Ron Peterson writes:
>
>Help!
> ...(two pages of high idle symptoms ommited)
First thing to look for is a vacuum leak, a BIG one. Check the gulp valve,
brake booster and plumbing, and the manifold gasket. Also make sure the
manifold hasn't warped do to serious overheating. Where it bolts onto the
head, all five manifold runners should be in a perfectly straight line.
Improper maintanance procedures commonly cause them to bend between the
#1 exhaust and intake runner.
Once you find and fix the point where the excess air is getting in, then
you need to find where the extra fuel is coming from.
On the timing, one or more of three things:
1> the marks on the pulley have walked. (common on 77-> B's)
2> the centrifugal advance is seized.
3> It has an improperly setup Allison.
Which ever of the above it is, we can fix it.
Randy
randy@taylor(.uucp)
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