Re: LQ4 or L33
depends on HP goal. The cast iron block is nice, but moves around just as much as the aluminum version. You can make a nice 408 CI out of the cast iron block and put hard block up to the bottom of the water pump holes and its a great base for 1000whp turbo setup. The smaller displacement aluminum blocks do well also, just make sure the engine machine work is done with the mains and both torque plates bolted on, and hard block as well.
Give MAP a call, they are working more and more with turbo LS stuff.
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Moon taxi: 9.45@156.9 mph 41psi 2011... Letting people down sense 2012.
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