996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

My 996tt Protomotive 650 vs. 997tt AWE 750

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Old Oct 16, 2008 | 09:08 PM
  #76  
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Originally Posted by Divexxtreme
...One of you guys (you or jnixon) need to purchase a P-box and get some 60-130 runs in and then send me the files. You both should be in the low 7 second range or so. A car making a true 600 awhp would be running low to mid 6's.

http://store.vboxusa.com/servlet/Detail?no=2
I have a P-Box and would be willing to ship it to Hollywood so he can run the 60-130 with his setup for the simple reason that I am interested in the Proto 24/18 kit and would like to see what times he gets with it with pump gas. Depending on the results, it might make my decision to ditch my FVD Stg4 in favor of the Proto kit much easier.

As embarrassing as it is to admit, my car has run a best of 9.0 flat 60-130 with it's current setup. To be honest, I'm affraid to even give some of the local rice-powered cars a glance given the possibility they might want to throw me a challenge I can't handle.

Hollywood, PM me if you are interested and I will UPS it ASAP.
 
Old Oct 16, 2008 | 10:22 PM
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I remember bro...I remember...!!! lol...good times... and yeah for sure next time ill do the 20g set up.. I listened the first time.... didnt I ...? lol.... its amazing the wealth of info you get here @ 6speed.... And God knows when I will get another... so, in the mean time... YOU GUYS GO AND BLAST OFF some good stories, track em, try to video as I did!! lol...and dont lift up the guy that hands you over the time slips...they tend not to like that....lol.....
 
Old Oct 17, 2008 | 10:57 AM
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Divixxtreme

Your power rating seem low. The kit I have is suppse to produce 590+ awd rear wheel horsepower. There is no way a car producing 520 awd wheel horsepower is going to hit that MPH at the quarter mile unless the porsche is extremely light. The race gas program of my car is suppose to produce 620awd wheel horsepower.
 
Old Oct 17, 2008 | 12:41 PM
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Originally Posted by jnixon
Your power rating seem low. The kit I have is suppose to produce 590+ awd rear wheel horsepower.
It's either awhp (to all four wheels), or rwhp (to the rear wheels only). Not both.

There is no way a car producing 520 awd wheel horsepower is going to hit that MPH at the quarter mile unless the porsche is extremely light.
It depends on the TQ and the area under the curve. Peak power (what you are talking about) is only one component.

I know Marty's (Woodtster's) car has GT3 seats, but other than that..it should be full weight. He's trapped 134 multiple times. He also only made 490 awhp on a Mustang AWD dyno, which is the same type of dyno that says your setup makes 630 awhp.

John D, with his Proto K24/18G kit...also made 480ish AWHP on a Mustang AWD dyno. He has run 11.01 @ 131 in his full weight car. Both of these guys posts/info are still on the forum so feel free to do a search.

Now...do I think their dynos are reading low? Probably. But its hard to say how low. Regardless, dyno numbers don't mean a whole lot. I've seen many cars with less peak power, but more area under the curve, beat cars with much higher overall peak power, but less area under the curve. My car at 560-600 rwhp was beating cars in the 'claimed' 700 rwhp range.

Dyno numbers can provide a good baseline, and are a great way to tune...but for direct acceleration comparisons, head to head runs and/or 60-130 times are king IMO.

The race gas program of my car is suppose to produce 620awd wheel horsepower.
I can't comment on how much power your car actually makes, or how your curve looks since I haven't seen your dyno sheet. But the fact remains, in a real world setting, you ran neck and with a car that's only making around 650 crank HP or so...so I really don't know what to tell you.

Try getting your car dyno'd and see what you kind of numbers you put down. If they don't meet your expectations on your race gas tune, then I'd start looking for boost leaks. They're fairly common to all modified turbo cars...regardless of the tuner.
 

Last edited by Divexxtreme; Oct 17, 2008 at 12:43 PM.
Old Oct 17, 2008 | 12:48 PM
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My friend and I ran a stock 996 turbo, stock 996 turbo s, tuned 996 turbo s, previously modified 997 turbo with the GIAC 690 race tune and the car's MPH were as follows. These were multiple runs with different conditions. The 996 stock did 109 regularly, 996s did 111-113 regularly and the tunded 996 s did 117 consistently. My 997 GIAC 690 did 125-126mph consistently. My friends protomotive did 123-125 consistently. There is no way a 500hp to the wheels turbo can hit 130mph unless a ton of weight is stripped out.
 
Old Oct 17, 2008 | 01:35 PM
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Originally Posted by jnixon
My friend and I ran a stock 996 turbo, stock 996 turbo s, tuned 996 turbo s, previously modified 997 turbo with the GIAC 690 race tune and the car's MPH were as follows. These were multiple runs with different conditions. The 996 stock did 109 regularly, 996s did 111-113 regularly and the tunded 996 s did 117 consistently. My 997 GIAC 690 did 125-126mph consistently. My friends protomotive did 123-125 consistently.
Wow...those certainly are some slow traps. You guys are running 7-8 mph slower than what faster drivers are getting. Here’s some comparisons for you:

Stock 996TT:
Titan Racing ran a 11.79 @ 116.3 in a bone stock 996TT the other day. https://www.6speedonline.com/forums/...-post1088.html

Motor Trend ran a 11.9 @ 116.1 in Nov, 2000 in a bone stock 996TT.

Car and Driver ran a 12.3 @ 116 in a bone stock 996TT in Sept, 2000.

Motor Trend ran a 12.2 @ 116 in a stock 996TT CAB (heavier than a coupe): http://www.caranddriver.com/reviews/...take_road_test

Stock 996TT X50/S:

Motor Trend ran a 11.9 @ 119.9 in a stock X50: http://www.motortrend.com/roadtests/suv/163_0310_porsche_cayenne_turbo_911_x50/index.html

Modded/Bolt-on cars:

My car at EVOMS Stage 2. At the time it was full weight, AWD, and only had an intake, exhaust (w/100 cell cats) and a tune. I was only at the 575 crank HP level yet I ran 11.65 @ 126…which is the same as your GIAC 690 997TT with 120 more HP. This was on the stock K16s!

Jimmer23 here on the forum ran a 11.59 @ 124 with only exhaust w/100 cell cats, 1 BAR wastegate springs, GIAC tune, flywheel and clutch.. Around 550 crank HP. https://www.6speedonline.com/forums/1840851-post35.html. Also on stock K16s!

Dmaffo ran 10.8s-10.9s @ 133-135, AWD, full weight with only Proto K24/18Gs, 5bar FPR, B6 intercoolers, drop in filter, and a tune. Another 650 crank HP Proto car. https://www.6speedonline.com/forums/...u-go-guys.html

My car at only 70 lbs under full weight (with RWD conversion) with K24/18Gs, exhaust, Proto intercoolers, fuel system and tune went 10.6x @ 135-136 at 1.3 BAR on 103 octane. I was making around 675 crank HP at the time.

Below are my timeslips of my car at the 575 crank HP level and the 675 crank HP level. As soon as either Putfile come back up (it’s currently down) or I get them uploaded to Streetfire, I’ll post the links to the vids of both runs for you.

There is no way a 500hp to the wheels turbo can hit 130mph unless a ton of weight is stripped out.
I really don’t know what else to tell you, other than it seems that a lot of people with less power are running significantly faster times than you and your friends are with "more" power.
 
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Last edited by Divexxtreme; Oct 17, 2008 at 05:29 PM.
Old Oct 17, 2008 | 02:10 PM
  #82  
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Originally Posted by NineNineSixTT
wow, suprising results. It seems that the quality of a shop is more important than the numbers they throw on their kits...
I agree completely! Akram has never let me down and I think that I might be the only person with a 3.8 liter kit that is not babied?? I know that I have over 5000 race-street miles on it with out any problems! Nothing, not even a oil or air leak. The motor is out right now and every mm of the motor was inspected before I had Akram upgrade to the new fuel system and thus far it is spot on! I am hoping we can have it ready for the mile but I am not certain if I will be able to make it? I back Protomotive and Akram 100%... just my 2 cents.
Peace
Robert
 
Old Oct 17, 2008 | 02:40 PM
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My car made 490 AWHP on a hot day this summer on a AWD Mustang Dyno
(this is true). No air blowing in front of or behind the car, it was like a sauna in the back of the shop. I agree with Scott. My car's motor, if pulled and put on an engine dyno
would (IMHO with lots of hard data to back it), make 640-670 crank HP (I do not think I
would ever see 700). My car is what you would call full weight: GT3 seats, no spare,
and heavy autopower roll cage and (2) sets of 5 point harnesses.
134 traps, all day, all the time with soft launch.
When some of the other dyno queens start showing me some low to mid 6 second
60-130's or some 135+ traps, I will believe thier silly dynos!

MK
 
Old Oct 17, 2008 | 02:55 PM
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Originally Posted by WOODTSTER
My car made 490 AWHP on a hot day this summer on a AWD Mustang Dyno
(this is true). No air blowing in front of or behind the car, it was like a sauna in the back of the shop. I agree with Scott. My car's motor, if pulled and put on an engine dyno
would (IMHO with lots of hard data to back it), make 640-670 crank HP (I do not think I
would ever see 700). My car is what you would call full weight: GT3 seats, no spare,
and heavy autopower roll cage and (2) sets of 5 point harnesses.
134 traps, all day, all the time with soft launch.
When some of the other dyno queens start showing me some low to mid 6 second
60-130's or some 135+ traps, I will believe thier silly dynos!

MK
 
Old Oct 17, 2008 | 03:06 PM
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Originally Posted by WOODTSTER
When some of the other dyno queens start showing me some low to mid 6 second
60-130's or some 135+ traps, I will believe thier silly dynos!

MK
Amen brotha!
 
Old Oct 17, 2008 | 03:30 PM
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Great thread guys look forward to more

Do you guys running the 600hp mark not touch the engine internals at all ?
 
Old Oct 17, 2008 | 03:35 PM
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Originally Posted by Daz - Porker
Great thread guys look forward to more

Do you guys running the 600hp mark not touch the engine internals at all ?

Nah. No real need for internals until you start getting upwards of 800 or more.
 
Old Oct 17, 2008 | 03:43 PM
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I take it that is fly ? I was told 480hp when I bought the 966TT but they raced clubsport so I guess the turbo lump can handle more abuse ..

with the proto tune do they raise the rev limit ? if so won't that put more stress on the rods?

Thanks
 
Old Oct 17, 2008 | 03:53 PM
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Originally Posted by Daz - Porker
I take it that is fly ? I was told 480hp when I bought the 966TT but they raced clubsport so I guess the turbo lump can handle more abuse ..

with the proto tune do they raise the rev limit ? if so won't that put more stress on the rods?

Thanks
There's a stock-internaled 996 GT2 running around with 700+ rwhp (800+ flywheel HP) that runs great without issues. There is also a stock-internaled 997TT making 850 rwhp (950+ flywheel HP) that is also running great without issues. The bottom-ends of these cars (including the rods) seem almost bulletproof with proper tuning and fuel.

Proto normally increases the redline to 7300 or so on cars with stock internals.
 

Last edited by Divexxtreme; Oct 17, 2008 at 03:58 PM.
Old Oct 17, 2008 | 03:58 PM
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Does the GT2 run the same rods as the 996 tt then ? I thought they might off been titainium like the GT3's.

Have you got a spec what was done to yours b4 you sold her?
Proto website is a bit vague
 


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