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Old 10-13-2006, 10:00 AM   #1
crew70
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I need a web sight for stock HP ratings. can you tell me of one for chevys?

I need a web sight for stock HP ratings. can you tell me of one for chevys?
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Old 10-13-2006, 10:34 AM   #2
arkracing
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Re: I need a web sight for stock HP ratings. can you tell me of one for chevys?

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Originally Posted by crew70 View Post
I need a web sight for stock HP ratings. can you tell me of one for chevys?

What motor and what year??

The owner's manual usually has the ratings listed - as well as some "Chilton" books.

you can also check out - http://www.nastyz28.com/chevy-engine-code-stampings.php (but you would need to know the engine suffix code on the front pad of the block - it is the last 2 or 3 letters like "TKF" for example)
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Last edited by arkracing; 10-13-2006 at 10:35 AM.
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Old 10-13-2006, 11:01 AM   #3
crew70
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Re: I need a web sight for stock HP ratings. can you tell me of one for chevys?

I would like it for the trucks 67-72 . I would like to see all the diffirant HP options for all models (big Blocks)
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Old 10-13-2006, 11:15 AM   #4
arkracing
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Re: I need a web sight for stock HP ratings. can you tell me of one for chevys?

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Originally Posted by crew70 View Post
I would like it for the trucks 67-72 . I would like to see all the diffirant HP options for all models (big Blocks)

Well a stock '71 402 BBC was:
8.5:1, Gross Horspower = 300@4800RPM, Net Horse = 240@4400RpM, Gross Torque = 400@3200RPM, and Net Torque = 340@3200RPM

I would imagine that all the Big Blocks in '68-'72 would be very close to those.
I think Longhorn Man said that there were no Big Blocks in '67 - not 100% sure though.

Anyway don't forget that Chevrolet Under Rated thier motors alot - some of the 427cid Vette motors were rated @ 400Horse and 435 Horse - when they were pushing upwards of 475-500
Same with some of those LS6 454's (LS whatever's anyway)
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Old 10-13-2006, 12:34 PM   #5
John Fabris
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Re: I need a web sight for stock HP ratings. can you tell me of one for chevys?

Correct on the no big blocks in 67 for the C10-C30, BUT, the 396 was avaible for the El Camino....

Anyone know if the 67 C50 had big blocks?
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