Aluminum Head Identifying

28 SCARAB · #1 12-30-2004, 07:16 PM

Just cleaning my shop up and found a set of heads i have had for years. They are alum. GM PART #3946074 has round exh. port it looks like a date code of 42572 I think ? it is under the ports. they are in nice shape are they any good and is there any value to them ? I loned out my chevy. by the number book to some one and never got it back . Any help ? THANKS

**Mr70** · #2 12-30-2004, 07:48 PM

That head casting number was used on the 1969 L88 Corvette,& ZL-1 Camaro/Corvette.
In 1971 it was the LS6 Corvette Head.Your casting date of April 25th,1972 could apply to this,or as a service replacement for the earlier mentioned cars.

Mike · #3 12-30-2004, 08:03 PM

Sent you a PM

Mike

28 SCARAB · #4 12-30-2004, 08:30 PM

MIKE Just sent you a PM.

**Mr70** · #5 01-02-2005, 10:19 PM

"So you're gona try to leave the BIG boy behind huh"?

**kwhizz** · #6 01-03-2005, 02:29 AM

Mr70............That picture is "Priceless"........

Ken

copojoe · #7 01-11-2005, 03:50 AM

Are they for sale?

Let me know. Thanks

28 SCARAB · #8 01-11-2005, 04:16 AM

copojoe just sent you a pm.

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