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I've read the intake lobes of the cam have the same lift but the exh lobes increased slightly, but no specifics.
The intake is taller with longer and straighter runners, and the manifolds are stainless and have 4 to 1 merge collector.
I've read the intake lobes of the cam have the same lift but the exh lobes increased slightly, but no specifics.
The intake is taller with longer and straighter runners, and the manifolds are stainless and have 4 to 1 merge collector.
a) I'd be surprised if the centerline intake runner distance has changed s the RPM at peak HP has not changed.
b) The collector is 4-into-1 but not a proper merge collector. See:: https://burnsstainless.com/blogs/art...rge-collectors
a) I'd be surprised if the centerline intake runner distance has changed s the RPM at peak HP has not changed.
b) The collector is 4-into-1 but not a proper merge collector. See:: https://burnsstainless.com/blogs/art...rge-collectors
A) LT2 is rated at 490/495 hp at 6450 rpm and LT1 is rated at 455/460 hp at 6000.
Torque is also higher at 5150 vs 4600. So the peak power rpm HAS changed. I guess I've only read "taller", so that doesn't mean that the runners are actually longer if they're straighter though.
B) also wouldnt be surprised if it wasn't a proper racing one.
^^^
Intake runners are large, long and a straight shot to the intake valves. Could not achieve that with an FE LT1. Big headers and GM no doubt optimized and matched intake length flow for more peak power.
