Still no difference in the rpm deal on my dakota.
Today I put a throttle stop on it to limit the TB to about 7/8 throttle, It
will now pull hard to rev limiter and is a lot stronger. I wonder if maybe
the throttle position sensor may have something to do with it.
Any thoughts from anyone!!!!!!
Colin
Vincent Heckathorn wrote:
> A while back I had posted a question on a problem I was having.
> The problem was that the engine ( 5.2 auto trans. ) would stumble get
> flat at about 4700 rpm then would continue to pull very slowly to the
> rev limiter. Everything that I have done has not changed this problem (
> Jet stageII, cat back, TB mods.,
> Open element air cleaner ).
> Tonight on the way home from work I was fooling around making some power
> runs and decided to open the throttle gradually rather than tromping to
> the floor to see if it would do the same thing, well to my surprise this
> thing pulled like a freight train and revved allot faster and from 4700
> - 5300 was so quick that I didn't have time to shift from 1st to 2nd. I
> tried this several times and it pulled the same every time. As long as I
> didn't put it to the floor from the get go and eased it up it ran very
> strong.
> If this thing would pull this hard while flooring off the bat the shift
> point could be raised up to about 5100- 5200 and this thing would be one
> fast truck.
> My question now is that could this problem be caused by the injector
> timing being off or maybe fuel pressure is to low?
> I am going to play with the distributor adjustment on saturday to see
> if moving it will make any difference.
> Also an update on my jet chip. I called the tech line about not feeling
> any improvement, he said that it will take a few miles for it to fully
> change any setting
> ( at least 30 or more ). Well I have to say that I have put over 150
> mile on it since installing it and man was he right, this thing runs
> much better now and gets about 2-3 more MPG.
> How about some thoughts on the RPM deal??????????????????
> Colin H.
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:09:21 EDT