Holley 6299 on a 256 Merc

Posted By Bruce Compton 12 Years Ago

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Bruce Compton	Posted 12 Years Ago
Supercharged Group: Forum Members Last Active: 7 Years Ago Posts: 39, Visits: 2.0K	I have a Holley 6299 (with a power valve) to try on my 256 Merc.. It came with #49 mains and I'm thinking they will be a little lean. Has anyone tried one of these before and found the optimum jet size?? Thanks : Bruce
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Holley 6299 on a 256 Merc By Bruce Compton ( 12 Years Ago )

I see two versions of the List #6299 in the Holley Spec Manual... By Ted ( 12 Years Ago )

Bruce, Not what you asked but dump the Loadamatic distributor and... By pegleg ( 12 Years Ago )

I'd start looking for a 390 baseplate, sounds perfect for you 256.... By pegleg ( 12 Years Ago )

i may be all wet on this, but it seems as though I remember the 8007... By pegleg ( 12 Years Ago )