ls3 equal to or less than 410 cubic inches? - Page 2 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

nl12 · 12-09-2009, 07:33 PM

Lsx block needs mods to be reliable at 2k hp and a modded ls3 block can handle similar power, lsx at 2k needs aluminum rods ls3 could get by with steel rods.

VADER SS L99 · 12-09-2009, 09:20 PM

Quote:

Originally Posted by nl12

Lsx block needs mods to be reliable at 2k hp and a modded ls3 block can handle similar power, lsx at 2k needs aluminum rods ls3 could get by with steel rods.

an ls3 block could not handle 2k hp. It might be able to but would need much more work than an lsx block. A lsx block is a purpose built race block built to take abuse. A ls3 block is a factory production block that comes in stock high performance vehicles. BIG difference. I'm not saying its weak but I wouldnt trust it past 1k hp. I would however trust the lsx past that mark. Besides I dought he's thinking about making much more power than that. I mean come on. Do you know what kind of chassis and driveline mods you would have to do with 2k worth of power? The cost would make the motor combo look like an accessory and you would have to forget about any streetability.

Chocolate Apocalypse · 12-10-2009, 10:16 AM

Plus with 6-bolt heads on an LSX block you'll have the extra clamping power to run high boost without lifting them vs the standard LS aluminum block 4-bolt block/heads.

boostedyards86 · 12-10-2009, 10:22 AM

all good points guys. time to make some calls.

VADER SS L99 · 12-10-2009, 03:31 PM

Quote:

Originally Posted by Chocolate Apocalypse

Plus with 6-bolt heads on an LSX block you'll have the extra clamping power to run high boost without lifting them vs the standard LS aluminum block 4-bolt block/heads.

exactly and 1 of the biggest reasons to go with this block when running alot of boost.

12-10-2009, 10:16 AM	#17
Chocolate Apocalypse Full Fledged Member Drives: '18 1SS 1LE Join Date: Mar 2008 Location: Las Vegas Posts: 346 View My Garage	Plus with 6-bolt heads on an LSX block you'll have the extra clamping power to run high boost without lifting them vs the standard LS aluminum block 4-bolt block/heads. __________________ '18 1SS 1LE - DD '72 Cutlass - LSA topped 370" LS2

12-10-2009, 10:22 AM	#18
boostedyards86 Drives: Cummins 3500 Join Date: Jul 2009 Location: Pgh PA Posts: 611 View My Garage	all good points guys. time to make some calls. __________________ 85 Buick TType - 5.3l GT4202r 10.86 at 126

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12-09-2009, 07:33 PM	#15
nl12 Drives: Unicycle Join Date: Oct 2009 Location: Monterey California ---> Virginia Posts: 226	Lsx block needs mods to be reliable at 2k hp and a modded ls3 block can handle similar power, lsx at 2k needs aluminum rods ls3 could get by with steel rods.