350 mains vs 400 mains

THS · 5/29/18, 5:35 PM

What, if any, advantage are 350 main journal blocks vs 400 main journal blocks? Thanks

Tony74 · 5/29/18, 8:35 PM

Less bearing area less drag, but also less material in the crank. Depends on your horsepower/rpm range goal, also rebuild time frame.

5/29/18, 5:35 PM	#1 350 mains vs 400 mains
THS Member Join Date: Nov 2012 Posts: 71	What, if any, advantage are 350 main journal blocks vs 400 main journal blocks? Thanks

5/29/18, 8:35 PM	#2
Tony74 Senior Member Join Date: Jul 2007 Posts: 945	Less bearing area less drag, but also less material in the crank. Depends on your horsepower/rpm range goal, also rebuild time frame.