Pontiac Trans Am Twin turbo (update in post 27)
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Pontiac Trans Am Twin turbo (update in post 27)
It's time to create a thread about my car where I can upload photos and videos.
This is at least the car referred to Pontiac Trans AM 1998. He came with LS1, A4, 3:23 ratio, aluminum drive shaft,
Monson cd player and 10 speakers system but no traction control.
Here is a complete list of stuff that's in it now and has been, but I'm still quite probably forgetting something.
I'm going to have this build thread in the the correct timeline as I remember with
text, pictures and video below, when all this is put in and in what order, try to have as detailaš as I can and
then ending up of what is to come in the car.
Performance Mods Pre 2011
K&N Air Filter
SLP Air-Box Lid
SLP's high-performance 85mm mass-air-flow sensor
Smooth Bellows
LS-6 Intake Manifold
PRC Stage 1.0 LS6 CNC Ported Heads with competison valve job
Ls6 oil pump
GM LS7 Lifter
GM LS2 Timing Chain
Texas Speed & Performance 233/239 Camshaft: 233/239,.6XX/.6XX, 11X LSA
Texas Speed & Performance Chromemoly Pushrods
ASP Crank Pulley for 1998-2002 LS1 F-body. Accessory Belt for Crank pulley. ASP Overdrive Alt Pulley.
MAC midlength headers with offroad y pipe
SLP dual-dual Exhaust System
MSD 8.5mm Spark Plug Wires
NGK TR55 Spark Plugs
EFILive FlashScan Personal Tuning tool
Innovate LC-1 wide band O2 sensor
Performance Mods After 2011
APS Twin Turbo with LG upgraded turbos
Turbosmart Kompact Dual Port Blow-Off Valves
LS-6 Intake Manifold
Stock 98 heads with comp 918 springs
Stock 98 camshaft
Stock 98 bottom end except for ARP rod bolts
Transmission and Axle
T56 manual transmission Stage 2
Hurst shifter
Hurst ****
LS7 Pressure Plate & Disc
Fidanza Aluminum Billet Flywheel, 13 Pounds
UMI 1993-2002 Camaro & Firebird Short Stick Handle took it of after 100 miles and back to stock
4.10 ratio pre 2011
3.42 ratio after 2011
Brakes
Front Baer Eradispeed Plus (2 Piece) Rotors
Rear Baer Eradispeed (1 Piece) Rotors
Hyperfirm Brake Line Kit (Front & Rear)
Hawk Performance Brake Pads (Front & Rear)
Suspension
BMR Shock Tower Brace, Chromemoly.
BMR Panhard Rod w/ Polyurethane Bushings, Chromemoly, Adjustable
BMR Subframe Connectors, Tubular Chromemoly
BMR Chrome moly tubular control arms w/poly bushings
BMR Weld-in Control arm relocation brackets
Sway Bar Set, 35mm Front & 25mm Rear
Koni 4/3 Sport Shock set, optional (double adjustable front, single adjustable rear)
Lowering springs 2" front 1,5" back
After 2011
BMR APS K-member
APPZ
Chrome z06 wheels 18"x 9.5" 255/40/18 front 18"x 10,5" 295/35/18 back
All Firehawk options stuff
American Racing TT2 wheels, 17"x 9.5" 275/40 17 front.
17" X 11" 315/35 ZR 17 BFGOODRICH G FORCE T/A KD TIRE Back
Here is the car in Usa driven under 100 miles when it was purchased for export to Iceland in 1998.
And here it is in Iceland and has been repaired on August 20, 1998.
Then I buy the car August 1, 1999, and he is driven 93XX miles. And that picture is taken possibly just before I
buy.
Then in the end of 2002 I bought all the Firehawk stuff to make it look like a hawk, but I do not install it until
2004.
In the summer of 2004 I put the 18 "Z06 rims 9.5 front and 10.5 rear.
Still in 2012, I am still running the same back tire and is on the photo below
Here is a photo and video of him with the Firehawk look and SLP dual dual exhaust which is part of the kit.
Slp dual dual sound
[youtube]bjOKYK3oDFk[/youtube]
Summer of 2005 I buy SLP Air-Box Lid,
SLP's high-performance 85mm mass-air-flow sensor
LS-6 Intake Manifold because I wanted to keep the stock look
Here is the comparison of the subject. I put the LS6 manifold in the car before the headders and I have to say that
the difference between the car was night and day of just the ls6 manifold, I did not found that much of a
difference in the car when I put the headders on it.
MAC midlength headers with offroad y pipe I chose it because my car is lowered 2 "so that the car would not be
scrape speed bumps as he would do with the long tube that were available at that time.
Was getting tired of the original brakes and decided to get me this kit Front Baer Eradispeed Plus (2 Piece)
rotors, Rear Baer Eradispeed (1 Piece) rotors, Hyper Firm Brake Line Kit (Front & Rear), Hawk Performance Brake
Pads (Front & Rear)
These are some of the best braking rotors and pads that I have tried, in my opinion one of the best mod that can be
done for f-body car is to replace the stock brake rotors
Then in 2007 I decided to make it manual, and then was purchased T-56-2 stage gearbox. And of course the rest of
the items to make it manual
Here is the comparison between manual and auto pedals pedals
Fidanza Aluminum Billet Flywheel, only 13 pounds
LS7 Pressure Plate & Disc og Fidanza Aluminum Billet Flywheel
T-56 crossmember
installed flywheel
and later the clutch
Comparison between orginal hurst and the standard.
UMI Short Stick or orginal started with UMI but never liked it so I installed the Orginal.
All ready, connect all sensors and I've programmed it for M6 with EFILive
Then in the spring I went in there to take the car completely through from A to Z.
I started installing the head and cam package and then I painted the whole car.
Nice pistons considering 61XXX mi.
old stuff from the motor
ready to be assembled
original cam and the new cam. 233/239 11x 6xx/6xx
Some diffrence
Ls2 heavy Duty Timming chain
Cam installed and a new high flow oil pump
ASP Crank Pulley and original Crank pulleys, Size and weight difference is almost 2 kg in those
Here are the heads PRC Stage 1.0 LS6 CNC Ported Heads meš competition valve job og PRC double spring kit.
PRC double spring kit
This is at least the car referred to Pontiac Trans AM 1998. He came with LS1, A4, 3:23 ratio, aluminum drive shaft,
Monson cd player and 10 speakers system but no traction control.
Here is a complete list of stuff that's in it now and has been, but I'm still quite probably forgetting something.
I'm going to have this build thread in the the correct timeline as I remember with
text, pictures and video below, when all this is put in and in what order, try to have as detailaš as I can and
then ending up of what is to come in the car.
Performance Mods Pre 2011
K&N Air Filter
SLP Air-Box Lid
SLP's high-performance 85mm mass-air-flow sensor
Smooth Bellows
LS-6 Intake Manifold
PRC Stage 1.0 LS6 CNC Ported Heads with competison valve job
Ls6 oil pump
GM LS7 Lifter
GM LS2 Timing Chain
Texas Speed & Performance 233/239 Camshaft: 233/239,.6XX/.6XX, 11X LSA
Texas Speed & Performance Chromemoly Pushrods
ASP Crank Pulley for 1998-2002 LS1 F-body. Accessory Belt for Crank pulley. ASP Overdrive Alt Pulley.
MAC midlength headers with offroad y pipe
SLP dual-dual Exhaust System
MSD 8.5mm Spark Plug Wires
NGK TR55 Spark Plugs
EFILive FlashScan Personal Tuning tool
Innovate LC-1 wide band O2 sensor
Performance Mods After 2011
APS Twin Turbo with LG upgraded turbos
Turbosmart Kompact Dual Port Blow-Off Valves
LS-6 Intake Manifold
Stock 98 heads with comp 918 springs
Stock 98 camshaft
Stock 98 bottom end except for ARP rod bolts
Transmission and Axle
T56 manual transmission Stage 2
Hurst shifter
Hurst ****
LS7 Pressure Plate & Disc
Fidanza Aluminum Billet Flywheel, 13 Pounds
UMI 1993-2002 Camaro & Firebird Short Stick Handle took it of after 100 miles and back to stock
4.10 ratio pre 2011
3.42 ratio after 2011
Brakes
Front Baer Eradispeed Plus (2 Piece) Rotors
Rear Baer Eradispeed (1 Piece) Rotors
Hyperfirm Brake Line Kit (Front & Rear)
Hawk Performance Brake Pads (Front & Rear)
Suspension
BMR Shock Tower Brace, Chromemoly.
BMR Panhard Rod w/ Polyurethane Bushings, Chromemoly, Adjustable
BMR Subframe Connectors, Tubular Chromemoly
BMR Chrome moly tubular control arms w/poly bushings
BMR Weld-in Control arm relocation brackets
Sway Bar Set, 35mm Front & 25mm Rear
Koni 4/3 Sport Shock set, optional (double adjustable front, single adjustable rear)
Lowering springs 2" front 1,5" back
After 2011
BMR APS K-member
APPZ
Chrome z06 wheels 18"x 9.5" 255/40/18 front 18"x 10,5" 295/35/18 back
All Firehawk options stuff
American Racing TT2 wheels, 17"x 9.5" 275/40 17 front.
17" X 11" 315/35 ZR 17 BFGOODRICH G FORCE T/A KD TIRE Back
Here is the car in Usa driven under 100 miles when it was purchased for export to Iceland in 1998.
And here it is in Iceland and has been repaired on August 20, 1998.
Then I buy the car August 1, 1999, and he is driven 93XX miles. And that picture is taken possibly just before I
buy.
Then in the end of 2002 I bought all the Firehawk stuff to make it look like a hawk, but I do not install it until
2004.
In the summer of 2004 I put the 18 "Z06 rims 9.5 front and 10.5 rear.
Still in 2012, I am still running the same back tire and is on the photo below
Here is a photo and video of him with the Firehawk look and SLP dual dual exhaust which is part of the kit.
Slp dual dual sound
[youtube]bjOKYK3oDFk[/youtube]
Summer of 2005 I buy SLP Air-Box Lid,
SLP's high-performance 85mm mass-air-flow sensor
LS-6 Intake Manifold because I wanted to keep the stock look
Here is the comparison of the subject. I put the LS6 manifold in the car before the headders and I have to say that
the difference between the car was night and day of just the ls6 manifold, I did not found that much of a
difference in the car when I put the headders on it.
MAC midlength headers with offroad y pipe I chose it because my car is lowered 2 "so that the car would not be
scrape speed bumps as he would do with the long tube that were available at that time.
Was getting tired of the original brakes and decided to get me this kit Front Baer Eradispeed Plus (2 Piece)
rotors, Rear Baer Eradispeed (1 Piece) rotors, Hyper Firm Brake Line Kit (Front & Rear), Hawk Performance Brake
Pads (Front & Rear)
These are some of the best braking rotors and pads that I have tried, in my opinion one of the best mod that can be
done for f-body car is to replace the stock brake rotors
Then in 2007 I decided to make it manual, and then was purchased T-56-2 stage gearbox. And of course the rest of
the items to make it manual
Here is the comparison between manual and auto pedals pedals
Fidanza Aluminum Billet Flywheel, only 13 pounds
LS7 Pressure Plate & Disc og Fidanza Aluminum Billet Flywheel
T-56 crossmember
installed flywheel
and later the clutch
Comparison between orginal hurst and the standard.
UMI Short Stick or orginal started with UMI but never liked it so I installed the Orginal.
All ready, connect all sensors and I've programmed it for M6 with EFILive
Then in the spring I went in there to take the car completely through from A to Z.
I started installing the head and cam package and then I painted the whole car.
Nice pistons considering 61XXX mi.
old stuff from the motor
ready to be assembled
original cam and the new cam. 233/239 11x 6xx/6xx
Some diffrence
Ls2 heavy Duty Timming chain
Cam installed and a new high flow oil pump
ASP Crank Pulley and original Crank pulleys, Size and weight difference is almost 2 kg in those
Here are the heads PRC Stage 1.0 LS6 CNC Ported Heads meš competition valve job og PRC double spring kit.
PRC double spring kit
Last edited by joik307; 06-09-2013 at 10:49 AM.
#2
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With more horsepower a better suspension is needed
What I bought was.
BMR Shock Tower Brace, Chromemoly.
BMR Panhard Rod w/ Polyurethane Bushings, Chromemoly, Adjustable
BMR Subframe Connectors, Tubular Chromemoly
Sway Bar Set, 35mm Front & 25mm Rear
BMR Control Arm Relocation Brackets, Weld-In
BMR Lower Control Arms w/ Polyurethane Bushings, Tubular, Non-Adjustable Chromemoly
Koni 4/3 Sport Shock set, optional (double adjustable front, single adjustable rear)
Picturers of the stuff.
[img]
http://img508.imageshack.us/img508/4858/img1789cb8.c1c2075929.jpg[/img]
[img]
http://img382.imageshack.us/img382/5682/img1798ux8.e2a179c13d.jpg[/img]
[img]
http://img382.imageshack.us/img382/8794/img1799np6.00a23e38cc.jpg[/img]
[img]
http://img382.imageshack.us/img382/8831/img1797hi4.2e824bac9a.jpg[/img]
And then some comparison pictures of stuff that's gone into the car and went to the car.
Stock vs New
Stock vs new.
[img]
http://img382.imageshack.us/img382/697/img1793dm0.d71e6e8c0e.jpg[/img]
Then I started to make the car ready for paint
There I“m done painting the car, and began to put together. Finally I“m beginning to see the end of this.
I then received another cool package from USA.
11" rear wheels
nice reflection on these rims
Only to demonstrate wide differences between the back tires that have been under my car.
to the left is 295/35 18 and on the right side is 245/50 16
So here is one picture of the car that was taken of him at the auto show in 2009 just as he looks after all these
changes.
Here is a little idling and action video with him. He's is idling at 630rpm with with both fans on full, not so bad
idle by being a 233/239 113 and the 63x lift, and action is from the Muscle Car days and I running very safe tune
and was running 13.1-13.4 at 115 to 116 miles there was no grip that day.
[youtube]zb8ubz0NR3w[/youtube]
Than in 2010 I modified the z06 rims because the chrome was starting to look bad
And the wheels on the car
In December 2011 it began to work in my car again becouse I wanted to increse the horsepower by a lot and this time
go all in and replace everything and try to do this as much mean as possible.
This is how he looked before I started taking it apart
engine bay
some of the things that came out of it the first day.
box full of stuff that's going in the car
BMR APS K-member
So here is the difference between the original K-member and Aps BMR K-member. Original is 25.8 kg, while APS k-
member is 12.4 kg the difference anyway 13.4 kg, more than half lighter.
prothane motormounts
Turbo headers installed
This shows the difference between the header and turbo stuff. Headers are 4 kg but complete turbo manifold
altogether is 17 kg.
they are now on 8 kg together, turbo 34 kg so that he gain weight there about 26 kg.
bad boy intercooler
here is the engine getting ready for installation.
Here is a bad phone video when I started the car the secound time with the Twin turbo.
[youtube]dPIvzTp-FMI[/youtube]
Bought Eboost2, Autometer fuel pressure and Autometer wideband gauges.
Wanted a new blow-off valves so I got Turbosmart Kompact Dual Port Blow-Off Valves
Here are 2 runs with the twin turbo installed this was at a local Musle car day where I live.
1 run was a 12.1 at 130 mph and the 2 run was a 11.7 at 132 mph, 60 ft where around 2.2 and 2.1. This was on bfg
g-force T/A KD tires.
This picture is taken from my best run from 2012 and in the next run I broke my small 10 bolt
Here are a couple of pictures from 2012
What I bought was.
BMR Shock Tower Brace, Chromemoly.
BMR Panhard Rod w/ Polyurethane Bushings, Chromemoly, Adjustable
BMR Subframe Connectors, Tubular Chromemoly
Sway Bar Set, 35mm Front & 25mm Rear
BMR Control Arm Relocation Brackets, Weld-In
BMR Lower Control Arms w/ Polyurethane Bushings, Tubular, Non-Adjustable Chromemoly
Koni 4/3 Sport Shock set, optional (double adjustable front, single adjustable rear)
Picturers of the stuff.
[img]
http://img508.imageshack.us/img508/4858/img1789cb8.c1c2075929.jpg[/img]
[img]
http://img382.imageshack.us/img382/5682/img1798ux8.e2a179c13d.jpg[/img]
[img]
http://img382.imageshack.us/img382/8794/img1799np6.00a23e38cc.jpg[/img]
[img]
http://img382.imageshack.us/img382/8831/img1797hi4.2e824bac9a.jpg[/img]
And then some comparison pictures of stuff that's gone into the car and went to the car.
Stock vs New
Stock vs new.
[img]
http://img382.imageshack.us/img382/697/img1793dm0.d71e6e8c0e.jpg[/img]
Then I started to make the car ready for paint
There I“m done painting the car, and began to put together. Finally I“m beginning to see the end of this.
I then received another cool package from USA.
11" rear wheels
nice reflection on these rims
Only to demonstrate wide differences between the back tires that have been under my car.
to the left is 295/35 18 and on the right side is 245/50 16
So here is one picture of the car that was taken of him at the auto show in 2009 just as he looks after all these
changes.
Here is a little idling and action video with him. He's is idling at 630rpm with with both fans on full, not so bad
idle by being a 233/239 113 and the 63x lift, and action is from the Muscle Car days and I running very safe tune
and was running 13.1-13.4 at 115 to 116 miles there was no grip that day.
[youtube]zb8ubz0NR3w[/youtube]
Than in 2010 I modified the z06 rims because the chrome was starting to look bad
And the wheels on the car
In December 2011 it began to work in my car again becouse I wanted to increse the horsepower by a lot and this time
go all in and replace everything and try to do this as much mean as possible.
This is how he looked before I started taking it apart
engine bay
some of the things that came out of it the first day.
box full of stuff that's going in the car
BMR APS K-member
So here is the difference between the original K-member and Aps BMR K-member. Original is 25.8 kg, while APS k-
member is 12.4 kg the difference anyway 13.4 kg, more than half lighter.
prothane motormounts
Turbo headers installed
This shows the difference between the header and turbo stuff. Headers are 4 kg but complete turbo manifold
altogether is 17 kg.
they are now on 8 kg together, turbo 34 kg so that he gain weight there about 26 kg.
bad boy intercooler
here is the engine getting ready for installation.
Here is a bad phone video when I started the car the secound time with the Twin turbo.
[youtube]dPIvzTp-FMI[/youtube]
Bought Eboost2, Autometer fuel pressure and Autometer wideband gauges.
Wanted a new blow-off valves so I got Turbosmart Kompact Dual Port Blow-Off Valves
Here are 2 runs with the twin turbo installed this was at a local Musle car day where I live.
1 run was a 12.1 at 130 mph and the 2 run was a 11.7 at 132 mph, 60 ft where around 2.2 and 2.1. This was on bfg
g-force T/A KD tires.
This picture is taken from my best run from 2012 and in the next run I broke my small 10 bolt
Here are a couple of pictures from 2012
#3
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Bought these and they are going to be my drag wheels for 2013
Weld Racing S71 RTS series 15x10
Right now, as things stand today, I am looking for rear axle for the car and I“m going to build 7.0l engine this winter for summer 2013.
Weld Racing S71 RTS series 15x10
Right now, as things stand today, I am looking for rear axle for the car and I“m going to build 7.0l engine this winter for summer 2013.
#5
TECH Resident
iTrader: (2)
Great job! I love the fact that you've rescued that car from having a damaged and brought all the way from the U.S. to Iceland, and transformed it into a great looking and performing car, and to top that off you do all the work yourself. Are you going with a narrowed rear end? I noticed that you have a pretty good deep dished on those rear RTS wheels.
Last edited by Boo"SS"t; 10-14-2012 at 10:31 AM.
#7
very good documentation. So what is your opinion on the TT system? Thanks for sharing.
Trending Topics
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Great job! I love the fact that you've rescued that car from having a damaged and brought all the way from the U.S. to Iceland, and transformed it into a great looking and performing car, and to top that off you do all the work yourself. Are you going with a narrowed rear end? I noticed that you have a pretty good deep dished on those rear RTS wheels.
Thanks, nice catch yes I going with -3" on each side
Thanks, nice catch yes I going with -3" on each side
enjoyed this thread. I laughed when i saw the trap speeds vs the times after the twin turbo. Curious if your the one doing all the tuning. Next you can focus on weight reduction and a forged motor with more boost. great looking car too!
Thanks, yes the time dosent match the trap time I know, but the dont prep the track here after the 60ft or so I cant go full throttle untill late in 3 gear or else instant tire smoke hehe And I do all the tuning myself, I use EFILive
Thanks, yes the time dosent match the trap time I know, but the dont prep the track here after the 60ft or so I cant go full throttle untill late in 3 gear or else instant tire smoke hehe And I do all the tuning myself, I use EFILive
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My moser M9 packages arrived a few days ago thanks to Brutespeed.
I will buy the Center Section after few days just looking for some options.
Moser M9, Narrowed 3" on each side, backbrace and more options.
Chrome Moly Torque Arm and Chrome Moly Transmission Crossmember
Moser 9" Extreme Axles gun drilled and star flanged (35 spline)
I will buy the Center Section after few days just looking for some options.
Moser M9, Narrowed 3" on each side, backbrace and more options.
Chrome Moly Torque Arm and Chrome Moly Transmission Crossmember
Moser 9" Extreme Axles gun drilled and star flanged (35 spline)
#19
TECH Senior Member
iTrader: (8)
My moser M9 packages arrived a few days ago thanks to Brutespeed.
I will buy the Center Section after few days just looking for some options.
Moser M9, Narrowed 3" on each side, backbrace and more options.
Chrome Moly Torque Arm and Chrome Moly Transmission Crossmember
Moser 9" Extreme Axles gun drilled and star flanged (35 spline)
I will buy the Center Section after few days just looking for some options.
Moser M9, Narrowed 3" on each side, backbrace and more options.
Chrome Moly Torque Arm and Chrome Moly Transmission Crossmember
Moser 9" Extreme Axles gun drilled and star flanged (35 spline)