12-23-2019, 02:21 AM

roylee62

Junior Member

Join Date: Dec 2004

Location: Canada

Posts: 4

Can old Pontiacs perform like LS motors?

I am amazed by the power, fuel economy and driveability of LS motors. Why can't we do this to a legacy Pontiac 400 motor, similar to an LS3 crate engine:
>300cfm heads
cam: low 200s duration @.050, .550" lift, 117 LSA
fuel injected
Well over 1hp/c.i. and 20mpg, trans gear ratios not-withstanding.

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