Are you saying that the 2002 Camaro ZL1 with the 2002 Z06 Corvette LS1/LS6 350 cu in alu engine is a small block ZL1 and the 2002 Camaro ZL1 with the C5R race case 427 cu in engine is a big block ZL1 even though it is the same size engine outside dimensions? [img]/ubbthreads/images/graemlins/confused.gif[/img]
As I said above, you are causing a lot of confusion by mis using the old engine names. I guess you can call the car a ZL1 Camaro but you can't call the engine a big block ZL1. Chevy is still using the ZL1 name for the new ZL1 based on the old real BB Chevy ZL1 engine. I have listed below two ads from the Jim Pace Chevrolet web site.
Now imagine opening a carbon L88 style hood on a 2002 Motion Camaro and having those big badd Ram Jet ZL1 valve covers pop out at you. Kinda makes the C5R engine look like a rice burner. That is why the C5R is no big block Chevy. [img]/ubbthreads/images/graemlins/biggthumpup.gif[/img]
<font color="blue"> Chevy Ram Jet ZL1: part no. 88961499 price $21,454.00
Getting a hold of one of these may be more difficult than hitting your state lottery. GM Performance Parts is proud to bring back a legend, if only for a limited time. The Ram Jet ZL1 is the í69 ZL1 of the new millennium, with its revised aluminum block, a solid roller cam, large oval port aluminum cylinder heads, and the Ram Jet fuel injection system. That's right...Fuel Injection. The Ram Jet ZL1 is 454 cid with a street friendly 10.2:1 compression ratio that will idle all day long, unlike its predecessor of 1969. If you want a Ram Jet ZL1 get in line now, GM Performance Parts will be producing a very limited 200 of these all-aluminum Rat Motors for sale on the open market
ZL1 Alu Big Block part no. 12370850 price $5,115.45
The Chevrolet aluminum big-block is back and better than ever. This block was first introduced in the 1969 Corvette and Camaro. It was one of the rarest production engines ever built. Now the improved version is available. This block is based on the original tooling. The new casting is made from 356-T6M aluminum alloy and has a 4.250" cast iron liner that can be bored to 4.300". The bottom end has also been improved with new 4-bolt splayed steel main caps, with dowel pins to locate and hold the caps in place. This block includes screw-in freeze plugs with o-ring seals, and a two-piece rear main oil seal. the new block has a provision for both dry sump or regular oil pump systems and mechanical fuel pump. All GM Performance Parts cylinder heads will fit this block and it weighs only 110 lbs. The maximum stroke is 4.375".
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