Main Bearing Clearance

ramcharger said

Rodzilla, what is your intended purpose of this build? This question is key to you getting the clearance you need. .0015 is fine for street with the correct oil viscosity for your temperature (read this as NO 20W-50!!!). Are you driving in winter? Are you drag racing? What is your redline? What type of oiling system are you using?

These questions need to answered before I can give you some guidance.

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Its a street car, very little track time. 340 Stroked to 416. Shooting for 550-600HP 550 TQ. Will be Dyno'd. Eagle forged crank, recently balanced, polished and chamfered and apparently no one checked my clearances worth a crap. Glad I did my own plastigauge. This car will see 2000miles a year at most. Show quality resto, but still a driver for local cruising. I want to see .002" for clearance, I think that will be a good number to shoot for and for sure the .001" I have right now aint going to cut it. Redline will be 6800-7000. Oil will be a good quality 10-30 to start and later going to royal purple synthetic 10-30 as well. Oiling is via HV oilpump, oiling mods on sticky in this section done but I went with the bushed lifter bores.