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oldman · 07-21-2021, 07:32 PM

Clevite LSx bearings are suppose to fit with "minor work to the block". That scared me away but I have plenty time how to work on it.
https://www.texas-speed.com/p-5649-t...-assembly.aspx

The Lt4 crank's 7/8 rod journal is solid (not drilled) as testing showed the LT1 crank to weak under boost at that location.

This looks like a standard thrust bearing to me:
https://www.lsxceleration.com/king-x...oil-clearance/

I don't remember off hand but I thought the cap had the cut for a full radius thurst. The real problem being is the cap can walk on the block which can cause the two thrust surfaces to be messed up. ARP studs? dunno, I studded my block, which is mandatory. Since the design was only for 1/2 radius I can see the cap side not being machined correctly, just "good enough" from the factory. I wonder if the Voodoo engine has a full radius thrust?

07-21-2021, 07:32 PM	#6
oldman Drives: SS 6 speed of course Join Date: Jan 2016 Location: Hilo, HI Posts: 4,320	Clevite LSx bearings are suppose to fit with "minor work to the block". That scared me away but I have plenty time how to work on it. https://www.texas-speed.com/p-5649-t...-assembly.aspx The Lt4 crank's 7/8 rod journal is solid (not drilled) as testing showed the LT1 crank to weak under boost at that location. This looks like a standard thrust bearing to me: https://www.lsxceleration.com/king-x...oil-clearance/ I don't remember off hand but I thought the cap had the cut for a full radius thurst. The real problem being is the cap can walk on the block which can cause the two thrust surfaces to be messed up. ARP studs? dunno, I studded my block, which is mandatory. Since the design was only for 1/2 radius I can see the cap side not being machined correctly, just "good enough" from the factory. I wonder if the Voodoo engine has a full radius thrust? __________________ Forged short block, large duration sub .600 lift Cam Motion cam, 7200 RPM fuel cut, Pray Ported Heads, 3.85 pulley D1X, stage II intercooler, DSX secondary low side, DSX E85 sensor, Lingenfelter big bore 2.0 pump, ported front cats, 60608 Borla, LT4 injectors, ZL1 1LE driveshaft and Katech ported TB, ported MSD intake, BTR valvetrain, ARP studs, ProFlow valves, PS4 tires.