Does 4.10 gear change your gas mileage?
04-07-2005, 06:16 PM
#22
TECH Apprentice
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Yeah so do I, I usually try to use sixth at 45 and up. My rpms are real low around 1200-1300. I always figured the lower the rpms the better the mileage and wear and tear if your just cruising a constant speed. I can't wait to get 4.10's, it really makes a big difference, right?
04-07-2005, 07:32 PM
#23
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Originally Posted by PROGRESS
Hey all, I was just wondering this since the next thing I will be saving up for is a 12bolt. How does the gearing change your gas mileage? My TA is a daily commuter and Im in a lot of bumper to bumper here in LA so I dont want to do anything that will kill my mileage. Is that affected at all?
04-10-2005, 12:22 AM
#25
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If you look at this scientifically - fuel is consumed based upon how much "work" the engine is doing. So assuming all variables remain constant, the fuel expenditure will not change. However there is a slight efficiency loss by spinning the engine (and accessories) faster. So if you maintain exactly 60mph for example, the fuel consumption will only change based upon the extra energy required to turn the accessories and rotating assemble that extra 400rpm. So my guess is 1 or 2 MPG.
But in traffic it will probably average out.
But in traffic it will probably average out.
