2000_SS

iTrader: (24)

that's kinda what i was thinking, but i'm not in his shoes, so i dunno....personally i'd rather keep the alluminum block, but then again, that LSX is bad.....

NoGamesLS1

iTrader: (16)

verve_v

There's going to be an alluminum version of the new lsx block first and then an iron block a little later on i do believe.

BlackHawk T/A

iTrader: (3)

No. The LSX block being released is iron.

They are "talking" about doing an aluminum. That is all we know.

slow95z

iTrader: (33)

i personally would rather run an iron block but i guess its for 2 reason. 1st being that i always had iron back in the day and never had any trouble but i have busted about 4 aluminium blocks and second reason is that i love my power adders.

john_sblendorio

iTrader: (4)

There have been a lot of people saying just go with a 427, but what makes that the magic number. I am relatively new to cars, but in the boat world displacement is king, besides the cost of going a little bigger is minor compared to the overall cost of the project. Why not squeeze every last CI out of the motor? Steve at R.E.D. mentioned that he can do a LS2 MID dry sleeve 4.2" bore x 4.25" stroke. Most people would say the car is fast enough - I guess I am not most people. My guess is most of the subscribers to this forum are not either. Still waiting to fund the project and may just go with a tall deck Warhawk. We are certainly living in an exciting time period when it comes to lsx development.

Stang's Bane

iTrader: (22)

Well said!!

Beast96Z

iTrader: (21)

I'm with ya dude. Go big or go home. I would have gone bigger if it were avalible at the time. I ordered this block.

Sharpe

iTrader: (7)

If it makes sense on your budget, then sure. If you're talking about going with a Warhawk (in a C6, no less), then I can imagne that you have a nearly limitless budget so you can both go for the biggest displacement and get the most out of every cube both at the same time.

What I was saying is don't follow "there's no replacement for displacement" in blind dogma. It's a wonderful guideline, but not some sort of a law of physics. It would really suck if a smaller displacement car blew your big-inch car away on the street, and he paid half as much, you know? Take a look at what people are doing in the dyno thread. You don't want a bigger-inch motor making less power than a smaller displacement engine is all I was saying.

You say you're new to cars, but recognize the wonderful things happening in the LSx world. Well, one of the great things is that some of the old ways of thinking are sometimes getting revised.

If you're honestly looking for the ultimate street car, I would talk with the sponsors like W2W. Tell 'em you have a fetish for big inches.


...Well, I don't know if that's exactly how I would word it, but....

Nasty N8

iTrader: (33)

Reason for smaller 427 is with smaller stroke you will be able to rev the motor. And RPM makes power as well and it will be far more reliable. And reason for not using the LSX block is it is going to be huge and will cause fitment issues in most cars the haeds will start running into things...

Nate

Steve - Race Eng

iTrader: (1)

If you are going to run a two or three hundred shot of nitrous, I would recommend 4.150" max. bore size on the dry liner. That will leave a thick enough sleeve so you don't end up with problems.

The MID sleeves are much stronger. You can run those out to 4.200" with nitrous.

Quickin

So an LS1 block, instead of using the LS2 or LS7 block, with the MID sleeves will be very strong with a 200 shot if you went:

4.200 bore and 4.200 stroke for a 466ci

or

4.200 bore and 4.100 stroke for a 454ci



.

Beast96Z

iTrader: (21)

Yup! I think they may have even finished the LS2 MID, put don't quote me on that one.

09CPTN

iTrader: (5)

Is the LSX the same as the LS7X Warhawk block, this one here... http://www.gmhightechperformance.com...k_head_review/ ? Cause that looks bad ***. But, from World Products it'll prolly cost north of $10k for the bare block.

Lol, wait, guess I don't know anything about block costs. They say it retails for $3999, and will support 454 cubes. That's deff. the one I would go with. Pricey as hell, but looking at that car, i'd guess this guy's got it.

52172

iTrader: (2)

I talked with steve over bore with the new MID sleeves and he thought 4.185 would be best value since you are leaving enough material in the sleeves for a rebuild. Why spend 2500 on a block when you can NEVER rebuild it without spending another 2500? Seems like an logical reason to stay away from a 4.2 bore. If you care so much about the loss of .025 bore just buy the new iron LSX block which will go too 4.5 bore or somethin like that, but you add 100 somethin pounds to the ft. Or what about the new Dart billet block?

Steve - Race Eng

iTrader: (1)

Darton now has LS2 large bore MID sleeves in stock (4.175" to 4.200"). I have done a couple of them already. They will have an LS7 MID sleeve shortly which will go from 4.125" to 4.200". They will replace the current LS2 MID sleeves as they will work in both blocks.

I prefer the LS1 block for high nitrous or boosted MID installations because they have solid main webs and are much less susceptable to cracking between the cylinders than the LS6 block. In fact I have never seen a cracked MID LS1 block.

Steve

52172

iTrader: (2)

Steve what is the difference between the ls2 mid sleeve and the ls7 mid sleeve and are they both compatible with an ls1 block? Thanks

Chicago Crew UnderBoss

iTrader: (1)

NO, two completely different blocks with the LSX being a GM perf block (all iron) being offered by GM, and available next month, and Scroggey Dickey has them on sale for delievery in about a month or so for $1,995.00 for just the bare block. With this block 427 to 482 cubes is a no brianer with 454 cid making the most sense if you want big cubes and reliability (4.25 x 4.00 stroke). The WARHAWK block is an all alum. aftermarket big cubed LS series block now available (still tuff to get one as they are so new, etc) and are built by WORLD PRODUCTS (not GM like the LSX block and not iron like the LSX block). The LSX iron GM BLOCK is suppose to support HP up to 2000 to 2500 HP, perfect for those crazy minded F/I Folk who want to run as much boost as they possibly can thow at this motor which will be able to handle it!

Steve - Race Eng

iTrader: (1)

The LS1 sleeve is different from the LS2 LS7 MID sleeve in seating depth. GM raised the floor of the coolant jacket about an inch on the LS2 and LS7 blocks. The two sleeves are the same overall length and dimension except for the seating dimension which has been shortened to work in the LS2 and LS7 blocks.

Steve

52172

iTrader: (2)

thanks!