LST / LS-T Turbo B18A B18B setups
03-06-2012, 07:40 PM
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Re: LST / LS-T Turbo B18A B18B setups
So I Got a ? For u guys.... I just got 25 inch slicks mh. And alot of people are saying they r way to big for my set up. I'm probually only making 280 to 300hp I would guess. It's a b20 on 20lbs on ectune. Thanks again
03-07-2012, 03:50 AM
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Re: LST / LS-T Turbo B18A B18B setups
WAYYYYYY to much tire for 300whp. you should be on 23" slicks unless you running a b16 trans with a 4.7 final drive lol
03-07-2012, 06:29 AM
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Re: LST / LS-T Turbo B18A B18B setups
http://www.jepistons.com/Catalogs/SR.../b18a1-b1.aspx
I got the info from this page part number 149219. Anymore info on this?
I got the info from this page part number 149219. Anymore info on this?
03-07-2012, 02:03 PM
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03-07-2012, 02:46 PM
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Re: LST / LS-T Turbo B18A B18B setups
23" is good for up to 450-500hp tires aren't. He only thing that yve you traction. 24.5" slicks need a minimum of 400whp otherwise to large especially on an ls trans
03-07-2012, 05:43 PM
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Re: LST / LS-T Turbo B18A B18B setups
Ok, the srp pistons I got on the box it says compression is 9:2 but on their web site as far as I know it says 9:5:1. I want to know if there talking about with the head milled? The part number is 149219 Heres the link
http://www.jepistons.com/Catalogs/SR.../b18a1-b1.aspx
http://www.jepistons.com/Catalogs/SR.../b18a1-b1.aspx
03-08-2012, 05:11 AM
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Re: LST / LS-T Turbo B18A B18B setups
It states compression ratio with .040. Im assuming that has something to do with deck height and/or head being milled enough to be sure the srufaces are true but i cant say for sure. I'm running the srp 9.4 pistons 149237 and with an LS there supposed to be 9.0 but seeing there in a GSR block its with ls crank and gsr head its higher
Last edited by Turbo-LS; 03-08-2012 at 06:56 AM.
03-08-2012, 06:54 AM
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Re: LST / LS-T Turbo B18A B18B setups
It states compression ratio with .040. Im assuming that has something to do with deck height and/or head being milled enough to be sure the srufaces are true but i cant say for sure. I'm running the srp 9.2 pistons in my car and with the head milled slightly its 9.5-9.7 i forget my compression numbers off the top of my head. Even at 9.2 it will be a healthy motor out of boost and give you more room for detonation threshold. Dont sweat it
03-08-2012, 04:37 PM
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03-08-2012, 10:11 PM
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03-09-2012, 04:28 AM
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Re: LST / LS-T Turbo B18A B18B setups
they have larger runners than cast logs, they flow pretty well. Not as good as a tubular manifold but there still good
03-09-2012, 10:03 AM
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Re: LST / LS-T Turbo B18A B18B setups
To run the gsr oil pump and water pump you will need to also run the gsr timing belt. If I remember correctly the maximum amount that a b series head can be safely milled is like .030" and typically a standard resurface is .005" maximum. To be on the safe side you could have it milled to the factory service limit indicators and probably be okay without having to make adjustments at the cam gears to make up for the difference.
03-09-2012, 10:50 AM
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Re: LST / LS-T Turbo B18A B18B setups
still don't know if i want to get stock pistons and rods and build it myself or aftermarket and have someone build it for me. Once i make up my mind Ill order the parts. I should have the rest of the turbo kit within the next 2 weeks though
03-10-2012, 02:59 PM
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Re: LST / LS-T Turbo B18A B18B setups
first track day of the year, first passes on the new setup
100% stock internal LS w/ a Evo 8 16g
[youtube]IgLb51BVpIU[/youtube]
[youtube]FmucKV1J3PI[/youtube]
couldn't get traction on the ET Streets today and the nice gusting head wind didn't help anything. best pass of the day was a 12.3 @ 116 vs the Camaro. she's gonna go 11's with better conditions.
100% stock internal LS w/ a Evo 8 16g
[youtube]IgLb51BVpIU[/youtube]
[youtube]FmucKV1J3PI[/youtube]
couldn't get traction on the ET Streets today and the nice gusting head wind didn't help anything. best pass of the day was a 12.3 @ 116 vs the Camaro. she's gonna go 11's with better conditions.