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Message: <blockquote data-quote="RichV" data-source="post: 1414788" data-attributes="member: 17007"><p>Most of our courses are 2.xx miles. There are a couple of low speed turns, but for the most part you're spending your time in the 45-130mph range. So in my case, with a stock-ish pushrod 5.0 I loose pull at 5500 or so. I ran 3:73 at one time, going into 5th gear on longer straights (approx 90mph) was like dropping a boat anchor. This is due to the stock T5 o/d gear which can be modded, however I have this fear of diving into transmissions to change it out. Lol, someday I will. You also take into consideration shifting, so for an average 2.xx mile track I shift about 200 times for 20 laps. 3:27 gears keep me in 3-4 most of the time, if I ran 4:10 gearing I would be in 3-4-5 most of the time which could add up to 33% more shifts. But with a different power band, this calculation would change. Idealy, with a .88 5th I would run 3:55 or 3:73, but for now I'd rather run a usable 4 speed, than a unusable 5 speed. Make sense?</p></blockquote><p></p>