So in a nutshell I should be fine cleaning them up and going bigger if needed as long as the material is there, and keep them as close as possible and not go bigger then needed. Right?

Tim,

I would consider a sonic test mandatory prior to investing any resources into your OEM block. With that considered, at your output levels, main saddle integrity,as well as the wall stability is a primary consideration. I would suggest there is more value in selling your OEM cases and applying those assets to a dedicated aftermarket block than investing into a production item.

Below is an example Gen VI test.

Bob
[ATTACH=CONFIG]530621[/ATTACH]

I have a GEN V at 4.565 with a custom set of Diamond Pistons. The Diamonds didn't take too long to get. My machinist double checked everything and felt very comfortable at that bore even knowing how hard I would push the motor.

thats kinda my thoughts also, wondering what I can get for mine used? I can buy new ones easier if I sell mine off, especially knowing the same machining is needed anyway using mine it new..

Btw we will be talking cams after first of the year also... After I recover from surgery lol

I hear ya. I was mistaken in thinking the aftermarket blocks were more finished than they are.

Gotcha.. Yea they need made perfect also

Tim, good luck with the surgery. I know as of a few years ago, recovery from a full replacement was actually faster than a repair. PT should have you up and starting to move within 48~72 hours. Those pt people though, they are a sadistic bunch and take great joy in making full grown manly men whimper like biitches... you have been warned...

Thx Rob and lol shoot me now haha

Well, after lots of thinking and some talking with a few guys, however I can probably use my stock GM blocks I am going to buy new blocks...then I don't have to worry about anything, I do not wanna put myself in a position for issues long term, and If I max them out now that leaves me no room for a possible problem later...

Thanks for the advice guys...!

Good move Tim!