Head casting numbers.....

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Aug 20, 2009 | 06:34 PM

Weav's Vet

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Safety Car

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From: Sandhills of North Carolina

Head casting numbers.....

What are the stock head casting numbers for a 1996 LT1?

Are either one of these correct?

10207643 or 10128374

Aug 20, 2009 | 06:35 PM

cv67

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From: altered state

St. Jude Donor '05

They both are.

Aug 20, 2009 | 06:36 PM

Weav's Vet

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Safety Car

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From: Sandhills of North Carolina

Quote:

Originally Posted by cuisinartvette

They both are.

Ok, I guess I have to take a valve cover off to find out for sure, Right?

Aug 20, 2009 | 11:53 PM

JAKE

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From: Kempner Texas

A few weeks ago I pulled the stock heads off my son's 96 LT1 Vette to install new Dart Pro 1s.

Here's are 643s and are for sale.

Jake

West Point ROCKS!

Aug 21, 2009 | 02:38 AM

cv67

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From: altered state

St. Jude Donor '05

Quote:

Originally Posted by Weav's Vet

Ok, I guess I have to take a valve cover off to find out for sure, Right?

meaning they could have come with either one. I havent seen that ones better than the other.

Aug 21, 2009 | 02:53 AM

Weav's Vet

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From: Sandhills of North Carolina

Thanks, I was just needing to know the numbers for a core exchange.

Aug 21, 2009 | 06:11 AM

tpivette

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From: newark DE

if youre looking to send them off to AI or LE, i believe ive read that the heads on 96's are NOT the ones they will accept in an exchange

again, thats what i remember

Aug 21, 2009 | 06:14 AM

Weav's Vet

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Safety Car

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From: Sandhills of North Carolina

That's exactlly what I need them for. The numbers I posted are what they require as core trade ins. I guess I'll have to look and see.

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Aug 21, 2009 | 04:29 PM

JAKE

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Joined: Feb 2000

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From: Kempner Texas

Quote:

Originally Posted by tpivette

if youre looking to send them off to AI or LE, i believe ive read that the heads on 96's are NOT the ones they will accept in an exchange

again, thats what i remember

That can't be right because the ones I pulled off my son's 96 LT1 are 643s.

I have a complete NHRA listing somewhere around here that shows which heads came on which year engines; it's for stock class tech issues.

Yes, the casting number is under the valve covers.

Jake

West Point ROCKS!

Last edited by JAKE; Aug 21, 2009 at 04:41 PM.

Aug 21, 2009 | 04:57 PM

#10

rickneworleansla

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From: Metairie Louisiana

Quote:

Originally Posted by JAKE

A few weeks ago I pulled the stock heads off my son's 96 LT1 Vette to install new Dart Pro 1s.

Here's are 643s and are for sale.

Jake

West Point ROCKS!

Selling here? How much?

Aug 22, 2009 | 07:38 AM

#11

tpivette

Pro

Joined: Jan 2003

Posts: 515

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From: newark DE

Quote:

Originally Posted by JAKE

like i said, thats just what i remember

thought i read on www.ltxtech.com or www.ls1tech.com that the 96' LT1 heads were not the ones that LE or AI took as an exchange. dont remember what the specific casting #s were though

i could be wrong. anyone know for sure?

looks like the #s the OP posted were definately the ones to look for. only way to know if he has either is if he pulls the valve covers however

Last edited by tpivette; Aug 22, 2009 at 07:48 AM.

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