My other little project

[DavidPHumes]

Thanks guys.

The L33 is out of certain '05 Silverados. They are not very common and often get bought up (by people like me) as soon as they hit the market. They're advantageous over an iron block for multiple reasons:

- Lighter weight (obvious)
- Slightly higher CR (9.9:1 vs 9.5:1 of a standard 5.3)
- Stronger rods (don't know the facts here but it's what everyone says)
- Flat top pistons
- 862 casting heads (almost identical to 243 (Z06) heads)

I don't know about LSxs sounding bad. I like the sound just right. Sounds like a throaty V8 to me!

[Goat Blower]

Originally Posted by DavidPHumes

- 862 casting heads (almost identical to 243 (Z06) heads)

I saw that, apparently my 2007 Tahoe has those same LS6 style aluminum heads, but mine has the iron block. If I was doing the swap on my GSX, I'd only want the full aluminum long block as well, I just didn't know they made one for the trucks. I think the newer 6.2's are all aluminum. I'll have to go look at my book again, it lists every possible combo of LSx based on vehicle and year.

$550? Wow, it'll cost me that just to freshen up my 2.4/2G head combo that's going in this month. Hmmmmm.

[turbotalon1g]

Originally Posted by Goat Blower

$550? Wow, it'll cost me that just to freshen up my 2.4/2G head combo that's going in this month. Hmmmmm.

Really?

[Goat Blower]

Originally Posted by turbotalon1g

Really?

Mostly the head, the shortblock will be cheap.