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03-30-2007, 02:07 PM
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#1 |
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Registered Member
Join Date: Mar 2004
Posts: 73
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kickin and spittin
Hey guys, i was battling with this last year and now i am back at it this spring. I put in 24# injectors over the winter and it didn't change anything. When i hit about 3500rpm at WOT it starts kicking abd bucking and sometimes backfires. I can run it up nice and easy over 3500rpm, but not while i am hard on the throttle. I have a comp cam, cobra intake, 65mm throttle body, 24# injectors, and windsor jr. heads. any thoughts on what might be causing this issue? Also, i am running it at full advance, and i have tried letting the em auto advacne, but that doesn't work good at all. any thoughts are greatly appreciated. thanks
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03-30-2007, 10:46 PM
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#2 |
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Registered Member
Join Date: Dec 2006
Location: new york
Posts: 482
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Re: kickin and spittin
just a quick question did you change out the maf when u changed to the 24# injectors
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347 stroker all forged,arp everything,stud mains w/girdle,7qt pan,full roller, custom cam, aluminum heads swirl valves 5 angle valve job.quick fuel 750,areomotive pump,cobras w/nitto drags,and m/t et drags for the track, ford racing 373 gears,centerforce clutch,tko500,underdrive pulleys,bassani x-pipe,flowmasters ^best et so far 11.6 1.61 60ft coming soon 9sec et's  1992 mustang gt 2001 gmc 1500 4x4 78 century boat 92 skidoo |
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03-31-2007, 05:48 AM
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#3 | |
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Registered Member
Join Date: Mar 2004
Posts: 73
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Re: kickin and spittin
Quote:
O, sorry i forgot to mention that part. I am still running Speed density. It is weird, it seems like it would have changed soe with the large injectors, but it is the same exact situation. I put in a new regulator when all this started and didn't help at all. The only thing i have not checked is the fuel pressure on the rail. My rail does not have a fitting to be able to check the pressure. Do you guys no if i can put some kind of in line pressure fitting somehow? |
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04-06-2007, 07:21 AM
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#4 |
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Registered Member
Join Date: Apr 2001
Location: Gallatin, Tn
Posts: 1,326
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Re: kickin and spittin
What year car do you have?
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04-08-2007, 03:40 PM
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#5 | |
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Registered Member
Join Date: Mar 2004
Posts: 73
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Re: kickin and spittin
Quote:
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04-09-2007, 03:10 PM
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#6 | |
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Registered Member
Join Date: Apr 2001
Location: Gallatin, Tn
Posts: 1,326
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Re: kickin and spittin
Quote:
What do you mean when you say your running it at "full advance"? What is the timing set at right now? Are you pulling any codes?
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