Who is going to buy the new gm lsx block.
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Originally Posted by verve_v
how many cubes in the short deck version going to be?
454 BABY with a 4.250 bore and 4.00 stroke!!!
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Count me in on the LSX I am ALL OVER THIS and probably will go with a tall deck and a perfectly square 482 cubed motor (4.250.00 x 4.250.00)!!!
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#22
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Originally Posted by MTI 427 C5 Roadster
454 BABY with a 4.250 bore and 4.00 stroke!!!
Count me in on the LSX I am ALL OVER THIS and probably will go with a tall deck and a perfectly square 482 cubed motor (4.250.00 x 4.250.00)!!!
![Happy](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_stretch.gif)
![The Judge](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_judge.gif)
![The Judge](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_judge.gif)
Count me in on the LSX I am ALL OVER THIS and probably will go with a tall deck and a perfectly square 482 cubed motor (4.250.00 x 4.250.00)!!!
![Locked ...](https://ls1tech.com/forums/images/smilies/lockd.gif)
![Driving](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_driving3.gif)
![Chug! Chug! Chug!](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_chug.gif)
![Happy](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_stretch.gif)
No replacement for displacement!
![The Judge](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_judge.gif)
Now the issue of finding an intake that's streetable and able to feed that much cubes! I'm going to pay close attention to the Wilson Intake comparo that some tuners were talking about on another post.
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Originally Posted by Tecknique2006
The article in the newest GMHTP said that the project's engineers were working on an aluminum version of the LSX block. The article seemed to be an interview with a GM representative so I assume the information is correct.
That is correct. Right now though they are concentrating on getting the Iron version out.
Robin
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Originally Posted by Phil99vette
I'm not sure I'd max out the bore, what does GM say the wall thickness is when the bore is maxed out @ 4.250
im going strait for the jugular on mine
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4.25 bore x 4 in. stroke 454
12.5+ SCR
400+ cfm LS7 heads
single plane GM LS7 with plenum and 105mm tb
if there is not too much of a time delay for the block availability
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Originally Posted by Cop Car
poor. if you have a bore of 4.125 or more you need to be using LS7 heads.
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#31
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Originally Posted by Phil99vette
I'm not sure I'd max out the bore, what does GM say the wall thickness is when the bore is maxed out @ 4.250
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These blocks are going to be great. I'm honestly a little worried that GM is going to run into supply problems in the beginning. Also, I like how much material is between the cylinders... it makes for a lot of rebuilds.
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Originally Posted by texada
I am wondering how that can be when L92 heads flows equeal to alot of aftermarket heads. So, are you saying AFR, TFS or Eldebrock heads wouldn't do the trick for these big cubic inch motors ![The Judge](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_judge.gif)
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#35
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You can get 511cu out of the block, and it will always stay a small block. I called GM preformance and i asked when they were going to relise the block and nobody had any idea, i was transfered to like 5 people (no joke!) and they never even heard of it, they though it was in a stock Firebird 98-02' and i was like wtf, NO. So they were no help, any idea when it is going to be relised? and since the block does weigh 218.* pounds will that make a huge diffrence in handeling since an AL block weighs about 95-105 pounds.
#36
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Originally Posted by Beast96Z
Assuming your shopping based on price, that's true, otherwise, there are better options IMO.
IMHO the biggest thing a budget brings into the equation is the intake. To me, it is a lot easier to spend $3K+ on a set of heads than the same amount on an intake. that is just ME, though.
FWIW when you get your setup running and ironed out, I think we may see a new NA pump gas record for the LSx. IMHO 650+
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#38
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Originally Posted by Stang's Bane
I do agree somewhat with you Beast. However, I would llike to see a set of the All pro ls7 hooked up to a sheetmetal with a solid roller and see what that does.
IMHO the biggest thing a budget brings into the equation is the intake. To me, it is a lot easier to spend $3K+ on a set of heads than the same amount on an intake. that is just ME, though.
FWIW when you get your setup running and ironed out, I think we may see a new NA pump gas record for the LSx. IMHO 650+![Happy](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_stretch.gif)
IMHO the biggest thing a budget brings into the equation is the intake. To me, it is a lot easier to spend $3K+ on a set of heads than the same amount on an intake. that is just ME, though.
FWIW when you get your setup running and ironed out, I think we may see a new NA pump gas record for the LSx. IMHO 650+
![Happy](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_stretch.gif)
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