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Who's right : Merc or Dennis Moore?

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Old 04-30-2004, 10:40 AM
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Question Who's right : Merc or Dennis Moore?

I have been trying to fine tune the advance curve for my 383 (rebuilt Merc 5.7L) with the V8-22A, V8-24 and V8-HP TBIV modules.

Just discovered this morning that DM's book at page 192 lists the EXACT OPPOSITE curves for the V8-22 and V8-22A modules that are listed by Merc in Service Bulletin 95-11 And the difference is somewhat significant: according to Merc, V8-22 has 22* all in by 3400 whereas V8-22A has 22* all in by 4500.

Anybody know who is right? Yeah, I know how to check it when I get to the boat, but that's not til next weekend?

Also, does anyone know what Merc says the curve looks like for the V8-HP?
 
Old 04-30-2004, 12:15 PM
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Ask Dennis Moore. He has a website but I don't know what it is. Someone on the site will know I'm sure.
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Old 04-30-2004, 12:21 PM
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Originally posted by Kidnova
Ask Dennis Moore. He has a website but I don't know what it is. Someone on the site will know I'm sure.
dennis moore
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Old 05-01-2004, 04:13 AM
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I don't know who's right, but I have found several errors in my Merc manual.

You can check the advance of each one with an adjustable timing light.
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