I think you could port polish the stocker on your 04(LS6 intake) couple that with an 80MM BBK TB. Some 243 heads or reworked 241s from Advanced Inductions, Headers(the consensus is longtubes but I like the idea of shorties) mid pipes, 42Lbs injectors, .612/.600 228/232 111 lsa cam, UD pulley and a nice OTR CAI like the one from West Coast speed and a tune at the end. All said an done I would bet you would be putting down 450WHP maybe a bit more.
If you go with AI to do your head work talk to them about a matching cam and go with what they recomend.
A good dyno tune is in the $600 area. The cam is about $350+/- Heads are going to run you at least $1100 unless you are going to supply either your 241s or 243s to be worked and then you are in the whole for$8-900. Injectors are about $500 +/-. The BBK 80mm TB is about $280. SLP UD pulley is about $200. You could get a FAST 102 and an even larger TB in the $1200 range. Truth be told you could spend $3,000 on heads and a cam if you really went all out on the valves and rockers.
With you doing ALL of the install work and having it tunes you are close to $4,000 if you did ALL of this.
I would start with heads and a cam if you already have headers and catless mids. Heads, cam and a tune maybe the larger TB and I would be you will be close to 370 at the wheels.
My guess with your current setup and a good tune you are in the 320WHP neighborhood. Heads and cam could easily add 50WHP to your setup.
No way do a cam and clutch cost $3000. I can put anything in myself. I've never had a tune, but that can't cost that much $$$.
$750 +-: cam, springs, retainers, clips, seals, pushrods
$120+-: cam install goodies(gaskets, bot, new timing chain while you are there) *I'd do a UP pully while you are there also and thats a little more $
--------
$870
$500+- : tuning
--------
$1370
$500 : used 243 heads
--------
$1870
You have $1130 to do an upgraded clutch, fly, slave, SS lines, and I think you would be crazy not to install a remove bleeder and better shifter while you are there.
Thank you for all your help and how you layed out the prices for me. Been looking for someone to do that for me. I've got a cam, springs, etc, clutch, (already have a shifter) picked out, looks like I'll be just over my goal with used heads and a tune. Looks like about $3,500. Found a local dyno shop that does a lot of LS work. Just a couple more months of saving and I'll be ordering everything up, laying it out on my workbench, and getting to it!
$750 +-: cam, springs, retainers, clips, seals, pushrods
$120+-: cam install goodies(gaskets, bot, new timing chain while you are there) *I'd do a UP pully while you are there also and thats a little more $
--------
$870
$500+- : tuning
--------
$1370
$500 : used 243 heads
--------
$1870
You have $1130 to do an upgraded clutch, fly, slave, SS lines, and I think you would be crazy not to install a remove bleeder and better shifter while you are there.
I think you will go over budget.
I think you are getting the shaft on the tuning cost. My tuner is doing mine for $250. And you're looking at closer to $950 before the tune, with the timing set, and gaskets
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I've got a cam, springs, etc, clutch, (already have a shifter) picked out, looks like I'll be just over my goal with used heads and a tune. Looks like about $3,500. Found a local dyno shop that does a lot of LS work. Just a couple more months of saving and I'll be ordering everything up, laying it out on my workbench, and getting to it!
Alky GTO
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