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NE one running 28x9 with 4.56 gears?

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Old 09-18-2002, 11:16 AM
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Default NE one running 28x9 with 4.56 gears?

just wondering if there are many out there with this combo. i think i will be crossing the traps around 6600 or so. maybe i am wrong. i am going to test this out on friday if the weather cooperates. most with the big gears are running the fully 28' over the 27.3" tire. i think at 6800 rpms i will be limited to 118 mph or so. maybe my calculations are off.

<small>[ September 18, 2002, 11:18 AM: Message edited by: gator's 99TA ]</small>
Old 09-18-2002, 02:29 PM
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Default Re: NE one running 28x9 with 4.56 gears?

i guess not
Old 09-19-2002, 10:36 AM
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Default Re: NE one running 28x9 with 4.56 gears?

ahhh, come on! no one has thought about this tire and gear combo?
Old 09-19-2002, 11:28 AM
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Default Re: NE one running 28x9 with 4.56 gears?

I ran that combo on my car but decided to go back to 4.10/26 slick instead and only lost .05/1MPH

I goin to advance my cam to the proper ICL which will drop my peak abut 200 rpm...(6300 VS 6500)

Just use this math equation
MPH X GEAR X 336 DIVIDED by TIRE HEIGHT

I used 122 as my NEW GOAL MPH.I want to cross at 6500,4.10/26 works out to 6464 RPM threw the lights.Hope this helps....

JS
Old 09-19-2002, 11:39 AM
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Default Re: NE one running 28x9 with 4.56 gears?

I ran a combo of 28x10x15 slicks with 5.46 gears for most of this years racing season and would cross the traps at 6,600 to 6,800 rpms @ 122mph. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />

Now, I have a combo of 30x9x15 slicks with 5.13 gears and cross the traps at 6,800 to 7,000 rpms @ 121mph. <img border="0" alt="[devil]" title="" src="graemlins/gr_devil.gif" />

Good luck to ya this weekend. <img border="0" alt="[angel]" title="" src="graemlins/gr_angel.gif" />

<small>[ September 19, 2002, 11:41 AM: Message edited by: Coach 02 M6 Z/28 ]</small>




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