At 09:37 PM 09/05/2002 -0400, Tab Julius wrote:
>My '78B has an enhanced (high-performance) engine with O/D that I run with
>high-octane fuel. 93 octane is the best I get here short of going to the
>airport.
>
>I have noticed, with at least a half-tank (the gauge isn't great, but it's
>not that far off) that occasionally - like every couple of days, and I
>drive it constantly - I'll be going along, and then I'll get a sudden loss
>of power. The tach seems to be okay - unchanged, not plummeting - but it's
>like I have a fraction of the power I should have, and the car will
>eventually vibrate if it gets worse enough. It'll last, typically, for a
>minute or two - I might have to pull off to the shoulder - but then it will
>eventually work its way back to normal and I continue on my merry way. On
>rare occasions I'll get two or three incidents within a 10 minute period,
>but generally it's just one incident and that's it.
>
>I originally thought maybe there was water in the fuel tank, but I've since
>been trying to buy from different sources and have added dry gas. It can
>happen whether on an incline, a descent, a flat run, and invariably after
>I've been driving for a good while, and speed doesn't seem to matter - it
>could hit whether going 30 or 60 or 70.
>
>Any thoughts? I was thinking originally a fuel delivery problem, but now
>I'm not so sure. Flaky coil?
>
>- Tab
>
Had a similar problem with my TF after rebuilding the head. The bronze
guides didn't have enough clearance and would seize. If I pulled over for a
second ,the engine would recover and be fine. Drove me crazy until the
problem was found.
Mike
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