GA95DCMSS

iTrader: (13)

So I'm putting together an iron block 408, no power adders involved. Using Clevite bearings, I measured my mains and rods, and this is what I came up with for the clearances.

Mains:
#1 - .0025
#2 - .0023
#3 - .0025
#4 - .0025
#5 - .0027

The mains seem good, but my rod bearing clearances range from .0026-.0032. There is only one rod that is at .0032. The Rod journals range from 2.0993-2.0994. Would these clearances cause oil pressure issues? I see a variance of what people tend to run for rod clearances, and I'd rather buy another set of bearings before having to deal with low pressure issues.

VandykeT/A

I had all my mains and rods set at .0025 via machine shop but I have heard of people going .0030 on a iron block but with a ported/shimmed LS6 pump my oil pressure never drops below 55psi hot and around 75 cold start with 10w30. I personally think you'll be fine but I'd talk to a vendor or a couple machine shops to be sure.

A_VAS

iTrader: (16)

I would get a set of rod bearings in the .001 under
you will likely end up mix of shells to get it where you want it. .0023-0025 would be perfect IMO