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View Full Version : Identify a real LS6

LIRacer
06-29-2012, 04:27 PM
I am considering the purchase of a 1970 SS. Origianly an LS5 car, the seller is claiming a real LS6 presently resides in the engine bay. What would the casting numbers be for a real 19970 LS6 or how can I determine what it really is?

Thanks
69chevelless
06-29-2012, 07:39 PM
I'm not saying we don't know are stuff here but have you posted this on Team Chevelle?
Ms Grumpy
06-29-2012, 09:55 PM
I'm not saying we don't know are stuff here but have you posted this on Team Chevelle?

Shame on you..... Bowtie smiley
69chevelless
06-29-2012, 11:32 PM
Shame on you..... Bowtie smiley

If someone on this site is an LS6 expert then maybe they should help this guy out.

All I did was ask this guy if he posted it anywhere else first.:confused: haha
shadowgray396
06-30-2012, 12:39 AM
If it is an LS6 crate motor it will have an XAA suffix stamped on the pad above the timing cover, a real one would have 512 stamped on the block. Also you would need to find out what heads it has on it and intake. I'm no expert on this subject. A lot of 454 motors claimed to be built to the specs of the LS6. You would need more info about the motor to be sure.

http://i777.photobucket.com/albums/yy58/shadowgray/Body%20Shop/EngineID.jpg
LIRacer
07-06-2012, 05:16 PM
I confirmed that the casting number is 3963512 which is a 427/454 COPO block according a website that I fond that lsists all Chevy casting numbers. Anyone know a good inpector / appriaser that knows Chevelles?
LIRacer
07-06-2012, 05:23 PM
I confirmed that the casting number is 3963512 which is a 427/454 COPO block according a website that I fond that lsists all Chevy casting numbers. Anyone know a good inpector / appriaser that knows Chevelles?
carpoor
07-06-2012, 06:26 PM
What suffix is stamped on the front pad?
Ms Grumpy
07-06-2012, 07:51 PM
If someone on this site is an LS6 expert then maybe they should help this guy out.

All I did was ask this guy if he posted it anywhere else first.:confused: haha

I was just giving you a hard time. No harm intended. ;)
Derek69SS
07-06-2012, 10:25 PM
Rick Nelson at MuscleCar Restoration and Design is THE authority on LS6 cars. Do yourself a favor and talk to him before you buy anything.

http://www.musclecarrestorationanddesign.com/
grandsport
07-06-2012, 10:45 PM
I'm not saying we don't know are stuff here but have you posted this on Team Chevelle?

Lol. What is up with this we crap?
69chevelless
07-07-2012, 12:09 AM
Lol. What is up with this we crap?

:drunk::butt1::eek::rolleyes::D