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Old 08-30-2007, 01:56 PM   #1
ChrisSK
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Default Not a Subie, but it shut our dyno down...

I tuned a pair of 03 Cobra's last night, one had a T76 Turbo in favor of the Kenne Bell blower on it. The motor has been freshened, but it still has the stock rods/crank in it.

On pump gas, she laid down 665hp/715tq @ 14psi..

We threw some race gas in it, and turned the boost up to 20psi... And that's when he shut the dyno down.. We will be putting it on the Mustang Dyno next week to turn it up to about 23/24psi...

On C16, 18psi, She laid down 720hp/800 ft/lbs. (the dynapack stops at 800 ft/lbs)

I normally love tuning Subies, but doing this car last night put a big grin on my face. The Cobra's are just impressive, even more so with the T76 conversion on them.

The Kenne bell 03 put down 665/640 at 22psi last night, no vids of that yet, but they are coming.

Video he put together really quick

- Chris
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Last edited by ChrisSK; 08-31-2007 at 09:01 AM.
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Old 08-30-2007, 01:58 PM   #2
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Old 08-30-2007, 02:02 PM   #3
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I can see a traction problem!

But that always a good problem too.

Sick numbers.
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Old 08-30-2007, 02:02 PM   #4
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Quote:
Originally Posted by XX_Chris View Post
I tuned a pair of 03 Cobra's last night, one had a T76 Turbo in favor of the Kenne Bell blower on it. The motor has been freshened, but it still has the stock rods/crank in it.

On pump gas, she laid down 665hp/715tq @ 14psi..

We threw some race gas in it, and turned the boost up to 20psi... And that's when he shut the dyno down.. We will be putting it on the Mustang Dyno next week to turn it up to about 23/24psi...

On C16, 18psi, She laid down 720hp/800 ft/lbs. (the dynapack stops at 800 ft/lbs)

I normally love tuning Subies, but doing this car last night put a big grin on my face. The Cobra's are just impressive, even more so with the T76 conversion on them.

The Kenne bell 03 put down 665/640 at 22psi last night, no vids of that yet, but they are coming.

Please right click, save as for now: http://www.drobnak.com/dave_car/Helliontest1.wmv

- Chris

Chris - nice job as always - Jimmy
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Old 08-30-2007, 02:04 PM   #5
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looks like a wild ride! those cobras always impressed me with there performance.. i dont think i would ever buy one, at least not for use as a DD.
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Old 08-30-2007, 02:27 PM   #6
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god damn...nice chris
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Old 08-30-2007, 02:40 PM   #7
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.....
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Old 08-30-2007, 02:42 PM   #8
Master2192
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It's too bad superchargers don't leave much room for proper charge cooling, otherwise you could have gotten close to equal horsepower from the supercharger with no lag
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Old 08-30-2007, 02:47 PM   #9
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yeah, we had a turbo fox body shut down our 1200 lb-ft mustang...quite impressive.
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Old 08-30-2007, 06:19 PM   #10
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Thanks guys, I'll post up some better vids later on.
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Old 08-30-2007, 06:56 PM   #11
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Quote:
Originally Posted by XX_Chris View Post
I tuned a pair of 03 Cobra's last night, one had a T76 Turbo in favor of the Kenne Bell blower on it. The motor has been freshened, but it still has the stock rods/crank in it.
- Chris
Been trying to convince my dad's co-worker to do a Hellion turbo kit. he has a kenney bell now.....

AND of course it still has stock rods and crank. Wouldn't you want a forged crank and forged Manley H-beam connecting rods? The pistons are hypereutectic from the factory though....like ours.

Is this SD or maf based or what?
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Old 08-30-2007, 07:51 PM   #12
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double post
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Old 08-30-2007, 11:28 PM   #13
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wow i would kill myself if that would be my car.daym!!! tq steer ftl but gosh daym impressive ftmfw!!!!
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Old 08-30-2007, 11:47 PM   #14
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That was quite impressive i must say!
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Old 08-30-2007, 11:57 PM   #15
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Quote:
Originally Posted by bboylocob View Post
wow i would kill myself if that would be my car.daym!!! tq steer ftl but gosh daym impressive ftmfw!!!!
Trq steer? not to flame but front wheel drive and some all wheel drive have trq steer. Rear wheel drive wont BUT that arse end can swing around pretty quick though. LOL
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Old 08-31-2007, 12:02 AM   #16
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Quote:
Originally Posted by bboylocob View Post
wow i would kill myself if that would be my car.daym!!! tq steer ftl but gosh daym impressive ftmfw!!!!
n00b FTL
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Old 08-31-2007, 12:11 AM   #17
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Quote:
Originally Posted by modaddict View Post

Is this SD or maf based or what?
i believe hellion sets them up to be MAF based....

at least my friends cobra with the t67 is running an MAF.....getting tuned this weekend maybe we will see those numbers as well on a fully built motor (cams, rods, pistons, etc...)
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Old 08-31-2007, 12:11 AM   #18
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Quote:
Originally Posted by bboylocob View Post
wow i would kill myself if that would be my car.daym!!! tq steer ftl but gosh daym impressive ftmfw!!!!
:insertshakingheadicon:
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Old 08-31-2007, 12:30 AM   #19
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I love that story ... Cobra's rule
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Old 08-31-2007, 02:16 AM   #20
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What kind of rear tires does he run daily? I can't even imagine trying to give that thing a bit of gas at launch.
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Old 08-31-2007, 08:00 AM   #21
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wow!!

more videos please....
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Old 08-31-2007, 08:09 AM   #22
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Very nice! These cars are wicked
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Old 08-31-2007, 08:21 AM   #23
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Quote:
Originally Posted by dak125 View Post
What kind of rear tires does he run daily? I can't even imagine trying to give that thing a bit of gas at launch.
Exactly what I was thinking!!
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Old 08-31-2007, 08:43 AM   #24
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Quote:
Originally Posted by dak125 View Post
What kind of rear tires does he run daily? I can't even imagine trying to give that thing a bit of gas at launch.
More times than not they swap out the IRS for a built solid rear axle like pretty much any other Non-Cobra Mustang.

I still miss my Mustang. Wheelies are fun!
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Old 08-31-2007, 08:45 AM   #25
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Quote:
Originally Posted by modaddict View Post
Been trying to convince my dad's co-worker to do a Hellion turbo kit. he has a kenney bell now.....

AND of course it still has stock rods and crank. Wouldn't you want a forged crank and forged Manley H-beam connecting rods? The pistons are hypereutectic from the factory though....like ours.

Is this SD or maf based or what?
The car is still MAF based, it has the stock ECU in it with a MAF extender in it, I tuned it using SCT. The stock fuel line is pretty much maxed out, so next week will be upgrading his line. Also, the car was blowing the spark out up top, so he is going to be gapping them down some for the next dyno session.

I'm guessing 800rwhp or more on race gas.

As for the tires, he runs the Nitto NT555R's, I believe the rears are 315/35/17. The car hooks great for the amount of power it has, the onset of boost makes it much more manageable over a typical Kenne Bell car, which will make 0ver 600rwtq at 3500rpm.

The car is rediculous on the street, I had a 650whp Turbo 95 Cobra, and this thing rapes that car. I personally ran a 10.58 in my car, so this car should be deep in the 9's with a good grab and go.
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