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  #5  
Old November 30th 04, 11:50 PM
scott and barb
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Sounds also like a bad fuel pump.Will idle (maybe) until you try to drive
it.Had a maddening problem like this years ago on a chevy 6.
"sdlomi2" > wrote in message
...
>
> "Joe6pak" > wrote in message
> news:715rd.17$Yp.10@lakeread01...
> > My 327 Chevy engine was running well, but I noticed that the fuel pump

had
> a
> > small leak, so I installed a new fuel pump. After installing the fuel

> pump
> > and cranking her up, the motor was shuddering like crazy, but then

> smoothed
> > out, however the shuddering resumed as soon as I put it in a foward

gear.
> I
> > reinstalled the old pump but the engine is still shuddering. The wierd
> > thing about this problem is that the engine will idle fine and will move

> in
> > reverse gear with no problem, but as soon as I put it in a foward gear,

it
> > shudders and stumbles wildly. If I put it back in neutral it idles fine,

> and
> > I can rev the engine way up without any problem.
> >
> > So far I have installed a carb kit (Edelbrock 600) and installed new

spark
> > plugs but still have the exact same stumbling and stalling problem when
> > foward gear is engaged. This thing has me mystified and I really would
> > appreciate any ideas anyone might have as to the possible source of this
> > problem. (Tranny is a 350TH).
> >
> > Thanks in advance for any advice.
> >
> >

> The cheapest/simplest thing that comes to mind and just a wild guess,

as
> learned from past work on hot rods: Check the transmission-to-engine

bolts.
> I've seen them work loose and cause the symptoms you mention. It does not
> sound like it has anything to do with the fuel pump, but just a

coincidence
> it happened right after you changed it. HTH, s
>
>



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