[DeTomaso] Holley Problem

[Ron Graves]

Right.  Listen to Jack.  My Holley-equipped Pantera never had this problem and I stood it on its nose many times.  There's a gasket, float, or power valve problem.  What model Holley is it?

---- {0} wrote: 
> In a message dated 3/31/08 8:30:31 AM, artstephens at charter.net writes:
> 
> > After the engine dies, it blows a little black smoke when I fire it up, so 
> > I figure it is flooding out.  How is that happening?  I don't understand how 
> > gas is getting out of the bowl and into the intake manifold?
> > 
> There's a couple of paths into the intake. For instance, a ruptured power 
> valve diaphragm, resulting in gas piddling into the engine whenever there's 
> vacuum. If your carb was built before about 1985, Holley did NOT include a power 
> valve-saving check valve in the carb base. And with a substantial pop, it can 
> still happen, or from simple old age or running your wonderful MTBE in CA gas 
> for a few years. Or, I've also found loose main jets in a carb or someone who 
> overhaulded a Holley and used a slightly-wrong gasket between the main body and 
> jet plate, which exposes passages that sholud be sealed off. But I'd bet on 
> the power valve. Good luck, Art- J DEryke
> 
> 
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