Henry3959

This looks like a very easy process with the proper Kent-Moore tool.

jdbaugh1

iTrader: (1)

I had my LSJ block re-sleeved though the machine shop didn't have this tool and I think this tool would have been easier than the way they did it. I think either Mr. Beleveder on here or Mongorat, Jeffery Reiland on facebook, or I'm sure you have your own channels but their are stock style sleeves available that are supposedly a better alloy and much stronger though I don't know much about them. Pretty sure you can resleave an LEA block the same way but the tool is expensive unless you can find one to borrow.

Henry3959

I'm working with Jeffrey already on how to solve this. Both the Diamond pistons and LEA block are from him. and I have .005" PTW in the virgin part of the block and cylinder 4 has .0072 at the top without touching it. #4 has .0022 taper which is why I am thinking about relining it.

07blackg5

iTrader: (8)

Only the gen 1 and 2 blocks have the replaceable sleeves that use the Kent moore tool.

The gen 3+ blocks have non pressed in liners that are "non serviceable". Rencently, people have started machining out the liners and retrofitting pressed in sleeves to the gen 3 block structures.

It's doable, yes. But it's not as simple as pressing out the old sleeves and installing new ones

Henry3959

Well, there goes that option....

chevygirl2006

It’s possible but not even Trevor jolley likes to do it. And he makes sleeves. There’s barely any material in to work with. I have the LEA block in mine and I wouldn’t bother sleeving it. It can hold a lot of power without them.

mrbelvedere

iTrader: (3)

bore it enough to make all the bores the same then buy a new set of pistons y0u can resleeve a gen3 block but it would be cheaper to bore it and get new pistons

Henry3959

That's what I did.
Dished pistons, compression height is 1.082in with an extra .020 valve relief. MO BOOST!

Slowbalt2000

iTrader: (1)

so you went with low compression for an SC build?

07blackg5

iTrader: (8)

mrbelvedere

iTrader: (3)

raise the compression run a bigger pulley make mo power

Henry3959

No...

The 1.082 compression height and .010 off the deck puts that pistons back to the same height and squish. Diamond's dish is a meager .020" at the center with soft edges to aid in a more efficient burn only. The .010 off the head wasn't in my plans but I have decided to stick with the OEM gasket. With the effective volume of -3.0cc we are calculating a 10:1 CR with plenty of room for additional valve lift in the larger reliefs. If this wasn't a VVT engine I would have changed the cam timing. It's still a fair weather DD. Actually been enjoying driving the H2 again.... just not washing the beast.

Remember I'm at an air pressure disadvantage here at 6000'+ ASL

Slowbalt2000

iTrader: (1)

I would think with the altitude disadvantage and you being SC you would want to go somewhere closer to 12:1 to actually make some decent numbers.

tolikmelnikov

Let me ask you a question. I have a 2012 Chevrolet Equinox 2.4 there is a LEA unit. Can I replace the sleeves on it, or is it 3rd generation and is not repairable? If a block needs to be bored, where can I buy a piston and rings with the appropriate oversize? Thanks for any information!

mrbelvedere

iTrader: (3)

gen3 blocks are cast in place no replacement sleeve available unless you have custom sleeves made and put in

tolikmelnikov

Are the LEA engine blocks definitely not repairable?
In this case, give a link to a site where you can buy pistons and rings oversized after boring the cylinder block. Thank.

mrbelvedere

iTrader: (3)

Any piston company can make oversized pistons