Got a 2002 z28 5.7L, if possible I want to build the biggest engine i can that will fit in it's engine compartment. What is the largest build while maintaining the ability to run off 93 octane? If anyone can throw me some advice, it would be greatly appreciated. Kinda new at this stuff and just need a little kick start help ya know, luckly i'm a fast learner

 

some one posted a link to a new block bassed on the LSx design that has the capabilities of 511ci

but typical strokers these days are using the ls2 blocks and the new 6.2L block.

some of the typical "big" engines are 402, 408 and 413ci

you can also go up to the 427 that VRE makes...check them out on the vendor list

 

Using the block you currently have, you can go to 383 ci.

If you're going aftermarket, your limit is as big as your wallet.

Mike

 

An LS1 block can be re-sleeved (and with a nice long stroke) out to ~454 c.i. . Then if you get into that LSx block directly from GM ... ... 500+!! Insane!

... and it all fits exactly the same as stock!! Not like trying to stuff a big-block in where a small-block barely fits .

 

Warlock block or the new LSX block... The LSX block has the capability to have a max displacement of 572 cid or something like that.



Look under ENGINE at www.ls1speed.com