NOS zl1 motor 13,999.00
 

ZL1 motor consisting of a new gm block in the crate,nos aluminum heads,nos crank and a set of 7/16 rods.Comes with all correct bolt kit w correct head marks,new valve covers, new oil pan,gasket kit,rmc bearings,rockers,pushrods and complete head rebuild kit. Pickup only.Price subject to change as this is a blowout sale.

Re: NOS zl1 motor 13,999.00
 

Bare Block w caps for sale 6000.00 in crate, NOS crank and rods are sold.

Re: NOS zl1 motor 13,999.00
 

Chuck,
Do you know how many of the "053" blocks were made?

Re: NOS zl1 motor 13,999.00
 

Sorry, I dont know . I know there were a few different blocks made though.

Re: NOS zl1 motor 13,999.00
 

What were the different "053" Blocks?

Re: NOS zl1 motor 13,999.00
 

Stefano,

Someone may know better than me, but just from my own motors that I have personally owned, there seems to be no rhyme or reason to the 052, 053 blocks. The production ZL-1 blocks were all 052 I believe with screw-in freeze plugs and were NOT siamese bore...(all that I have seen)...I have read in books that the Yenko blocks were 053 blocks with push-in freeze plugs, although I personally have owned Yenko blocks that were 052 blocks with screw-in freeze plugs. And have owned 052 blocks with push-in freeze plugs. So I believe the 053 blocks were never used in production, but I'm not sure if there was even a difference other than the cast number. And I have owned tall deck Yenko blocks and "normal deck" Yenko blocks also...

The bottom line is that I have personally owned blocks that are contrary to what all the books I have read say.

Hope that helps a little... https://www.yenko.net/ubbthreads/imag...lins/dunno.gif

Re: NOS zl1 motor 13,999.00
 

Stefano, I do know alot of the 053 crate blocks are serial numbered and have a certain run. I believe there were 2 or 3 "runs",some had blue screw in freeze plugs and some orange etc. I know the block i have was the first run gm came out with a while back and has a serial number out of total built,but thats all i know about the newer blocks.

Re: NOS zl1 motor 13,999.00
 

Ok, thanks for the info guys.

Re: NOS zl1 motor 13,999.00
 

piled up like cord wood