Project Red Headed Screamer: Destroked 6.0, 333ci 12.5:1, twin 6468s, faceplated T56
07-13-2012, 12:36 AM
#1
Project Red Headed Screamer: Destroked 6.0,12:1, C5-R heads, solid roller, S485 Not quite your average budget build here, straying off the path from most a little bit. I'll start with a little story of how the year started off for me, and how the build plan came about.
It all started the day I took my car out of storage in February. I wanted to bring my car back home so I could work on it, and get it all ready to go for the summer. With the addition of the FAST 90, and billet MAF ends, it was rather lean at WOT. I figured I was going to pick at the tune some myself, and see what I could find and learn a thing or two. I drove it 120 miles from storage at the parents place, back to my house. When I pulled into the garage with the window down, I heard a dreaded valvetrain tick. Great.
So the next day I drove it to work, and pulled the valve covers in hopes of finding a broke spring, or bent pushrod. No such luck, everything looked just fine and in working order. So at that time I decided I would just put it back together and run it as is, in hopes it would come out of it. If it scattered parts on the floor, so be it. Bolted the car on the dyno up at work, and flogged on it for the day just having some fun and practicing tuning on it. Made it through the tuning session alive, and tuning picked up 30 rwhp.
The noise was still there loud as ever. So I drove it back to storage to let it sit, while I came up with a new plan. On the drive back to the parents it got worse, and eventually I could feel it start to miss. Did a few top end pulls, just to make sure I could really see the damage when the time came to pull it apart. 
Fast forward a few months, I had come up with a plan to build a nice NA 370 with the parts I have, buy some good heads to put on it and make 500rwhp. Around that time is when my buddy Nathan at One Guys Garage was finishing up his new 5.3 turbo setup, and was planning on bringing it up to TPIS for a dyno session. Well, when his stock 5.3 made 820hp with just a little turbo, it got me thinking. Of course I knew about turbos and how easy they were to make power with, I just didn't have the means to make a kit myself. After talking with Nathan for a while following the dyno session, we decided he could whip up a kit for me, and I too could have some turbo'd LS fun.
So that's when the turbo build planning began. I knew I wanted to keep AC being its a street car, so we decided a truck/c6 manifold kit would be the ticket. So with most the details worked out, all that was left to do is pull the engine and start buying parts! Sorry mostly cell phone pics for now, better high quality camera pics to come.
Pulling the engine:
What I found inside:
One other lifter also had a roller wheel axle falling out, put a nice gouge in one of the other lifter bores as well.
So with everything apart, time to get to work with the new build. Here are the details!
Details of the car:
98 Z28 6 speed
Liberty Factplated T56
SPEC Super Twin P-trim
Tick Adjustable Master
Moser 9" 31 spline, trutrac, 4.11's
BMR Turbo K-member
UMI Solid Motor Mounts
Engine setup, machined and built by yours truly:
Iron "5.3" 332ci on E85, ARP head/main studs, custom coated diamond pistons, callies rods, stock crank.
Ported LS3 heads, LS3 hollow stem intake valves, LY6 inconel exhausts, PRC EHT springs
LS9 headgaskets
239/243 .625/.625 116lsa Comp Cam
Morel link bar lifters, 3/8 pushrods
9.5:1 Compression Ratio
Turbo/Fuel setup:
Precision PT8847 .96 A/R turbo
Truck/C6 manifold/4" downpipe turbo kit, keeping AC, with stock radiator location, built by Nate at One-Guys-Garage.com
Precision 46mm Wastegate
RPS 50mm BOV
LS3 intake
Bosch 240lb High Z injectors
Triple 340 LPH fuel pumps
Some may be wondering how I am going to fit LS3 heads on a little old 5.3. Well, I'm using a 6.0 block .020 over, and a stock 4.8 3.267" crank.
Going with the 4.8 crank mostly to try something different, boost will be my replacement for displacement in this case. Somewhat similar to the new COPO Camaro 5.3 engine setup. Hoping to turn it 7500+, obviously the stock intake will be the limiting factor somewhere along the line.
I will most likely go to a single plane later on. Just going to get it running in this configuration first, work out the bugs and go from there.
Final hopes/goals for the build are 20-22psi max, and 850+ rwhp of tire shreading, gear ripping fun. Let me know what you think!
Few pics of the parts and progress so far, plenty more pics and updates to come!
Results so far: 1092hp flywheel @7600rpm boost creeping to 20psi, 992hp@7000RPM/798tq@6100RPM on solid 16psi
It all started the day I took my car out of storage in February. I wanted to bring my car back home so I could work on it, and get it all ready to go for the summer. With the addition of the FAST 90, and billet MAF ends, it was rather lean at WOT. I figured I was going to pick at the tune some myself, and see what I could find and learn a thing or two. I drove it 120 miles from storage at the parents place, back to my house. When I pulled into the garage with the window down, I heard a dreaded valvetrain tick. Great.
So the next day I drove it to work, and pulled the valve covers in hopes of finding a broke spring, or bent pushrod. No such luck, everything looked just fine and in working order. So at that time I decided I would just put it back together and run it as is, in hopes it would come out of it. If it scattered parts on the floor, so be it. Bolted the car on the dyno up at work, and flogged on it for the day just having some fun and practicing tuning on it. Made it through the tuning session alive, and tuning picked up 30 rwhp.
The noise was still there loud as ever. So I drove it back to storage to let it sit, while I came up with a new plan. On the drive back to the parents it got worse, and eventually I could feel it start to miss. Did a few top end pulls, just to make sure I could really see the damage when the time came to pull it apart. Fast forward a few months, I had come up with a plan to build a nice NA 370 with the parts I have, buy some good heads to put on it and make 500rwhp. Around that time is when my buddy Nathan at One Guys Garage was finishing up his new 5.3 turbo setup, and was planning on bringing it up to TPIS for a dyno session. Well, when his stock 5.3 made 820hp with just a little turbo, it got me thinking. Of course I knew about turbos and how easy they were to make power with, I just didn't have the means to make a kit myself. After talking with Nathan for a while following the dyno session, we decided he could whip up a kit for me, and I too could have some turbo'd LS fun.
So that's when the turbo build planning began. I knew I wanted to keep AC being its a street car, so we decided a truck/c6 manifold kit would be the ticket. So with most the details worked out, all that was left to do is pull the engine and start buying parts! Sorry mostly cell phone pics for now, better high quality camera pics to come.
Pulling the engine:
What I found inside:
One other lifter also had a roller wheel axle falling out, put a nice gouge in one of the other lifter bores as well.
So with everything apart, time to get to work with the new build. Here are the details!
Details of the car:
98 Z28 6 speed
Liberty Factplated T56
SPEC Super Twin P-trim
Tick Adjustable Master
Moser 9" 31 spline, trutrac, 4.11's
BMR Turbo K-member
UMI Solid Motor Mounts
Engine setup, machined and built by yours truly:
Iron "5.3" 332ci on E85, ARP head/main studs, custom coated diamond pistons, callies rods, stock crank.
Ported LS3 heads, LS3 hollow stem intake valves, LY6 inconel exhausts, PRC EHT springs
LS9 headgaskets
239/243 .625/.625 116lsa Comp Cam
Morel link bar lifters, 3/8 pushrods
9.5:1 Compression Ratio
Turbo/Fuel setup:
Precision PT8847 .96 A/R turbo
Truck/C6 manifold/4" downpipe turbo kit, keeping AC, with stock radiator location, built by Nate at One-Guys-Garage.com
Precision 46mm Wastegate
RPS 50mm BOV
LS3 intake
Bosch 240lb High Z injectors
Triple 340 LPH fuel pumps
Some may be wondering how I am going to fit LS3 heads on a little old 5.3. Well, I'm using a 6.0 block .020 over, and a stock 4.8 3.267" crank.
Going with the 4.8 crank mostly to try something different, boost will be my replacement for displacement in this case. Somewhat similar to the new COPO Camaro 5.3 engine setup. Hoping to turn it 7500+, obviously the stock intake will be the limiting factor somewhere along the line.
I will most likely go to a single plane later on. Just going to get it running in this configuration first, work out the bugs and go from there.
Final hopes/goals for the build are 20-22psi max, and 850+ rwhp of tire shreading, gear ripping fun.
Let me know what you think!Few pics of the parts and progress so far, plenty more pics and updates to come!
Results so far: 1092hp flywheel @7600rpm boost creeping to 20psi, 992hp@7000RPM/798tq@6100RPM on solid 16psi
Last edited by Jakson; 11-05-2018 at 04:32 PM.
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07-13-2012, 06:06 PM
#9
N/A, I'm thinking it will be in the 530-550hp range at the crank.
Last edited by Jakson; 10-22-2012 at 06:00 PM.
