August 28, 2009 I suggest that you can ahold of a timing light and see what your timing is as. From there adjust it to spec by turning the distributor. So even though the manual states not to touch the dizzy i should adjust it? how can i tell what and N/A dizzy looks like compared to a turbo? Secondly without me on the gas the car will not run so adjusting the ign timing is tough:icon51: Quote Link to comment Share on other sites More sharing options...
sweetleaf Posted August 29, 2009 Share Posted August 29, 2009 Yes you need find and fix the problem first. Since timing probably didn't change. I would run a compression test first. I would also check the fuel pressure. The grey cloud of smoke probably means it has a blown head gasket. Quote Link to comment Share on other sites More sharing options...
HowlerMonkey Posted August 29, 2009 Share Posted August 29, 2009 Sounds like his cylinder head temp sensor is either failed or the connector is not making a good connection. It's that injector looking connector near spark plug #5 Quote Link to comment Share on other sites More sharing options...
WOP'R Posted September 1, 2009 Author Share Posted September 1, 2009 it was the AFM. it keeps getting stuck open. as it turns out though my timing is off by a good bit. Also the PO removed the idle control valve located on the throttle body and JB welded the opening. Is this a common practice when modding these turbo engines? Quote Link to comment Share on other sites More sharing options...
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