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Head swap??

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Old Apr 26, 2009 | 10:38 PM
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Default Head swap??
I have a ls2..
Got my hands on a new set of 09 ported ls3 heads.. Will they fit with my current intake .or will i have to use a ls3 intake??



Thanks
Last edited by MLCZ51; Apr 26, 2009 at 10:41 PM.
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Old Apr 26, 2009 | 11:00 PM
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need the L76 intake, and fuel injector adapters I do believe
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Old Apr 26, 2009 | 11:02 PM
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I think its a diff. intake due to the larger displacement eng. Just get a fast. Those are good heads though.
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Old Apr 27, 2009 | 03:45 PM
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may be interested in your LS2 heads are they 243 castings
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Old Apr 27, 2009 | 06:28 PM
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Default Heads won't be off until mid may..
Originally Posted by sbadd99
may be interested in your ls2 heads are they 243 castings
8300 miles on them .. Stock
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Old Apr 28, 2009 | 03:52 PM
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are they 243 castings
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Old Apr 28, 2009 | 08:57 PM
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You will also need 8 offset rockers, pedestals and LS3/L76 intake.

With the stock cam, ported LS3 heads are overkill.
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Old Apr 28, 2009 | 09:37 PM
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Originally Posted by sbadd99
are they 243 castings
Shipping Down Under! Thats gonna cost a TON, I would think.
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Old Apr 28, 2009 | 11:04 PM
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Default Yes
Originally Posted by sbadd99
are they 243 castings
YES...
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Old Apr 28, 2009 | 11:05 PM
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Default 232/234 595/598 112
Originally Posted by jayplayss2
you will also need 8 offset rockers, pedestals and ls3/l76 intake.

With the stock cam, ported ls3 heads are overkill.
will be installed also........
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Old Apr 28, 2009 | 11:23 PM
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Originally Posted by MLCZ51
will be installed also........
Looks like it's going to be an azz kicker. Those heads flow like 330 cfm out of the box and thats a nice beefy cam choise. What hp are you expecting? 475-485 would be my guess.
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Old Apr 29, 2009 | 12:11 AM
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Default 460ish.
Originally Posted by BOB EAGAN
Looks like it's going to be an azz kicker. Those heads flow like 330 cfm out of the box and thats a nice beefy cam choise. What hp are you expecting? 475-485 would be my guess.
I WON'T HAVE THE FAST INTAKE FOR A FEW MONTHS.. THEN MAYBE 475

388RWHP NOW
Last edited by MLCZ51; Apr 29, 2009 at 12:13 AM.
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Old Apr 29, 2009 | 10:35 AM
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Originally Posted by MLCZ51
I WON'T HAVE THE FAST INTAKE FOR A FEW MONTHS.. THEN MAYBE 475

388RWHP NOW
Sounds great. Don't think the make a Fast for those heads yet. Good luck.
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