LS6 Stroker?? 
LS6 Stroker??
Launching!
Joined: Jan 2004
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From: Trois-Rivières (Québec / Canada)
I don't think there is any advantage with the LS6 block. Actually, the LS1 block may be stronger and better suited for a high hp application.
The main advantage of stroking an LS6 engine over an LS1 is the heads. You will probably got around 20 more rwhp with ported LS6 heads over ported LS1's.
The main advantage of stroking an LS6 engine over an LS1 is the heads. You will probably got around 20 more rwhp with ported LS6 heads over ported LS1's.
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Joined: Mar 2004
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From: BFE
Next Year project: LS6 block or Ls1 (383)
I know LS6 have better oiling at crank journals and are a little less weight. Strength is irrelative till 700rwhp+ then LS1 is the choice.
Would the LS6 block be warranted for lubrication purpose. AFR heads and probably a R1 or G1 cam.
I know LS6 have better oiling at crank journals and are a little less weight. Strength is irrelative till 700rwhp+ then LS1 is the choice.
Would the LS6 block be warranted for lubrication purpose. AFR heads and probably a R1 or G1 cam.
12 Second Club
Joined: Sep 2003
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From: Houston
If you are building an engine from start to finish. Why not just go with the LS6 block for your base? There’s nothing wrong with the LS1 block, but the LS6 has better breathing and oiling characteristics. There was a local shop that built two engines exactly the same. One had a 2002 LS1 block and the other had a 2002 LS6 bock. Both used LS6 heads and were blue printed to a T. The LS6 engine made 12 more HP on the same engine dyno, same day same fuel same cam same everything.
I know two LS1’s could be 12hp apart, but it’s something to think about.
I know two LS1’s could be 12hp apart, but it’s something to think about.
Thread Starter
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From: BFE
If you are building an engine from start to finish. Why not just go with the LS6 block for your base? There’s nothing wrong with the LS1 block, but the LS6 has better breathing and oiling characteristics
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From: BFE
If you are building an engine from start to finish. Why not just go with the LS6 block for your base? There’s nothing wrong with the LS1 block, but the LS6 has better breathing and oiling characteristics
Aluminum LS1/LS6 Bare Block, 3.900" Bore
Price: $1,295.00
Part # 12561166
This is the aluminum block used on the 2001 Z06 Corvette. It is an improved casting from earlier models. The casting number is 12561168. This block will accept all LS1 components. This block comes with a 3.900" bore and will accept upto a 4.000" stroke without any machining of the block.
Price: $1,295.00
Part # 12561166
This is the aluminum block used on the 2001 Z06 Corvette. It is an improved casting from earlier models. The casting number is 12561168. This block will accept all LS1 components. This block comes with a 3.900" bore and will accept upto a 4.000" stroke without any machining of the block.
Last edited by PREDATOR-Z; Aug 25, 2004 at 05:04 PM.
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Verdad Gallardo For $1200, you might as well just wait for the LS2 block. That should be become available this fall sometime(November maybe? hopefully..
..) Then you'd have a great aluminum 6.0L. More horses baby, yea!!
..) Then you'd have a great aluminum 6.0L. More horses baby, yea!! Thread Starter
TECH Senior Member
Joined: Mar 2004
Posts: 14,620
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From: BFE
Originally Posted by cyphur_traq
For $1200, you might as well just wait for the LS2 block. That should be become available this fall sometime(November maybe? hopefully.. ..) Then you'd have a great aluminum 6.0L. More horses baby, yea!!
..) Then you'd have a great aluminum 6.0L. More horses baby, yea!!
Thread Starter
TECH Senior Member
Joined: Mar 2004
Posts: 14,620
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From: BFE
Originally Posted by KingCrapBox
The LS6 block will be fine. The LS1 block is slightly stronger and better for re-sleeving purposes, but unless you're building a Max-Effort 383, the LS6 block will do just fine.
Originally Posted by PREDATOR-Z
I would be trying to hit 500>530rwhp N/A W/150 dry shot N2O. ~650
The car was dynoed 2 weeks ago before these new mods, #'s were: 451rwhp/440rwtq.
Dyno #'s after new mods were: 479rwhp/469twtq.
If I switch to 1 7/8 headers from current 1 3/4 FLPs, do a X-pipe dumped exhaust from current I-pipe to cut-out, do lighter rims like Bogarts, and do some Harland Sharp roller rockers...I might sneak up on 500rwhp, but it would be close.
I could also have the heads milled some to raise compression up say a full point, that would gain too, but I would have to start running some race gas in every tank for daily driving...Randy
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Joined: Apr 2003
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From: silver Spring MD
Hi Folks
My Point is GM has two blocks (LS1 & LS6) - they would not go to expense for the LS6 unless it was better. I have to think GM know how to do things and is in the business to make money. If the LS1 block could do the job, we would not see a LS6 block. One other point, I believe the Cam bearing holes are large than the LS1 (they both can use the same Cam bearing diameter) - it is the outside diameter of the bearing that is large for the LS6.
Just my two cents.
Bill
PS: Predator-Z, watch out for those camels on the road - for everybody, this is not a joke.
My Point is GM has two blocks (LS1 & LS6) - they would not go to expense for the LS6 unless it was better. I have to think GM know how to do things and is in the business to make money. If the LS1 block could do the job, we would not see a LS6 block. One other point, I believe the Cam bearing holes are large than the LS1 (they both can use the same Cam bearing diameter) - it is the outside diameter of the bearing that is large for the LS6.
Just my two cents.
Bill
PS: Predator-Z, watch out for those camels on the road - for everybody, this is not a joke.
Originally Posted by PREDATOR-Z
How much did that whack you $$$ ??
I saw 5995 + exchange so let's say 1200 core $7200.0 ???
I saw 5995 + exchange so let's say 1200 core $7200.0 ???
Yeah, that's about right..with the Moser 12-bolt included the total came in at just under $10k, not bad and I don't have to fill N2O bottles all the time!...Randy
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From: BFE
PS: Predator-Z, watch out for those camels on the road - for everybody, this is not a joke.
I think people crossing everywhere is more of a problem. Maybe we should fence them too. LOL
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Joined: Jan 2002
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From: Nottingham, Notts, England, UK
LS6 block has better breathing and should be stronger being sand cast instead of die cast. At the end of the day it probably doesn't matter all that much as both should be pretty strong
