UPDATE: Added pics of the internals, not sure if ok?

ok so i picked up my truck in October 6.0/4l80e rcsb 2wd truck had a turbo on it before that was on another 6.0 at the time but I got all the turbo stuff with it

I decided on doing heads & cam then it snowballed to the point only thing left was the bottom half every thing else is going to be new (lifters, pushrods, cam, heads etc.) so I though might as well freshen the bottom half to, so since this is my daily driver I picked up another 6.0 engine (to cheep to leave it) so I dont have to much down time any way......

now here I am with this short block lq4 and dont know to just freshen it up or upgrade the rotating assembly? so i'm kinda lost

built info lq4
317 heads ported
triple 12 cam
60# deka injectors
ls7 lifters
manley pushrods
ls9 mls head gaskets
truck intake, stock TB & return style fuel rail
Aeromotive FPR
t4 73mm turbo rear mount (it is what it is)
4l80e built

my gold: 11.50's in the 1/4 mile guessing 550 to 600rwhp 10 to 12# boost?

so do i need arp studs? forged? better rods? make it a 370?

I guess what is a must do? at this point funds are becoming limited more i do the longer its going to take to fund.......

how many miles would you guess on this block? I was told 80k but i'm thinking way more?


This pic the pistons are facing a way from each other, every pistion has one side worn more then the other as shown below


Tops are not showing any wear to me


main cap bearings how do these look?


I really dont feel any thing on the crank surface?


can only see cross hatch marks lightly you can clearly make out where the piston didn't touch the cylinders


couple have discoloration but dont feel any thing really?

 

Run the stock bottom end if your only going to push 12 lbs. It will handle that pressure all day long if you get the tune right. Your going to have to buy new head bolts anyway so might as well put studs in it.

 

how much boost can the stock parts handle with out living on the edge?

 

13ish on 93 or 18ish on 93 and meth is a pretty decent rule. Lots of other factors though mostly related to tuning.

Keep it stock cube and bottom end for 600ish HP. I bet you reach it no problem with a boosted 6.0

 

Yeah running meth would make sense just to keep it safe Id think

 

i do have a meth kit but i was hoping to reach my gold without it since my wife will some times have to drive this if I need to take the our SUV that I tow with



I've read that the 05+ 6.0's have stronger rods I've found a few sets for under $100 will those work on the older blocks with my pistons?

 

Tune, Tune, Tune. That is the biggest factor. Run Meth for a safety net.

 

trucks going to be tuned by Sound Performance 95% of what they do is turbo'd they tuned my 2000 Z28 & 87 silverado (383 stroker Holley Stealth ram Injection) i've been in the shop quite a few times there work is awesome and tuning is done right so I have confidants tune will be good

 

I dont know a ton about meth but I thought it was all automatically injected. And isnt there usually a sensor in the tank to tell you when its low? So I dont see why itd be a big deal, just keep some extra in the truck just in case

 

If you're wife will be driving the truck I would suggest running a boost controller with a low boost setting for the wife and have your meth kit boost referenced. That way it will be nice and safe for daily driving and you can easily set it on kill when you want it.