Re: Engine questions

["Ryan Moore" <baradium@xxxxxxxxxxx>]

----- Original Message ----- 
From: "David Bongo" <dbongo@domain.elided>
To: "John Hofstetter" <hofs@domain.elided>
Cc: "IHC Digest" <ihc-digest@domain.elided>
Sent: Monday, June 16, 2003 17:48
Subject: Re: Engine questions


<snip>
>
> John,
>
> Thanks for the reply.  I'm going from "easy and cheap" to "hard and
> expensive" in solving this. See my previous reply to this list for the
first
> round. Would a single tank (or 2) of higher octane gas help?  Or would I
more
> likely have to switch over full time?  Wouldn't be worth it do that.  At
an
> estimated 8.3 MPG I'd use up a LOT more money by switching to a higher
octane
> gas.
>
> The spark plugs should be good.  The engine was rebuilt very recently and
has
> probably under 2000 miles on it.  (Under half of which are delivery.)
>
> If carbon is building up I'll want to fix that, though.  It can't be good
for
> the engine (even if it's not specifically bad.)
>
> Thanks for the help.
>
> Dave
>

At 8.3 MPG, you sure you don't have a fuel leak or something?

I'd try the timing, I've had an engine diesel before and retarding the
timing a little solved it.  Just because you can't hear the engine knocking
doesn't mean it's not advanced too far.  Just my humble opinion and 2 cents.

-Ryan