Exhaust system question

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11-24-2017 | 01:34 PM

#11

getrdunn

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From: NW Michigan

Quote:

Originally Posted by vintage chromoly

That's some big duration for a marine cam.
high compression and race fuel?

Possible large cubic inch build 598-632. I would imagine his cam card will tell the tale on correct overlap. Otherwise one wicked cam! Lol..

11-24-2017 | 01:49 PM

#12

Single cat

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The over lap it 42. And yes they ate 600 ci super charger engines with a good amount of boost and a decent amount of RPM.

11-24-2017 | 02:38 PM

#13

getrdunn

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From: NW Michigan

Make sure you post a video of those bad boys running. Also you'll want to be dry to the tip.

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