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Old 04-28-2003, 04:22 PM   #1
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Default My Gearing?!?

Hi i have the standard Gearing on my MR4-TC which is 22T pinion and 78T Spur. Which i been told that for a 27 Turn stock a good starting point would be a 30T pinion and 75T Spur.

I will be using a Monster Horsepower Stock and im racing on quite a twisty track, with a couple of quite fast straights.

What do u reckon on this?

Thanks
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Old 04-28-2003, 04:33 PM   #2
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30/75 seems real high for a monster. I set my monster up with a 7.5 final drive (tc3) and 30/75 in the yok would be a 5.5 I believe
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Old 04-28-2003, 04:49 PM   #3
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Ok with my 22/78 my overal drive ratio is 7.8 and rollout is 22.56, is this overgeard or undergeard for a twisty track witha couple of quick straights.
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Old 04-28-2003, 06:08 PM   #4
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I personally gear around 8.2-8.5, the monster makes a lot of revs so i gear very short and still have plenty of straight speed.
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Old 04-28-2003, 06:10 PM   #5
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7.8 is probably about right or maybe a gear it an RCH lower. Mine is just a tiny bit too high right now.
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Old 04-28-2003, 06:11 PM   #6
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It all depends on the track size as well
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Old 04-28-2003, 06:14 PM   #7
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I saw your picture on the other post you made, that track is very big. Id gear around a 7.5 to 7.8
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Old 04-28-2003, 06:18 PM   #8
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will that ratio apply to most stock motors? will be running a green machine 3 and have no idea yet as to what pinion gear to get?.. any suggestions as to ratio and what pinion to get? ..will be running a tight track. thanks!
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Old 04-29-2003, 05:01 AM   #9
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Around 7.5:1 is a safe starting point for most stocks on a tight track.
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