26 or 28 et drags? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 14 Old 06-06-2008, 11:27 AM Thread Starter
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26 or 28 et drags?

2900 lb,306 vortech 600 whp,3.27 1st-tko trans,135 trap speed,3.55 or 3.73 not sure yet


Last edited by Marty White; 06-06-2008 at 11:29 AM.
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post #2 of 14 Old 06-06-2008, 01:27 PM
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What width? Remember with a larger diameter you get more tread contact area. I would go with 28's.
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post #3 of 14 Old 06-06-2008, 01:40 PM
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28s. With that much power and a stick, the taller sidewall will work to your advantage. Also, go with the stiff sidewall too for the same reason that it's a stick.

The rpm to you turn the motor to will determine what gear you need. Take a look at the mph calculator on here. That will pretty much tell you what you need.

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post #4 of 14 Old 06-06-2008, 08:11 PM Thread Starter
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i just want some stout 60ft's,not kill the gear too bad-never ran 28's always heard they were a little more stable at the top end
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post #5 of 14 Old 06-06-2008, 09:30 PM
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Go with the 28's you won't regret it.

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post #6 of 14 Old 06-06-2008, 10:12 PM
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With that combo NMRA RS guys claim that the new MT stiff 26 -10 are the ticket.

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post #7 of 14 Old 06-06-2008, 10:27 PM Thread Starter
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yeah,26x10's fit on my 15x8's perfect-they're isn't any more room now,it's basically going to be a real street combo-i don't know if a 28x10.5 will fit,i think it might kill 1st gear with the 28's and i'm leaning toward 3.55's
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post #8 of 14 Old 06-07-2008, 01:09 AM
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Quote:
Originally Posted by gray86hatch View Post
With that combo NMRA RS guys claim that the new MT stiff 26 -10 are the ticket.

Tim
Don't forget that these guys run 250lbs in the rear bumper and launch at 7000 rpm so they need the stiffer sidewall..

ks


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post #9 of 14 Old 06-07-2008, 01:25 AM
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Well a 28" tire will be much easier to get to hook, but will soak up a little more power and with more side wall they will be less stable than the 26" tires will be. Keep in mind the 28's will grow a little at higher speeds which will affect your gear cacluations a bit. The 26's will fit real good but will need a little more work to get to hook as good as the 28's but can be done.

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post #10 of 14 Old 06-07-2008, 02:42 AM
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As far as stability, my 28" stiff walls are great on the big end. Mine do NOT walk around at all.

If you have the room I would go for the 28" stiff wall if possible with the 3.73 gear ratio.


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post #11 of 14 Old 06-07-2008, 09:00 AM
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I would suggest 28x9's if you think you will have clearance issues.

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post #12 of 14 Old 06-07-2008, 09:13 AM
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26x10s here and running a 4.10 gear launching at 6000+ RPMS trapping in the 11x's have not had one bit of walk on the big end.

New times coming soon.....
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post #13 of 14 Old 06-07-2008, 09:15 AM
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I've got 28 inch tall slicks and bog everytime off the line with 3.73 gears and TKO 600 trans even when launching at 6k so far, still have stock axles. I don't bog as much on the bottle but still do. I'd either go with 26 or get more gear.

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post #14 of 14 Old 06-07-2008, 09:16 AM
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I had to clearance the crap out of the inner fenders to get them to fit but they still rub a little if I turn very fast.

8.0 @ 88 on motor, old 306
7.0 @ 100 on new engine combo
6.4 @ 108 letting out twice on bottle.
11.2 @ 126 in 1/4 on motor
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