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Will this combo meet my hp goals?

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Old Mar 12, 2006 | 12:37 PM
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Default Will this combo meet my hp goals?

Ok well to start off i am a F/I newb but me and my my car are definantly no virgins when it comes to power as you can see in my sig. Im looking for some more power as is evryone these days. Im wanting to get between 700-750rwhp and still be a reliable car. It isn't a DD, but i do drive it quite a bit. Here is a quick rundown of the set up i am wanting to run and just tell me what yall think of it. I already bought a 6.0 motor a while back and i have had it bored .030 over to make a 370 obviously so that will be my block with the stock crank that came with the motor. I want to run a PTK kit with a
t-76 upgrade turbo. I chose the PTK b/c i took a look at their kits and they seem to be the most complete kit and i can keep my a/c and not have to change out k-member. For the heads im just planning to run stock 6.0 heads. For the cam not sure yet, probaly something just a little bigger than a z06 cam. My car already has an upgraded fuel pump so thats a plus. i know i need injectors. And i already have a dynotune a/f gauge and hp tuners w/eio so the tuning won't be a problem. For the motor i have already bought some 6.125 lunati rods. And pretty soon im gonna order some diamond pistons that are -15cc and a 1.310 CH. will these work ok? So if i put the turbo kit on and have it tuned correctly and run about 13-15 psi what will the hp be? Also i will probaly end up buyin an alky kit..thanks.
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Old Mar 12, 2006 | 03:32 PM
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ttttt
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Old Mar 12, 2006 | 03:45 PM
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Sounds like a good combo, but I would not run a Z06 cam unless it was free and I was tight for $.
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Old Mar 12, 2006 | 04:06 PM
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who would you have grind the cam?
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Old Mar 12, 2006 | 04:09 PM
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I'd go through a place like Speed Inc. or W2W for a turbo cam.
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Old Mar 12, 2006 | 10:03 PM
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Originally Posted by Pro Stock John
I'd go through a place like Speed Inc. or W2W for a turbo cam.
ok cool thanks. What about the pistons and rods i chose, do they sound good? and also with stock 6.0 heads and the pistons i chose will my CR be to high? and do yall think this combination could hit 750rwhp?
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Old Mar 13, 2006 | 07:43 AM
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anyone else got some input?
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Old Mar 13, 2006 | 05:12 PM
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and one last question i just thought of. when people use 6.0 heads do you use the lq4 or lq9 heads? im pretty sure the lq4's are the lower compression but not for sure.
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Old Mar 13, 2006 | 05:36 PM
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Originally Posted by 5.3litre
and one last question i just thought of. when people use 6.0 heads do you use the lq4 or lq9 heads? im pretty sure the lq4's are the lower compression but not for sure.
Some info I copied from this site;

ALL Gen III heads are interchangeable.

Here is a list of a few casting #'s:

933 97 aluminum perimeter bolt 5.7
806 97-98 aluminum perimeter bolt 5.7
853 99-00 aluminum center bolt 5.7
241 01-03 aluminum center bolt 5.7 (some late MY00 cars got 241 castings)
243 LS6 aluminum center bolt 5.7
862 and 706 99 and up 4.8-5.3 truck heads
873 99-00 LQ4 6.0 iron center bolt heads
317 01 and up LQ4 6.0 aluminum center bolt heads
035 02 and up LQ9 6.0 aluminum center bolt heads


Casting Number 317
Head: 2001+ LQ4 6.0 Litre Truck
Material: Aluminimum
Part Number:
12572035
Combustion Chamber Volume: 71.06cc
Compression Ratio: 10:1
Intake Port Volume: 210cc
Exhaust Port Volume: 75cc
Intake Valve Diameter: 2.00 inches
Exhaust Valve Diameter: 1.55 inches
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Old Mar 13, 2006 | 08:03 PM
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ok cool thanks man. i have put my piston numbers and the lq4 heads into a compression calculator and the compression keeps showing like 4:3 or around there. what is the deal?
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Old Mar 13, 2006 | 09:11 PM
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I have been running a set of 6.125 rods and a set of custom Diamond pistons.... Gone 144mph so far. Hopefully I can run 20mph faster than that this year before I find the limits of the shortblock.
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