Re: Bog again
This sounds familiar, this happened to me once, twice, or more.
It's either clutching or fuel. What RPM does you clutch engage ? What max
RPM are you getting ? What are your EGT readings ?
----- Original Message -----
From: "Chas. Schlismann" <racegt6@...>
Sent: Wednesday, June 01, 2005 4:16 PM
Subject: [F500] Bog again
> Our bog is back, worse than ever and I'm having difficulty diagnosing the
cause. Everything is the same as last year except we installed a rebuilt
494. Some notes:
> WOT after turns rpm's drop BIG time, actually seems to improve somewhat
when fuel level is lower (though I may be compensating by adjusting my
driving). Top end seems to be OK.
> Tried richer and leaner and needle position changes. No effect. Carbs are
clean and appear to be functioning fine.
> Swapped primaries and belts. Tension, alignment and clearance is ok.
Secondary seems ok.
> Electronics were replaced last September.
> Crankshaft seal had oil under it one time, looked absolutely clean all