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Block Choice? Ls1,2, 3?

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Old 03-14-2017, 12:14 PM
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Not bad but as I recall, GM's testing showed the main caps start to move around above the 500 HP range. That's why the LS7, LSA & LS9 have doweled caps. I installed the Mast caps on my LS1-which is still standing next to the car.
Old 03-14-2017, 12:24 PM
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Just pin the caps and run ARP Main studs. You'll be good to 1000HP on a Gen IV aluminum block or L33.

And I'm pretty sure I said Darton Sleeves. Those are dry sleeves that TSP sells and are good for NA or low power adder. The wet sleeves are what you want for more power.

Or, quite honestly, the Dart SHP NEXT2 block in iron is better than the LSX block... and comes in an aluminum variant. 6-bolt heads, 4-bolt 1/2" splayed billet main caps from the SBC universe, and different oiling... basically all the goodness of a SBC bottom end with LS1 topend and bore spacing. The rev 2 of the block uses the GM LS oil pan. So it's a plug and play block now. I've found it $200 more than an LS3 block, but list it's about a grand more. Aluminum it's way the hell up there.

Last edited by JakeFusion; 03-14-2017 at 12:29 PM.
Old 03-14-2017, 12:28 PM
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Big Hammer darn good point it's all in the combo. But I think the 700 fwhp number is now OLD (anyone and there mom) is doing it now. The New out look should be 800 fwhp N/a and not with some big bore 440/454. I may sound like I'm chasing clouds but it's possible.


Jakes on Point with everything he said. BTW wet sleeves installed will run around 3k to $3200 plus depending on add modifications.

Last edited by Dark Energy; 03-14-2017 at 12:34 PM.
Old 03-14-2017, 12:40 PM
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Originally Posted by big hammer
I've seen where a guy made 721 hp NA on a 6.0 with ported stock ls3 castings. Not bad or what
Dark Energy told me about that/it's been awhile ... what intake? What compression ? Solid Roller ?
Sorry I can't remember everyone's build lol
Old 03-14-2017, 12:44 PM
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Originally Posted by big hammer
I've seen where a guy made 721 hp NA on a 6.0 with ported stock ls3 castings. Not bad or what
I think that was Eric Roycroft aka ER Racing.
Old 03-14-2017, 12:49 PM
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721 on a 6.0? Engine Masters? That was a 435. All of those engines do crazy stuff.

But, I don't know why we don't see more E85 builds for NA.

Imagine a 15:1 motor, big solid roller, big rect port heads, and a big single plane on a 440 or 454... but then packaging it and driving on the street would be an issue.

But a big LLSR cam, 400+cid, and a sheetmetal intake designed to fit the car could still put up big power and not be a dog on the street. Oh with some big Tri-Y headers...
Old 03-14-2017, 12:49 PM
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https://ls1tech.com/forums/carburete...ls3-build.html

KCS & Tusky you know I have this Booked marked LOL. It's better than the 721 hp.
Old 03-14-2017, 12:59 PM
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Not to go off subject but , I've purchased stuff Not needed and could have been up and running chasing this guy. And I still need parts LOL for the top-end.

http://webcache.googleusercontent.co...&ct=clnk&gl=us
Old 03-14-2017, 01:06 PM
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Here you guy's go for the 6.0 making 721 fwhp had to do a little digging.

https://ls1tech.com/forums/dynamomet...-8000-e85.html


Jake just for you OLD thread in what you were looking or asking for remove race gas for E85 and a smaller lift cam.

https://ls1tech.com/forums/dynamomet...e-dyno-na.html

Last edited by Dark Energy; 03-14-2017 at 01:13 PM.
Old 03-14-2017, 01:14 PM
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Originally Posted by JakeFusion
721 on a 6.0? Engine Masters? That was a 435. All of those engines do crazy stuff.
It wasn't a 6.0 like I thought it might have been, nor was it his Engine Masters entry:

http://www.yellowbullet.com/forum/sh...1250106#/enter

Same thing Dark Energy posted. 790hp with a 376ci LS3
Old 03-14-2017, 01:27 PM
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Thanks Dark Energy.... I just reread that build. That's not a motor I'll like to have as far as a daily driver nor would I want to cut my cowl to run that intake. Op just want to run 11s and stay steetable. He not building a drag car to run 8s in the quarter.
Old 03-14-2017, 01:43 PM
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Just putting up threads some have forgotten that could be tamed down to be a Bad Mama Jammer. What some consider street-able others call Radical. Remember my 1st combination 4yrs ago is what I wanted and consider street-able 260-272 @ .050 730ish lift on a 113+4 lsa. I just learned to learn from others and use it for my Own application.
Old 03-14-2017, 01:56 PM
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No need to build a 15.1 compression motor go 11s when it can be done on the stock bottom end.

http://www.hotrod.com/articles/hrdp-1009-trick-flow-specialties-11-second-1998-chevy-camaro-project-car/
Old 03-14-2017, 02:37 PM
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Lets just say for example for conversation, guy is building a engine from scratch or had a well done short block. Had E85 readily available why not crank it up and still be very much streetable and look to get 10's with a stock size engine with a FAST or MSD intake. It's all in Game planning and budget. I have two other cars besides the s10 so to me it doesn't matter, but to others it does. For someone wanting to keep it simple and wanting something simple do what the simple do. If your looking to call what I like 2 say cheating, bump the compression up to the max of the fuel you have readily available throw a nice LLSR cam and eat. *(Either is simple) one just adds more cost and not really as they sell adjustable stud mounted rockers to help with cost of going solid. That way in the future you don't go asking yourself: What if and if I just would,could, and things like that. I understand what your saying Tusky there are plenty of ways to skin a cat and still be in Budget.

Last edited by Dark Energy; 03-14-2017 at 02:44 PM.
Old 03-14-2017, 06:26 PM
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Originally Posted by KCS
It wasn't a 6.0 like I thought it might have been, nor was it his Engine Masters entry:

http://www.yellowbullet.com/forum/sh...1250106#/enter

Same thing Dark Energy posted. 790hp with a 376ci LS3
That's badass. Ls3's shine when you feed the rpm to them
Old 03-14-2017, 08:18 PM
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Yes, lots of choices for cyl heads. MMS offers a set of 250 cc Cathedrals too based on the 245 AFR if I'm not mistaken. The TFS 255 looks like a good choice for the money with its smaller high flowing square port LS3 style but I've been told the they could use a little work to get the most out of them although they're very good as cast.



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