biggest ls1
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Joined: Jun 1999
Posts: 2,368
From: OR
Re: biggest ls1
If you get one built with a resleeved block, or better yet, a C5R block, you can get about 42x ci. I've heard of people going slightly higher.
Originally posted by JEREMYHERMAN
whats the biggest ls1 (cubic inches )built or can be built.building a new street rod have a idea going.
whats the biggest ls1 (cubic inches )built or can be built.building a new street rod have a idea going.
Registered User
Joined: Jan 2002
Posts: 5,308
From: Oshawa - Home of the 5th-gen
In "Chevy High Performance" magazine (Oct. '03) they built a 452 cubic inch LS1!!! 
I guess they were aiming to build a full "454", but made a "conservative decision" to limit the bore by a few thousandths of an inch
(for engine safety's sake!). I think it made something like ~575 HP??
(which is actually lower than the 600 HP ZL-1 Camaros with the 427?!
..........but it's probably minor cam or head differences that helped out the ZL-1).
I guess they were aiming to build a full "454", but made a "conservative decision" to limit the bore by a few thousandths of an inch
(for engine safety's sake!). I think it made something like ~575 HP?? (which is actually lower than the 600 HP ZL-1 Camaros with the 427?!..........but it's probably minor cam or head differences that helped out the ZL-1).
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