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more low end, peak hp down 14

February 11 2018 at 8:35 PM

WerbyFord  (Login werbyford)
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Response to Effects of too much cam advance?

Chilly,
I had your combo in the Gonkulator database already.
Gonk says, at 4 advance or 106 ICL
Torq 340 at 2000
Torq 444 at 3800
Powr 409 at 5200 gross, 350 net, 312 rwhp, close to what you saw.

1.93
8.61 at 82.2
13.41 at 103.6
Geez, I'd be happy with that from a 2-ton street Merc!

Ok now lets advance it 4 MORE degrees to 102 ICL
Torq 349 at 2000 +9
Torq 438 at 3700 -6
Powr 395 at 5100 -14

1.94
8.65 at 81.6
13.49 at 102.8

So yes, it was advanced "too far", but I'm not sure I would feel that with the buttmeter, less than a carlength diff.
Mainly with that much advance you risk more spark knock down low.

 
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