How do I get the top off this Holley carb?
#13
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This oddball Holley isn't at the top of my wish list either, but that's what I have for now.
I did find on the net that they were originally designed for Ford by Holley. Then Holley started making their own version later.
Anyway, got it apart and the insides look pretty good. No corrosion at all.
I think the primary power valve has a ruptured diaphragm. I squirted some carb cleaner into one of the 2 holes and it appeared to be leaking thru to the other side of the diaphragm. Didn't see any check valves to prevent power valve damage during a backfire. Must be pre 92.
The current power valves are 6.5's so I shouldn't have a problem finding them locally.
Does the power valve determination formula (manifold vac/2) apply to marine engines?
I haven't measured my vacuum yet, but I'm assuming it"s >13"...
I did find on the net that they were originally designed for Ford by Holley. Then Holley started making their own version later.
Anyway, got it apart and the insides look pretty good. No corrosion at all.
I think the primary power valve has a ruptured diaphragm. I squirted some carb cleaner into one of the 2 holes and it appeared to be leaking thru to the other side of the diaphragm. Didn't see any check valves to prevent power valve damage during a backfire. Must be pre 92.
The current power valves are 6.5's so I shouldn't have a problem finding them locally.
Does the power valve determination formula (manifold vac/2) apply to marine engines?
I haven't measured my vacuum yet, but I'm assuming it"s >13"...
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Does the power valve determination formula (manifold vac/2) apply to marine engines?
I haven't measured my vacuum yet, but I'm assuming it"s >13"...
I haven't measured my vacuum yet, but I'm assuming it"s >13"...