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fuel prob on ls/vtec

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Old 02-25-2003, 08:51 PM
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Default fuel prob on ls/vtec

well i have 370cc inj and a walbro 190. i have a stock filter (dont think that matters) but when i put it in gear and accelerate above a certain RPM (around 3K or so) the rpms drop back down, the pedal goes dead. me and a friend did some adjusting of the FPR and couldnt seem to get it right. now i have 2 big aftermarket fuel accesories, so should i set my fuel pressue lower than stock so i wont be getting too much.?? what else could be this problem. timing is good. wires are all hooked up. only loose line is the pcv line ( that couldnt be the prob, could it).

here is the motor setup : ITR head, P&P JUN3 head package. LS bottom end, bored to 84mm 11.5CR. GSR water and oil pump.


[Modified by baonest, 12:56 AM 2/26/2003]
Old 02-26-2003, 05:31 AM
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Default Re: fuel prob on ls/vtec (baonest)

=
Old 02-26-2003, 11:21 AM
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Default Re: fuel prob on ls/vtec (baonest)

gas smells good
Old 02-26-2003, 01:46 PM
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Default Re: fuel prob on ls/vtec (baonest)

370 might be a little much. I read that a lot of guys are using 310's on built crvtec's. I am just using the oem injectors, 255 h/o pump, and 55 idle fuel pressure and my crvtec seems to be fine as long as the pedal is on the floor when accelerating.

Maybe this will help you a little bit.
Old 02-26-2003, 02:01 PM
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Default Re: fuel prob on ls/vtec (Jeff C)

good deal.. thanx for the info. arent the stock injectors 270cc?? or is it 290cc. thanx
Old 02-26-2003, 02:13 PM
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Default Re: fuel prob on ls/vtec (baonest)

240...
Old 02-26-2003, 02:24 PM
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Default Re: fuel prob on ls/vtec (Jeff C)

wowzers.. im in over my head with fuel. lol. i might try some stock injectors to see what happens.

thanx again
Old 02-26-2003, 02:26 PM
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Default Re: fuel prob on ls/vtec (baonest)

Thats what I was thinking. Its probably like the Niagra Falls of fuel into the intake side.

N/P. Hope it helps.

EDIT: Maybe try to use some Prelude VTEC injectors...I believe that they are 290.


[Modified by Jeff C, 6:27 PM 2/26/2003]
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