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https://www.nopistons.com/forums/index.php?...=ST&f=9&t=17487
Original problem, installed 720 and car ran lean on low boost, don't thnk i had enought fuel flow to support 2 720s and 2 1600s. Probably need a AFR. Second problem, Swap back to 550 primaries. Car hesistted on vaccum and idle. Now this one took me a day to figure out. Care to guess what it was?? I feel so dumb https://www.nopistons.com/forums/pub...1047683358.gif |
did you have the injectors mixxed up?
mike |
FPR not connected to vacuum source?
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a chicken in the intake? do tell
mike |
yeah don't be a tease.
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LOL I'll wait till vosko answers at least.
https://www.nopistons.com/forums/pub...1047683358.gif https://www.nopistons.com/forums/pub...withstupid.gif |
dammit where is vosko?
mike |
forgot to install injector o-rings?
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Intake gasket?
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I should of known. Is was kind of obvious.
Remember I had put in bigger injector in the primaries 720s, which suppose to bring more fuel and run richer but ended up leaning out at low boost? Probably not enought flow from pump or stock FPR could not compensate. Then i came back and swap back the 550cc, no leaning out but hesistated mostly on vacuum? I thought it was the alternator, but the alternator gave me clues actually. C https://www.nopistons.com/forums/pub...1047683358.gif |
wiring for cas again?
that is my final answer |
LOL
Ok. quick and simple. Went from 720s back to 550s. OK. I had burq 9s spark plugs in the leading spots. You guessed it. The sparks plugs fouled from the massive change in gas it had before. THe 9s can't clean themselves as good as the 7s can. 9 being colder. I was taking a voltage reading and the voltage jumped everywhere from 14 to negative something. IT was weird, I had a feeling and unplugged the leading coil power and the car idle fine and the voltage back to normal. I guess the voltage had no where to go than back track. Went to pepboys, got some sparks plugs. Got some 7s to go with it this time. Bang is works. and idles even smoother and boost so much faster https://www.nopistons.com/forums/pub...IR#>/smile.png I did have a little help from my dad. See how simple it was, i didn't think of it https://www.nopistons.com/forums/pub...1047683358.gif I hope this makes sense |
wow...
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Originally Posted by turborotor' date='Apr 29 2003, 08:27 PM
LOL
Ok. quick and simple. Went from 720s back to 550s. OK. I had burq 9s spark plugs in the leading spots. You guessed it. The sparks plugs fouled from the massive change in gas it had before. THe 9s can't clean themselves as good as the 7s can. 9 being colder. I was taking a voltage reading and the voltage jumped everywhere from 14 to negative something. IT was weird, I had a feeling and unplugged the leading coil power and the car idle fine and the voltage back to normal. I guess the voltage had no where to go than back track. Went to pepboys, got some sparks plugs. Got some 7s to go with it this time. Bang is works. and idles even smoother and boost so much faster https://www.nopistons.com/forums/pub...IR#>/smile.png I did have a little help from my dad. See how simple it was, i didn't think of it https://www.nopistons.com/forums/pub...1047683358.gif I hope this makes sense mike |
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