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Old 11-12-2010, 10:23 PM   #1
ALMACK
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Default Re: IHRA crate motor question about intakes....

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Originally Posted by danny waters sr View Post
514 /600 @ 525 is an approved crate motor class engine. We will not be running Top Stock as a indexed class next year. (unless something has changed that i don't know about )
Danny:
I sent a pm your way.
Thanks,
Alan
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Old 11-13-2010, 01:28 AM   #2
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Default Re: IHRA crate motor question about intakes....

I got word today that next year Top stock is out.. will not have a class or index. I wouldn't build anything for Top Stock rules. Could end up being a waste of time and money.
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Old 11-13-2010, 08:44 AM   #3
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Default Re: IHRA crate motor question about intakes....

Danny, are EFI allowed in crate motor, like a 1991 Ford Mustang with the Ford 340HP/E cam crate motor with EFI?

Thanks, Tom Sr.
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Old 11-13-2010, 08:51 AM   #4
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Default Re: IHRA crate motor question about intakes....

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Originally Posted by dragracer9911 View Post
Danny, are EFI allowed in crate motor, like a 1991 Ford Mustang with the Ford 340HP/E cam crate motor with EFI?

Thanks, Tom Sr.
NO.....Carbs only ! 750 CFM for small blocks and 850 CFM for big blocks.
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Old 11-13-2010, 09:14 AM   #5
Myron Piatek
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Post Re: IHRA crate motor question about intakes....

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Originally Posted by dragracer9911 View Post
Danny, are EFI allowed in crate motor, like a 1991 Ford Mustang with the Ford 340HP/E cam crate motor with EFI?

Thanks, Tom Sr.
Yea, what Terry said.
A particular crate engine first has to be "approved" and put on the accepted list by IHRA to be legal for CM. Just because a factory has a combo available doesn't make it legal. There are versions coming out every year so keeping track of specs would be a nightmare. The factory normally has to provide the specs. For simplicity, it's been 750/850 carbs and any unmodified, commonly available over-the-counter intake that fits under the OEM hood. (Measure your 1" spacers. Some are a bit more than the 1" advertised.)
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Old 11-13-2010, 12:52 PM   #6
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Default Re: IHRA crate motor question about intakes....

Thanks to both of you.
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Old 11-13-2010, 11:34 PM   #7
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Default Re: IHRA crate motor question about intakes....

1 inch spacer includes the gaskets also.

Top Stock was just a hiding place for some A/SA cars that were slow anyway.

Saw one drop out and re enter to avoid a headsup once.

Chip
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Old 11-14-2010, 02:25 PM   #8
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Default Re: IHRA crate motor question about intakes....

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1 inch spacer includes the gaskets also.

Top Stock was just a hiding place for some A/SA cars that were slow anyway.

Saw one drop out and re enter to avoid a headsup once.

Chip
The spacer/adapter is measured by itself. Gaskets NOT included. 1 inch max. (1.000).
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