Re: Re: Re: what causes intake backfires?

From: scsilverdak (scsilverdak@hotmail.com)
Date: Sun Jul 06 2003 - 22:16:57 EDT


God do I know that feeling of having to wait for " the next round of mods"

heheeheheheheehhehehee.........

Ron-
Performance consultant
Muscletrucks.net
----- Original Message -----
From: "Dave Downing" <ded74@yahoo.com>
To: <dakota-truck-moderator@bent.twistedbits.net>
Sent: Sunday, July 06, 2003 10:03 PM
Subject: Re: DML: Re: Re: what causes intake backfires?

>
> Right now I have a 55mm F&B, 4bbl M1, HS 1.7 rockers & 3" exhaust.
Headers
> and true dual exhaust are going on next week, followed by a full Paxton
> setup. When the Paxton goes on it will be getting dyno tuned, so I'll
find
> out exactly what's up with the engine and what I need to do. I've been
told
> that the fuel setup that Paxton uses is awesome and should be able to
handle
> it just fine. Eventually there will be heads/cam/forged internals/more
> boost, but what I'm doing now should keep me happy for a lil while (it's
> gonna have to until I can save up for the next stage lol).
>
> -Dave
>
> ""Bernd D. Ratsch"" <bernd@texas.net> wrote in message
> news:000501c343eb$3ef51310$030aa8c0@homenet.com...
> >
> >
> > Dave,
> >
> > If you have access to a scanner (that shows STFT and LTFT), you can tell
> > what the engine is doing in regards to the fuel (rich/lean).
> >
> > What mods are on there right now? (Cam, heads, intake, TB, exhaust,
> > etc.).
> >
> > - Bernd
> >
> > -----Original Message-----
> > From: owner-dakota-truck@bent.twistedbits.net
> > [mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of
> > JAMEPC@aol.com
> > Sent: Sunday, July 06, 2003 11:10 AM
> > To: aol@dakota-truck.net
> > Subject: Re: DML: Re: Re: what causes intake backfires?
> >
> >
> > 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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