Gen IV 5.3L Turbo Build - LS1TECH - Camaro and Firebird Forum Discussion

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Gen IV 5.3L Turbo Build

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Old 04-15-2018, 06:20 PM
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Default Gen IV 5.3L Turbo Build

I just recently purchased a 2010 Chevrolet Suburban 4x2 with an iron LMG. I'm planning throwing a turbo kit on it so I can have a not so typical 600-700hp family SUV. The research I have done suggests that I need to open up the motor and address the ring gaps. Since the motor has 140,000 miles on it and it needs to be disassembled, I am looking to address the following:

1. Bore the block out to 3.905", line honed and decked (I wanted to bore it out to 4.0" but I read that it's not recommended)
2. New forged flat top pistons, I-beam rods and new bearings (crank and cam)
3. Mild cam (I have no idea what specs to look for. Some say LS6 will suffice and some say go with a custom grind)
4. Ported & polished heads with a valve job, new guides, roller rockers & lifters and PAC 1218 springs
5. New timing set, water pump and oil pump
6. ARP head studs/bolts and LS9 MLS head gaskets
7. Stock intake manifold, throttle body and 1000 cc injectors
8. On3 turbo kit with a Borg Warner S475 turbo

Please feel free to chime in and let me know if I'm on the right path or what recommendation you have.

Thanks in advance, Jason!
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Old 04-16-2018, 07:27 AM
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Sounds like a lot of unnecessary expense.

For 600 HP, I would skip #s 1, 2, 4, 5, 6.
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Old 04-16-2018, 09:24 AM
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Originally Posted by joenova View Post
sounds like a lot of unnecessary expense.

For 600 hp, i would skip #s 1, 2, 4, 5, 6.
this 100%
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Old 04-16-2018, 09:26 AM
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Default Build Sheet = COST Reduction

Hi Jason, I too agree with Joe.

I would like to state a similar build with some OEM items found in good condition.

1. Bore and TP hone to 3.904" for FF STEEL Rings, NO Main/Deck work with a "read" of the OLD bearings for Alignment Verification AND Straight Edge of deck measured. (-$300.00)
2. Racetech Forged Pistons with STEEL Rings, My Forged "H" beam rods, King bearings. (Equal)
3. YES, a Z-06 camshaft $100.00, the same one I made [email protected]. (Equal)
4. New S/S Valves, Serdi Valve Machined job, guides should be OK with S/S NEW Valves, No Porting just simple "blend" work, CHE Rocker Rebuild, PSI 1511ML Valve Spring. (-700.00)
5. My Avon Gear Timing Set, GM Water Pump and GM VVT Oil Pump. (Equal)
6. My Head Studs, FelPro [email protected]" (-200.00)
7. My 850 CC fuel Injectors (same)
8. Turbo OR Eaton S/C ???

Lance
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Old 04-16-2018, 09:52 AM
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Originally Posted by Pantera EFI View Post
Hi Jason, I too agree with Joe.

I would like to state a similar build with some OEM items found in good condition.

1. Bore and TP hone to 3.904" for FF STEEL Rings, NO Main/Deck work with a "read" of the OLD bearings for Alignment Verification AND Straight Edge of deck measured. (-$300.00)
2. Racetech Forged Pistons with STEEL Rings, My Forged "H" beam rods, King bearings. (Equal)
3. YES, a Z-06 camshaft $100.00, the same one I made [email protected]. (Equal)
4. New S/S Valves, Serdi Valve Machined job, guides should be OK with S/S NEW Valves, No Porting just simple "blend" work, CHE Rocker Rebuild, PSI 1511ML Valve Spring. (-700.00)
5. My Avon Gear Timing Set, GM Water Pump and GM VVT Oil Pump. (Equal)
6. My Head Studs, FelPro [email protected]" (-200.00)
7. My 850 CC fuel Injectors (same)
8. Turbo OR Eaton S/C ???

Lance
I never have any idea what youre saying. lol
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Old 04-16-2018, 10:32 AM
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Originally Posted by Mavn View Post
I never have any idea what youre saying. lol
Quit being such an ***! He's speaking the same English we learned in school. Well, in my case, at least...
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Old 04-16-2018, 11:14 AM
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Originally Posted by JoeNova View Post
Sounds like a lot of unnecessary expense.

For 600 HP, I would skip #s 1, 2, 4, 5, 6.
Sorry, I forgot to mention that I wanted to overbuild it so I can round up that 600-700hp number to 1000+hp in the future.
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Old 04-16-2018, 11:18 AM
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Originally Posted by Pantera EFI View Post
Hi Jason, I too agree with Joe.

I would like to state a similar build with some OEM items found in good condition.

1. Bore and TP hone to 3.904" for FF STEEL Rings, NO Main/Deck work with a "read" of the OLD bearings for Alignment Verification AND Straight Edge of deck measured. (-$300.00)
2. Racetech Forged Pistons with STEEL Rings, My Forged "H" beam rods, King bearings. (Equal)
3. YES, a Z-06 camshaft $100.00, the same one I made [email protected]. (Equal)
4. New S/S Valves, Serdi Valve Machined job, guides should be OK with S/S NEW Valves, No Porting just simple "blend" work, CHE Rocker Rebuild, PSI 1511ML Valve Spring. (-700.00)
5. My Avon Gear Timing Set, GM Water Pump and GM VVT Oil Pump. (Equal)
6. My Head Studs, FelPro [email protected]" (-200.00)
7. My 850 CC fuel Injectors (same)
8. Turbo OR Eaton S/C ???

Lance
Thanks for the feedback! Would any of this change if you wanted to have the capacity to open up the waste gate to make 1000+hp or could it still be done safely with this "recipe"?
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Old 04-16-2018, 11:47 AM
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Originally Posted by JayCabay712 View Post
Would any of this change if you wanted to have the capacity to open up the waste gate to make 1000+hp or could it still be done safely with this "recipe"?
Que??
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Old 04-16-2018, 12:53 PM
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Originally Posted by JayCabay712 View Post
Would any of this change if you wanted to have the capacity to open up the waste gate to make 1000+hp or could it still be done safely with this "recipe"?

"Opening" the wastegate bleeds off all pressure making the engine naturally aspirated. You mean holding the wastegate shut?? And then BLOWING the engine in more ways than one, possibly...
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Old 04-16-2018, 01:15 PM
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Originally Posted by JoeNova View Post
Que??
Originally Posted by G Atsma View Post
"Opening" the wastegate bleeds off all pressure making the engine naturally aspirated. You mean holding the wastegate shut?? And then BLOWING the engine in more ways than one, possibly...
I just want to get 1.21 jigawatts.
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Old 04-16-2018, 01:17 PM
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I hope you've had cars with 1000 HP before. Most of the guys that come to me wanting 1000 HP kiss the ground after doing 800whp street pulls with me. 99.99% of the guys here that just casually throw out 1000 HP as a goal never even finish their overly ambitious builds.
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Old 04-17-2018, 10:48 AM
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Default Hart 416 = 1400 HP @ 89 CID

Hi Jay, sure just use GOOD fuel AND HIGH RPM.

You WOULD REQUIRE larger fuel injectors.

My friend Brian Hart did so with his four cylinder engine with a displacement of 1500cc (89 CID) AND the OUTPUT was 1400 HP.

Thus a LS 7000 cc could make 6K HP with the same tune.

YES Joe, a "hand-full of wheel", I KNOW this as a FACT with my Lola333cs 619HP and a weight of 1520 .lbs (2Lb/1HP)

Lance
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