Re: [FWDLK] Hesitation is depressing!!
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Re: [FWDLK] Hesitation is depressing!!



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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