Re: [FWDLK] Hesitation is depressing!!

[Mike Apfelbeck <moparmike72@xxxxxxxxxxx>]

Neil,
Best not fool with that just yet, all you will be changing is the total
degrees of vacuum advance, not when it occurs. The usual cause of a part
throttle stumble is the accelerator pump, check that first. You could run
it down the road with the vacuum advance disconnected to see if it makes a
difference, be sure and check the ground wire on the distributor plate in
case it is breaking the connection when the vacuum advance moves.

Mike


At 12:14 PM 11/27/2004, eastern sierra Adj Services wrote:
> Does anyone have any experiece in adjusting a vacuum advance? H.'s got a
> "part-throttle-hesitation", a flat-spot, after he's already driving down
> the road, & the throttle's depressed.
> I understand that the V.A. can be adjusted, using  allen wrench, but the
> V.A. is a tad "remote" on the pre-B-block motors, so I don't wanna get
> involved in a big 'project', if there's not much ease/chance of
> adjustment without using a timing gun, or 'scope', etc.
>
> Would it  just be easier to replace the V.A.?
>
>
> BTW, H.'s got an electronic ignition, which has "required"  no
> maintenance, over the past decade. I just put  some oil in the
> distributor's
> 'oiler-fitting', but haven't driven him, since doing so. Is there
> another oil-fitting, inside the distributor?
>
> Neil Vedder
>
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