I agree with Ron, "It may be running lean now....." but of course you would
confirm that before getting bigger injectors. Most trucks with modded trucks
run fine with the stock injectors. I've heard more stories of people getting
bigger injectors just to find out they're running rich. But that may be
because it more likely to post negative news for help than successful news.
James
In a message dated 7/6/2003 6:30:23 AM Eastern Standard Time,
scsilverdak@hotmail.com writes:
> Dave-
>
> It may be running lean now...........
>
> You may want to consider upgrading the fuel system with a set of the Lincoln
> Navigator injectors.
>
> Ron-
> Performance consultant
> Muscletrucks.net
> ----- Original Message -----
> From: "Dave Downing" <ded74@yahoo.com>
> To: <dakota-truck-moderator@bent.twistedbits.net>
> Sent: Saturday, July 05, 2003 11:37 PM
> Subject: DML: Re: what causes intake backfires?
>
>
> >
> >>Does anyone know what condition would cause intake backfires? would it
> be
> >a
> >>condition of retatrded or advanced timing? or could it be lean fuel?
> >possibly a
> >>vacuum leak? I am experiencing major hesitation off the line (engine
> bogs
> >>almost to a stall) and intake backfiring.
> >>
> >>Any suggestions welcomed
> >>
> >>John S
> >
> >I'm getting the same thing in my R/T ever since I installed the 55mm F&B,
> >4bbl M1 &1.7 rockers. Also changed the cap/rotor and plugs at the same
> >time. Anyone know how you check for a vaccuum leak? I was thinking that
> >maybe it was cause I'm getting so much air and the pcm is trying to add
> too
> >much fuel. I was going to wait until I got the headers and dual exhaust
> on,
> >hoping that those would lean it out a bit and see if it got better.
> >
> >-Dave
> >'02 FR RC R/T
>
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