On Fri, 18 Jul 2014 21:33:55 -0500, "Terry Coombs"
wrote:

Lloyd E. Sponenburgh wrote:
Randy fired this volley in
:

exhaust check put on a vacuum gauge, run at 3000 RPM vacuum should
hold steady, if it drops off look for blockage.

So, you're saying, if the EXHAUST gasses show a lower vacuum at speed
than the vacuum they create at idle, there's a problem?

Well! I'd say so!

Lloyd

I took it to mean intake manifold vacuum . If the exhaust can't get out ,
the new air charge can't get in ...

that's what I meant. Rust, crud or mouse nest in exhaust could do
it.
Remove 333 to reply.
Randy

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