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Old 10-10-2006, 12:08 AM   #1
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How can you tell if you have vortec heads?
How can you tell if you have vortec heads? I don't think I do, but just curious. I have an '89 camaro RS with a tbi 305, LO3.
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Old 10-10-2006, 12:26 AM   #2
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Originally Posted by yockmaster View Post
How can you tell if you have vortec heads? I don't think I do, but just curious. I have an '89 camaro RS with a tbi 305, LO3.
Pull the driver's side valve cover, and get the casting number that is printed there. It's usually a 6 or 7 or 9 didget number. Then go to this link, and ctrl+f your number and see what youve got. MorTec, Inc. Chevy Smallblock V-8 Casting Numbers List
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Old 10-10-2006, 01:02 AM   #3
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They aren't stock on your motor, so i'd doubt it.
You probably have xxxxx187 casting heads.
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Old 10-11-2006, 04:43 PM   #4
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Punch the gas petal and look in the rear view mirror.
If ya see a big cloud of tire smoke and suddenly you're thrown back in the seat, ya just might have vortec heads.
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Old 10-11-2006, 04:47 PM   #5
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Examine your 89 Camaro closely for signs that it's a 96 or newer Chevy truck.

If it seems to be lacking any such evidence, then search your memory carefully for any recollection of replacing your car's heads.

If you come up short on both counts, then it probably has 187s like everybody else's. Which are just about as far from Vortecs as you can get.
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Old 10-11-2006, 05:11 PM   #6
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Could always just look at the intake bolt pattern, too.
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Old 10-11-2006, 05:11 PM
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