running rich?
07-31-2003, 02:49 AM
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running rich?
What are the typical signs of running rich? Ive got a b16 in a 97 hb and i have a vafc but havent got it tuned yet... any help is appreciated
btw anyone know of any good shops in gainesville, fl?
btw anyone know of any good shops in gainesville, fl?
07-31-2003, 03:46 AM
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Re: running rich? (im_poor)
yeah that was the first thing i was gonna do, but what are the signs to look for? what does white on the plugs, black on the plugs, etc... mean? thanks again
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07-31-2003, 11:56 AM
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Re: running rich? (joefuni)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by joefuni »</TD></TR><TR><TD CLASS="quote">yeah that was the first thing i was gonna do, but what are the signs to look for? what does white on the plugs, black on the plugs, etc... mean? thanks again</TD></TR></TABLE>
Black and dry is carbon deposits... usually from crappy gas... can be cleared up usually by changing the plugs and running some fuel injector cleaner like chevron techron...
White generally indicates running lean or hot. this is generally caused by bad fuel tuning.
Black and wet is oil and or fuel rich... this can be either bad fuel tuning or oil leakage/blow by.
here's a link to a site but frankly the pics suck and the info isn't all that great.
http://www.partsamerica.com/Au...n.asp
Black and dry is carbon deposits... usually from crappy gas... can be cleared up usually by changing the plugs and running some fuel injector cleaner like chevron techron...
White generally indicates running lean or hot. this is generally caused by bad fuel tuning.
Black and wet is oil and or fuel rich... this can be either bad fuel tuning or oil leakage/blow by.
here's a link to a site but frankly the pics suck and the info isn't all that great.
http://www.partsamerica.com/Au...n.asp
07-31-2003, 04:30 PM
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Re: running rich? (NonovUrbizniz)
thanks for the help guys, without getting on a dyno are there any safe timing specs to try? ive got a b16 w/ type r cams and valve train, stock bottom end... and some other bolt ons.
07-31-2003, 09:56 PM
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Re: running rich? (DISDICKBITCH)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DISDICKBITCH »</TD></TR><TR><TD CLASS="quote">black smoke out the tail pipe</TD></TR></TABLE>
or if you backfire and/or shoot flames that means your on the rich side.
or if you backfire and/or shoot flames that means your on the rich side.
08-01-2003, 02:28 AM
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Re: running rich? (blykins)
thanks for the help guys... no backfiring, no knocking/pinging... im gonna check the plugs here in a few and let ya know whats up...
08-01-2003, 03:39 AM
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Re: running rich? (joefuni)
i scanned the #2 spark plug... i know it doesnt show much but maybe you guys can see something i dont....
intake is advanced 5 degrees and exhaust is retarded 5
08-01-2003, 06:17 AM
#17
Re: running rich? (joefuni)
A. that's fouled... get new plugs... just get stock replacements
B. You're talking about cam timing... not ignition timing.
Those do look like either they're very old or you are running rich...
What ecu do you have? what fuel mods... any fpr or fuel pump etc... a chip maybe?
B. You're talking about cam timing... not ignition timing.
Those do look like either they're very old or you are running rich...
What ecu do you have? what fuel mods... any fpr or fuel pump etc... a chip maybe?
08-02-2003, 12:03 PM
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Re: running rich? (NonovUrbizniz)
chipped p28, no fuel mods.... i got a timing light and everything, but where are the marking to signifiy what the timing is set at... i see the red marks and white marks on the crank pulley but i dont know how to tell where 16 degrees btdc is...
08-02-2003, 01:14 PM
#19
Re: running rich? (joefuni)
16 btdc is the red mark on a inductive non-advance timing gun...or
16 degree setting on an advance timing gun is the red mark
depending on what type of gun you have.
of course only if cams and crank it all at tdc....hahahahahah
16 degree setting on an advance timing gun is the red mark
depending on what type of gun you have.
of course only if cams and crank it all at tdc....hahahahahah
08-02-2003, 01:16 PM
#20
Re: running rich? (joefuni)
put in new plugs and do a few runs and look at the plugs if they are stain that black
if so then your car is running
too rich or too timing too retarded..
if so then your car is running
too rich or too timing too retarded..
08-02-2003, 08:25 PM
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Re: running rich? (RoyFokker)
My Denso irydiums looked like that after a few days. I replaced them with normal copper NGK's and that problem is gone eaven though I know i'm running rich.
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