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Old 11-07-2015, 08:18 PM   #1
Dick Butler
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Default Where do Sealed motors run?

Wanted to see rules, tracks that participate etc in the sealed motor class. Not IHRA or NHRA. NMCA? Thanks
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Old 11-07-2015, 08:56 PM   #2
Nitro Joe Jackson
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Default Re: Where do Sealed motors run?

around my neck of the woods mostly all the dirt tracks (Wayne Co Speedway, Hilltop Speedway, Attica) have classes for those, none in drag racing that I know of.
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Old 11-07-2015, 09:49 PM   #3
Mike Pearson
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Default Re: Where do Sealed motors run?

Pretty sure it's a round track thing.
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Old 11-07-2015, 10:02 PM   #4
Albert Lee
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Default Re: Where do Sealed motors run?

NMCA Chevrolet Performance Stock and Chevy LSX series with 525 hp LS sealed crate motor. Heads up - low 10's. Also NMRA Mustang deal.

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Old 11-07-2015, 10:13 PM   #5
Stephen & Horace Johnson
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Default Re: Where do Sealed motors run?

Nmra coyote stock. Very good class
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Old 11-08-2015, 09:59 AM   #6
Dick Butler
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Default Re: Where do Sealed motors run?

Thanks, I will look up their schedule and rules...
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Old 11-08-2015, 11:01 AM   #7
Tom Meyer
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Default Re: Where do Sealed motors run?

IMCA dirt track uses a sealed 350/355hp motors in hobbystock and sportmod classes or what they call a 602 crate. They come from GM with twistoff head, intake, oil pan and timming cover bolts. They also have cable ties on other bolts that make them IMCA legal. They also use a 604 in the A mods. But like everything else it who you know there are many enhanced motors out there. Tom
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Old 11-08-2015, 11:12 AM   #8
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Default Re: Where do Sealed motors run?

Quote:
Originally Posted by Tom Meyer View Post
IMCA dirt track uses a sealed 350/355hp motors in hobbystock and sportmod classes or what they call a 602 crate. They come from GM with twistoff head, intake, oil pan and timming cover bolts. They also have cable ties on other bolts that make them IMCA legal. They also use a 604 in the A mods. But like everything else it who you know there are many enhanced motors out there. Tom
Yes, the enhanced 604 crate motors out there make about 60hp more than the best tuned factory GM 604 crate motors, the twist off GM 604 bolts aren't hard to find.
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Old 11-08-2015, 11:47 AM   #9
Alan Roehrich
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Default Re: Where do Sealed motors run?

Yeah, "sealed" motors ain't sealed. I've heard some of them that sounded like high compression small block Chevy Super Stock engines, and even Modified class engines. Those usually were considerably faster on a 5/8 mile track than the engines I knew had been tuned and tweaked, but not opened up.
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Old 11-08-2015, 11:54 AM   #10
Tim H
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Default Re: Where do Sealed motors run?

One of the guys I know well runs a dirt class with a "sealed" crate 602. They all seem to have been "enhanced." Brezinski and others offer a number of cheater parts. There are suppliers selling replacement sealed bolts etc and a couple of builders have perfected methods of cheating. The local tech inspection is rather loose and fuel is also a potential cheat. (oxygenated and methanol).
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