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Forged Performance: Back from the dead with a complete motor and turbo rebuild....

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Old 10-14-2009, 11:11 AM
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MOTOWIPEOUT Z
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Default Forged Performance: Back from the dead with a complete motor and turbo rebuild....

As some of you know I had a little incident about this time last year with my stock block Greddy Twin Turbo '03 350z. Less than 2 hours after having a new boost controller (improperly) installed by a local shop in Dallas, my motor exploded when I went into boost sending shrapnel through both sides of my block, the heads, manifolds, turbos and downpipes, yes it was a complete loss.

So I made quite a few calls to multiple shops, local and across the country asked alot of questions and finally decided to give the job to none other than Forged Performance and shipped the car out to them in early March. I had hoped to get the car back before ZdayZ '09 but as with any big build project there were setbacks here and there plus I kept adding things along the way (because us OCD'ers like to do that sort of thing) but finally I flew out to ATL in September and drove her back home.

Despite the fact that it's been raining cats and dogs here in Texas I have had enough time in the car to say that I am very pleased with the way it runs. The car is a blast to drive just on wastegate boost (which is a little over 10.5 psi). At 15psi the thing is a rocket and it is difficult to find traction in the first 3 gears, even with 295 Yokohama AD08's. I also have as race gas fuel map and a high boost setting of 18psi and it makes hitting full boost an "oops I crapped my pants" moment every time. I guess the easiest way to sum it up is just to say "I like it alot!"


Here is the basic build sheet plus some before and after pics and dyno graphs.


Forged Performance Longblock:

Arias Zero Silicon AL EXTREME Duty Piston set 9.0:1 .020 overbore
Eagle Forged H Beam Beam Rod set VQ35 w/ ARP rod bolts
ARP Extreme Duty Head Stud Kit L19
ARP VQ35 Main Stud Kit
Cosworth Nissan VQ35 (3.5L) Rod Bearing Set-Tri Metal: STD
Cosworth Nissan VQ35 (3.5L) Main Bearing Set-Tri Metal: STD
Cosworth Thrust Bearings STD
FP S1 Shortblock Machining, Polishing Crank, Balancing Crank, and Assembling
Shortblock to our tolerances
HKS Metal Head Gasket 97mm
Nissan VQ35 350Z/G35 Rear Main Seal Retainer Assembly
Nissan VQ35 350Z/G35 Engine Overhaul Gasket Kit
Nissan OEM Rev-Up Oil Pump
JWT 350Z C2 Camshaft Set
JWT VQ35 Spring/Shim Kit VQ35
Labor: Dissassebly Cylinder Heads and set Valve Lash
Nissan VQ35 Rear Coolant Bypass System
Labor: Assemble Long Block
NGK-LFR7AIX Two Steps Colder Iridium
Carbonetics Triple Disc Carbon Clutch w/1350kg Pressure Plate

also...

Cosworth Intake Plenum
CJM Double fuel pump
CJM stage 2 fuel return system
HKS 1000cc injectors
Rebuilt GReddy TD05-18 G turbo's (x2)
Ceramic Coated SGP 3" Ceramic Coated Down Pipes
Tial 0.9bar Wastegate Springs
Forged Performance custom made Ceramic Coated W/G Relocation
and Open Dump Tube Kit

To complement the pre-existing HKS F-Con Vpro EMS we added the following...

HKS EVC 6 Boost Controller
HKS AFK Knock Amp/AFR monitor
HKS Nav-Pro
HKS Camp 2 which displays via a
Alpine IVA-W505 Headunit




Here is is my dyno from the original build it went Kaboom.




Sharif had to dyno the car on a Dynojet because of wheel spin secondary to my crappy Toyo Proxes 4 tires (the tire issue has since been addressed).




Here are the graphs from the dyno pulls I had done a few weeks ago. the last one is with a DynoJet correction, jsut to make me feel better about myself!


10.5psi 93 octane


15psi 93 octane


18psi VP Racing C16


18psi with DJ correction
Old 10-14-2009, 11:12 AM
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MOTOWIPEOUT Z
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Now for the before and after pics, some of you guys have already seen many of the pictures in other threads but i thought I would compile them into this thread for continuity so here we go!
















And here is here is the poorly installed Turbosmart E-boost2 that made my car crap the bed...




Now for some pics during the install.

My original VQ35de... RIP







And so the journey begins...












Last edited by MOTOWIPEOUT Z; 10-15-2009 at 02:52 AM.
Old 10-14-2009, 11:13 AM
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MOTOWIPEOUT Z
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]















At long last...


























Finally.......












Many thanks go out to the following:

Sharif, Sandy, Ryan and Chris at Forged for a job well done and tolerating my OCD. LOL
Mike the Powder Coater http://www.thepowdercoater.com/ For the awesome brake caliper coating job
and Marc with Creative Candy Powder Coating for the top notch ceramic coating. (both Mike and Marc have quick turn around times).
chopr3522 from Ebay for selling me a usable longblock for next to nothing ($350.)

Last edited by MOTOWIPEOUT Z; 10-14-2009 at 11:17 AM.
Old 10-14-2009, 11:18 AM
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thom000001
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Nice numbers and setup.

let us know how you like those tires!!!!

tom
Old 10-14-2009, 11:22 AM
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Motormouth
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well done post.
Old 10-14-2009, 11:34 AM
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MOTOWIPEOUT Z
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Originally Posted by thom000001
Nice numbers and setup.

let us know how you like those tires!!!!

tom
Thanks and so far I am a fan of the AD08's They have excellent lateral grip and braking in both wet and dry conditions (aggressive street driving) Havent tracked the car yet.

Originally Posted by Motormouth
well done post.
Thanks, I'm a long time lurker and have been taking notes! LOL
Old 10-14-2009, 11:36 AM
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XKR
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Very nice...well done
Old 10-14-2009, 11:54 AM
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rrmedicx
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Congrats!! Nice, clean write up.
Time to enjoy the car!!!
Old 10-14-2009, 12:03 PM
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bigcloud
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Nice post!! Super awesome car!!! Enjoy!!
Old 10-14-2009, 02:08 PM
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str8dum1
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nice!
I compiled some comparisons as well. Lil shocked that you only pulled 536 on full blown race gas.

Mid vs high boost


Here's a comparison between your 18g's and Jay's 20g's both at 15psi


and your high boost vs 20g 15psi


also compared to Cass007 APS kit with 3071's. Almost 100 ft-lbs of more trq under 4500 rpms!


and for fun, Hals 9.xx second gt42 kit vs the 18g's at 18psi. This will prolly be the powerband of Mike's car vs the others at ZdayZ Big Dawg!

Last edited by str8dum1; 10-14-2009 at 02:28 PM.
Old 10-14-2009, 03:00 PM
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OMERTAITALIA
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Nice numbers, just curious, can you play music on your indash while your looking at the camp2 screen?
Old 10-14-2009, 03:16 PM
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JAM3Z
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Epic car congrats! Looks like a tidy build putting out excellent power.
Old 10-14-2009, 03:27 PM
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Congrats brother!!

Also, good job str8dum1!! Your not do dumb after all.. jk..
Old 10-15-2009, 03:09 AM
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MOTOWIPEOUT Z
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Originally Posted by XKR
Very nice...well done
Thanks. BTW I posted on your on Shop rating thread

Originally Posted by rrmedicx
Congrats!! Nice, clean write up.
Time to enjoy the car!!!
Originally Posted by bigcloud
Nice post!! Super awesome car!!! Enjoy!!
Thanks rrmedicx and bigcloud, I am enjoying the car immensely!

Originally Posted by str8dum1
nice!
I compiled some comparisons as well. Lil shocked that you only pulled 536 on full blown race gas.
I was surprised as well, I had hoped to make somewhere north of 600rwhp on a DD but for right now I am more than satisified with the power of the car.

BTW, cool graphs!

Originally Posted by OMERTAITALIA
Nice numbers, just curious, can you play music on your indash while your looking at the camp2 screen?
Thanks and yes I can listen to cd's or the ipod with the Camp2 display on.

Originally Posted by JAM3Z
Epic car congrats! Looks like a tidy build putting out excellent power.
Thank you kind sir and good luck selling your car.

Originally Posted by Jay'Z
Congrats brother!!

Also, good job str8dum1!! Your not do dumb after all.. jk..
I appreciate it! I was glad to see you that you fixed all your Procharger issues with a set of 20g's!

Last edited by MOTOWIPEOUT Z; 10-15-2009 at 03:11 AM.
Old 10-15-2009, 05:34 AM
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D350Z10
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Who rebuilt the turbos? Forced? Also are they still stock 18g's? or bored out?
Old 10-15-2009, 05:52 AM
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rcdash
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Nice build and write up. Congrats on now owning a super car and welcome to the Forged army. Hope to see you out at ZdayZ!

Last edited by rcdash; 10-15-2009 at 01:43 PM.
Old 10-15-2009, 11:13 AM
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Sharif@Forged
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Thanks for putting your faith in us, Mark. Once you are part of the Forged family, you never leave...nor will we allow you to even if you wanted out.

Glad you are enjoying the car. Even on the lowest boost setting it's just a monster!

I thought I would share a few more pics, including this one of the original bad engine. I am no expert, but I think something isn't quite right here:








Old 10-15-2009, 11:15 AM
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XKR
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Originally Posted by D350Z10
Who rebuilt the turbos? Forced? Also are they still stock 18g's? or bored out?
DIL !!!!
Old 10-15-2009, 11:27 AM
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New addition to the Forged Family - welcome !!

Nice car, great numbers -- and exceptional work as expected Sharif
Old 10-15-2009, 01:24 PM
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Cass007
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Congrats OP and Sharif, yet another solid Forged build hits the streets .

Way to stick with it after massive fail, these cars are sooo much fun with F/I it should be illegal. Upon further thought, most of our cars are illegal


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