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2002 GT Automatic - Heads & Cams

  • Thread starter Thread starter BCH-SLP
  • Start date Start date Feb 16, 2004
B

BCH-SLP

New Member
Nov 19, 2002
681
0
0
South Texas
Feb 16, 2004
#1
  • Feb 16, 2004
  • #1
The Heads & Cams are in, and I'm loving it.

Recently got the itch to get this upgrade on the car and VT was able to supply me with the deals. Bought both my heads & my cams from them and Scott and Jim were great with customer service. Everything arrived here VERY quickly and I didn't hesitate on putting them on at all. Took my car upstate to a reputable shop and had the install done and was dyno tuned. Which Shop? Murillo Motorsports in San Antonio, Tx did the job and I'm damn pleased with the outcome. If there's anyone in the Tx area looking to get some work done I'd reccomend them anyday. The guys up there are kickass. Weather up there wasn't great at all because of the vast amount of rain that we've been getting through Texas for the past two weeks, but regardless they got everything on there perfectly.

My previous numbers in the valley on the dyno were 251rwhp/285rwtq. So I took it up there hoping to get a better baseline pull. I got exactly the opposite: 247rwhp/279rwtq . Mike Niess said that there was no doubt that the air was to dense at the time because of the amount of rain and muggy weather that was lurking so I had no problems and told them to go ahead and get things started. The process was pretty quick considering they had to get my header fabricated to spec because of the amount of dimple I had to give it due to the steering shaft not wanting to connect to the steering rack after my QA1 Tubular Front setup. They were keeping in touch giving me updates and sending me pics throughout the install.

I finally got the call after a few days that the car was done and that it was on the dyno. I couldn't help but be happy of course, but I was still waiting on the numbers. My goal was to get as close to 300rwhp as possible, but I knew it was going to be hard because of the fact that I was still running the stock intake, throttle body & mass air. Regardless I was going to get as close as possible being that I had that against me. After a few hours of tuning I finally got the call that my car had made 288.8rwhp/303.8rwtq on pump gas. Think I was happy? **** yeah I was. Being able to push that through an automatic is one thing, but doing it with a completely stock intake assembly is another. I was please and couldn't get the smile off of my face. Found some time out of work to go up to San Antonio to pick up my car and Mike Murillo insisted that I take it out for a test drive to see if I liked it. Definitely a completely different car than the one that I dropped off. We spoke for a while about the tune and then returned as soon as possible so it wouldn't be to late. ( 5hr Drive 1-Way ). Sine then I've been driving it every day being that it IS my daily driver and haven't had any problems what so ever.

Here's a breakdown of my pull:

RPM | Power | Torque | Air Fuel
3400 180.0 278.1 12.2
3500 187.9 282.0 12.7
3600 197.6 288.2 12.4
3700 206.6 293.3 13.1
3800 215.2 297.4 13.7
3900 224.2 302.0 14.1
4000 228.8 300.4 14.1
4100 235.8 302.0 13.9
4200 241.9 302.5 13.9
4300 247.5 302.3 13.6
4400 254.3 303.8 13.4
4500 259.4 302.7 13.1
4600 263.6 301.0 13.0
4700 268.4 300.0 13.0
4800 271.3 296.8 12.9
4900 273.6 293.2 12.9
5000 276.8 290.8 13.0
5100 277.8 286.0 13.1
5200 280.8 283.6 13.3
5300 282.9 280.4 13.3
5400 282.8 275.0 13.2
5500 284.5 271.7 13.2
5600 285.9 268.1 13.1
5700 285.4 262.9 13.1
5800 284.3 257.4 13.1
5900 283.3 252.2 13.2
6000 281.8 246.7 13.1
6100 288.8 246.5 13.0

I gained a total of 41rwhp and 29rwtq over baseline pull after the upgrade. My baseline pull was made with my Mail Order JMS chip. The baseline and best pull were both made in the same weather 100% Humidity, 28.99 Baro. Pressure, 60*F and on the same dyno.

The drive is awesome and the performance is out of this world on the street with radials. Damn good cruiser for now, just need to see when I can make some test passes at a track.

Videos

-Video 1 (idle)
-Video 2 (idle)



I've no idea what kind of power I lost due to drivetrain, but there's a few theorys floating around, all in percentages. Regardless, I'll take my 41rwhp & 29rwtq any day.

Thanks for reading,
Roque
 

NightLife

Member
Sep 11, 2003
284
0
16
Tampa, FL
Feb 16, 2004
#2
  • Feb 16, 2004
  • #2
specs of your cams? and good job dude
 

3ponyshow

Founding Member
Jun 26, 2002
319
1
18
Las Vegas
Feb 16, 2004
#3
  • Feb 16, 2004
  • #3
Sounds like it was definately worth the trip. Prices out here are more expensive, but labor & material, what is a ball park for a setup like that? If you don't mind sharing.
 

StangJonGT

Founding Member
Jun 2, 2001
1,329
0
36
Seattle
Feb 16, 2004
#4
  • Feb 16, 2004
  • #4
What kind of heads? Cam specs and brand?


Jon
 
M

ModularGT

New Member
Nov 18, 2003
13
0
0
Feb 16, 2004
#5
  • Feb 16, 2004
  • #5
BTW, Great #’s.
I have a 2001 GT and am in the process of the same thing.
What Heads and Cams did you go with?
I have the VT Stage 1 cams, but am exchanging for the VT Blower Cams. I am also going to go with T&J Performance Stage 3 heads and Comp Springs.
I can’t wait and am glad to see some performance #’s on another Auto GT with heads and Cams.
Are your track times with the head/Cams Combo?
 

gtrackd02

New Member
Aug 2, 2003
290
0
0
st clair shores
Feb 16, 2004
#6
  • Feb 16, 2004
  • #6
wow....i want that!!!!!!
Nice... those bullits look nice too.....
 

krly79

Member
May 6, 2003
464
0
16
VA Beach & So Illinois
Feb 16, 2004
#7
  • Feb 16, 2004
  • #7
Prices man! Prices!!! Come on! Get with it.









/jking good numbers, a little hard to hear do to the echo.
 
M

ModularGT

New Member
Nov 18, 2003
13
0
0
Feb 17, 2004
#8
  • Feb 17, 2004
  • #8
Great Videos.
What are the specs and flow #'s if you don't mind.
 

FR-S8N

Founding Member
May 23, 2002
1,306
0
0
McAllen, tx
Feb 17, 2004
#9
  • Feb 17, 2004
  • #9
when are you going to run at the track ?
 

hognutz

New Member
Nov 12, 2002
1,940
0
0
albany, oregon
Feb 17, 2004
#10
  • Feb 17, 2004
  • #10
why did you run the comp cams and not vt?
 
S

san~man

O-G
Founding Member
Nov 29, 1999
8,546
3
78
A little grass shack on a big lava rock
Feb 17, 2004
#11
  • Feb 17, 2004
  • #11
I call BS!!!......j/k

Awesome numbers bro, nice job. PM me the prices if you don't want to post them.
 
C

cltgt

Founding Member
Apr 15, 2001
931
0
0
Geneva, Fl.
Feb 19, 2004
#12
  • Feb 19, 2004
  • #12
which cams are you running?
 
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