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Ls3 heads on a ls1?

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Old 06-27-2012, 04:59 PM
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Default Ls3 heads on a ls1?

I'm new and I was just wondering if ls3 heads will fit on my ls1 motor.
Old 06-27-2012, 04:59 PM
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They will not. They need minimum 4.000" bore.
Old 06-27-2012, 05:02 PM
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k thanks, you just saved me a lot of money. By the way, do you know what the best heads for a ls1 would be?
Old 06-27-2012, 05:07 PM
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Originally Posted by T/A lover
k thanks, you just saved me a lot of money. By the way, do you know what the best heads for a ls1 would be?

That is such a broad question with an infinite number of answers. Do research on this forum and decide for yourself. If money is no concern AFR's, TFS, TEA, and AI are very popular around here. Although if you are on a budget many many sponsors >>>>>to the left have stock casting heads that have their CNC program run on them with great results.
Old 06-27-2012, 05:07 PM
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http://www.ws6project.com/user_stor/...sembled-heads/

These were the heads by the way.
Old 06-27-2012, 05:09 PM
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oh also i was going to bore out the motor with a stroker kit.
Old 06-27-2012, 05:10 PM
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http://www.ws6project.com/user_stor/...y-3-905-bore-/

dang it i am having a hard time posting everything at once.
Old 06-27-2012, 05:14 PM
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A guy on another forum just told me that this setup would work. please tell me he is messing wth me because im confused.
Old 06-27-2012, 06:35 PM
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Originally Posted by T/A lover
...do you know what the best heads for a ls1 would be?
I suggest you do your homework. Questions like this are often answered with very offensive responses.

Newbie Tech
Old 06-27-2012, 07:15 PM
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You can find forged stroker rotating assemblies a lot cheaper.

http://www.texas-speed.com/p-787-tsp...-assembly.aspx

The MAST LS3 heads you linked to are small bore heads. They are the exception, because normally LS3 heads require at least a 4" bore. Even those heads will shroud the valves a bit on a small bore. So, there might be other choices to consider. For that price you could get Trick Flow 215, which are really nice on a LS1.

http://www.hinsonsupercars.com/p-102...ted-215cc.aspx

Or if you are on a tight budget, stage 2.5 ported LS6 heads.

http://www.texas-speed.com/p-4-prc-s...ted-heads.aspx
Old 06-27-2012, 07:26 PM
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We appreciate the references batboy! I would also recommend taking a look at our PRC 227 heads. While it is a very open ended question, these are some of the best heads we can offer for a stock cubic inch LS1.

http://www.texas-speed.com/p-1163-pr...der-heads.aspx
Old 06-27-2012, 07:42 PM
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Mast motorsports makes a small bore 3.9 ls3 head.
Old 06-27-2012, 10:35 PM
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K thanks I'll look into it. Texas Speed and Performance, do you guys also make turbo kits?
Old 06-27-2012, 11:13 PM
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I know I am going to sound like a noob but. Texas Speed, what should I do if I want a camshaft that starts at low rpms and ends a t high rpms. Going to be a daily driver.
Old 06-27-2012, 11:14 PM
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http://www.texas-speed.com/p-161-com...-camshaft.aspx
Old 06-28-2012, 12:25 PM
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T/A lover i just got my car and am excited too. try to focus, even if only to enable yourself to see something through.
Old 06-28-2012, 12:36 PM
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OP, read this link. Don't skim through it, actually digest it...it will answer many of your questions...
https://ls1tech.com/forums/generatio...cam-guide.html
Old 06-28-2012, 03:02 PM
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Well that is a pretty broad question. Is your car auto or manual? Depending on the answer to that I would look at either the 224R on a 114 LSA or a 228R on a 112 LSA. These cams deliver a very broad power and and once tuned will have very good street manners.




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