4.8/4L60e purchase
 

Just picked up a 4.8/60e. I was able to drive truck before pulling. Transmission seemed to shift fine. Motor smoked a little when getting up to speed. This setup has 350k on them!

I am thinking that heads need rebuilt and bottom end needs to be re-ringed at least. New oil pump, gasket set, timing chain, and ARP bolt kit.... Anything else you guys would do?

Thanks!

Re: 4.8/4L60e purchase
 

Hard to know until you get the block apart. If you can just ball hone it a bit you can get away with a re ring. If the cylinders have any scoring on wall, its best to get it into a machine shop and see if a hone will sort it out, or if a small over bore is needed.

Re: 4.8/4L60e purchase
 

If you're that far into it... why not have the rods and crank checked and install new bearings. Peace of mind...

Gary

Re: 4.8/4L60e purchase
 

Hopefully I get a chance to pull it apart this weekend.

Where is everyone ordering rebuild parts for LS motors from...Summit, GM????

Will defiantly be putting new bearings in it :)

Re: 4.8/4L60e purchase
 

When i had trouble with my 2001 5.3 from the junkyard, i needed to bore the block because of rust pits. I happen to check on ebay and someone was selling gm's extra stock and i bought a new gm 4.8/5.3 block with cam bearings already installed for $199.00 plus shipping in 2014. In my hands was $324.00, stock perfect bores ready to go. I believe jegs or summit picked these up and this summer they had them for $3??.?? and free shipping, what a deal.

Re: 4.8/4L60e purchase
 

I did see Summit had bare blocks for $299 shipped. I am hoping that my block is going to be fine. There should not be any rust, as I drove the truck before getting the engine/trans. I was just thinking that with 350,000 miles on them, I should freshen it up a little. I am not putting a big cam in this, as it will be a daily driver :)