heads
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heads So I have a set of 243 heads now (not on the car). My builder is pushing me towards an upgrade. Should I look at the 5.3 stage 2.5 or stage 1 ls6 heads. It will me matched with a torquer 2 cam.
agreed depending on your goal cant really help much
but i am doing that same head/cam build. (as for machining i am only getting them milled.) Getting them leak checked and checked for cracks to. Hoping with supporting mods it will bring me right up to 400hp for a dd.
but i am doing that same head/cam build. (as for machining i am only getting them milled.) Getting them leak checked and checked for cracks to. Hoping with supporting mods it will bring me right up to 400hp for a dd.
Thread Starter
Teching In
Joined: Feb 2009
Posts: 26
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sorry for the lack of info. it is just a weekend cruiser. i get to drive it maybe once a month. will have zero track time. i am not looking for the fastest car around just something to have fun with. my builder just said he has seen it a thousand times, so we should just get heads to start with. a4 c5 will have a torquer 2 and a 3200 stall.
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I've seen average 420 430 ish range with the 5.3 heads with tsp cams. But if you have 243's already.. Why not send them off to get ported and polished ? T.e.a does black magic on there sent in ported heads I would check them out and I've seen A.I do wonders on 241's
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With their larger valves, they do actually outflow and perform the Stage 2 LS6's. But, as someone said, since you have stock 243's already you could send those to us to have us port them and save some money and get better performance!
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about how much does it run to have a set of heads sent it to have them ported? say some l92s?
So your saying the 5.3 heads out perform the Stage 2 LS6s?
No, I'm sorry...I meant Stage 1 LS6's...I'd prefer the Stage 2.5 LS6's over the Stage 2.5 5.3L heads. Sorry for the confusion!
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$899.99 for the CNC porting and valve-job. Then you have the options for valves and spring towards the bottom of the page
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RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!