GT Performance Mods 2005+ Mustang GT Performance and Technical Information

I got some rubbers

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Old 1/31/06, 06:40 PM
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Stock Pirelli P-Zero Nero tire vs Mickey Thompson 3743 Biasply 26X11.50-17LT ET Street tire.

[attachmentid=44210]

[attachmentid=44211]

They are basically drag slicks with 2 little grooves cut in em to make em street legal. These tires weigh probably half as much as the stock ones do, they're not steel belted. And they're considerably wider, a whole 11.5 inches wide. Scary thing is this tire fits on the stock rim. $185 each shipped from Summit
Old 1/31/06, 06:42 PM
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I hope the drivetrain will be able to handle the extra grip.

I look forward to seeing what kind of gains you make
Old 1/31/06, 06:45 PM
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They fit on the stock rims?, that is scary and interesting.
Old 1/31/06, 06:45 PM
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Your drivetrain should have no problem with them, we haven't, we are still running the stock drivetrain from crankshaft/flywheel to factory rims. We found the best RPM to launch with having stock gears is 6500 or put your rev limiter up to 6800 and launch off of it. Bascially equals 1.63-1.65 60ft times with a manual.
Old 1/31/06, 06:49 PM
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Holy S***! How do those fit on the stock rim???
Old 1/31/06, 06:49 PM
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Derek am I going to kill my clutch launching at 6500? What does it cost to put a good clutch in?
Old 1/31/06, 06:54 PM
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Originally posted by S197 GT@January 31, 2006, 8:52 PM
Holy S***! How do those fit on the stock rim???
yes

These were tires that I borrowed from another TMS member last year. I made a run with them at 15 psi. That is the stock 05 bullitt rim.

[attachmentid=44215]
Old 1/31/06, 06:55 PM
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I would advise against puting those on an 8" wheel, its an 11" tire for $%&#s sake.

When Im ready for those ET Streets Im going to widen my stock 8" wheels to 9-10" if it can be done.

-Dan
Old 1/31/06, 07:04 PM
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Lots of people here have done it and say there's never been a problem. There was even one guy that sells tires for a living and does it himself, I forget who it was.
Old 1/31/06, 07:19 PM
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You tell him Dustin!
This story has been told over and over. Sure you will get a better foot print with wider wheels but they work just fine on the stock wheels.
Old 1/31/06, 07:23 PM
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I wish I could mount these tires tomorrow and go out and cause trouble, but it's icy and snowing :notnice:
Old 1/31/06, 07:57 PM
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Nice dustin, I was just looking into what would fit on the stock rims. Glad to hear others are not having issues with them.
Where did you get em from? cost?

And ouch on the 6k clutch dump. Although it sounds fun as He11

Ugh, I see the info i needed now. :bang:
Old 1/31/06, 08:00 PM
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Summit for around $185 shipped (each). These tires are only good for the track and that's it. If you want to race on these get 2 spare rims and change them out at the track. That's what I'm doing. Bascially the spare tire is comming out and these 2 tires are going in the trunk for the whole summer.
Old 1/31/06, 08:11 PM
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Your not gonn a ride with em in the trunk all summer daily driving are you? they will smell up the interior.

Yeah, I have the bullitts I got from ebay for the snow tires, just take two off in the summer.
Will be taking them off the rims anyway to change thier directions so I can cross them to the other side next winter.
dang directional tires.
Old 1/31/06, 08:22 PM
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I had those tires at first as well. It was when I went to the ET Street Radials and the 6000rpm launches that tore up the stock diff. and the Auburn Pro after 4 passes. The only diff that's held up is the Tru trac. The clutch will begin to go away quicker as well.
I bought an extra set of Anthracite bullitts 17x9 or 17x10 (I forget), from MRT Direct. At the time, they were about $115.
Old 1/31/06, 08:22 PM
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Your not gonn a ride with em in the trunk all summer daily driving are you? they will smell up the interior.
You should come to my office, it smells like a tire store in here. People that walk down the hall comment to each other that it smells like tires The great thing is nobody can see them unless they walk into my cube. Everybody laughs when they see them.

http://forums.bradbarnett.net/index.php?sh...ndpost&p=631034

Yeah, I have the bullitts I got from ebay for the snow tires, just take two off in the summer.
I did the SAME EXACT THING. I'm taking 2 of the snow tires off and mounting these on them.
Old 1/31/06, 09:24 PM
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Originally posted by dustindu4+January 31, 2006, 7:03 PM--><div class='quotetop'>QUOTE(dustindu4 @ January 31, 2006, 7:03 PM)</div><div class='quotemain'>Bascially the spare tire is comming out and these 2 tires are going in the trunk for the whole summer.[/b]


It's dam tough to get two mounted drag tires in the trunk!! I ended up folding the back seat down, and putting one in there and one in the trunk.


<!--QuoteBegin-169stang
@January 31, 2006, 7:25 PM
I had those tires at first as well. It was when I went to the ET Street Radials and the 6000rpm launches that tore up the stock diff. [/quote]

David... are you saying your car hooked harder with the drag radials, and caused the rear end problems? Or what????
Old 1/31/06, 09:34 PM
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Originally posted by don_w@January 31, 2006, 10:27 PM
... I ended up folding the back seat down, and putting one in there and one in the trunk.
...
I knew they put those fold down seats in there for a very practical reason.
Old 2/1/06, 12:22 AM
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Originally posted by Cleveland@January 31, 2006, 7:58 PM
I would advise against puting those on an 8" wheel, its an 11" tire for $%&#s sake.

When Im ready for those ET Streets Im going to widen my stock 8" wheels to 9-10" if it can be done.

-Dan
I agree 100 percent. The sidewalls must stick out pretty far from the edge of the lip. I would definetly call up M/T.
Old 2/1/06, 12:54 AM
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Originally posted by Cleveland@January 31, 2006, 8:58 PM
I would advise against puting those on an 8" wheel, its an 11" tire for $%&#s sake.

When Im ready for those ET Streets Im going to widen my stock 8" wheels to 9-10" if it can be done.

-Dan

I've put nearly 140 runs on my 275/40 17 BFG Drag Radials which are 10.8" wide on factory rims. There are a couple of drawbacks.

If you plan on driving to the track on them take it easy around the curves because the side to side flex of an 11" tire on an 8" rim is scary at times. The tire sticks but the rear of the car feels like it's sliding due to to sidewall flex.

As you can see from this pic you don't get an optimal footprint due to the narrow rim.



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