Gears

JFB · 08-27-2002, 08:45 AM

Can anyone tell me what RPM you are trunning at 70 or 80MPH with the new 4:10 gears? I am thinking about making the change, but am concerned about highway RPM being too high. Thanks in advance.

JFB:p

**Logan** · 08-27-2002, 08:47 AM

I've run 4.10's since 200 miles and can tell you they're perfect for the car.

Here's a chart comparing rpm's at various speeds.

http://www.mercurymarauder.net/gears.html

WJSOLOMON · 08-27-2002, 09:30 PM

Originally posted by Logan: "I've run 4.10's since 200 miles and can tell you they're perfect for the car. Here's a chart comparing rpm's at various speeds."//www.mercurymarauder.net/gears.htm"

Had a chance to see how the MPG has changed?

**Logan** · 08-28-2002, 04:49 AM

I average around 16-17mpg.

WJSOLOMON · 08-28-2002, 06:59 AM

Originally posted by Logan:"I average around 16-17mpg."

Thanks, Logan. Would that be City, Highway, or an average of Both?

**Wags** · 08-28-2002, 07:52 AM

So far with mine, I've had one tank that was ~20, but all others have been right at 15 to 17. This is mostly highway driving. I have about 2800 miles on it so far.

**Logan** · 08-28-2002, 10:13 AM

That's an average of both. I also drive like a maniac. Let me say this instead.

If I drove like a normal person, I'm pretty confident I could get 18-19mpg city out of her with the 4.10's.

**MarauderMike** · 08-28-2002, 10:57 AM

With the Reinhart chip and the 4.10 gear, I consistently get better than 17.5 mpg around town and I don't baby the car that much. I haven't had the opportunity for a good highway run.

**Wags** · 08-28-2002, 12:58 PM

I'm surprized at the numbers you guys are getting for mpg. I'm not close to that, and I'm still stock!

I do run wot alot though, maybe that's why

**MarauderMike** · 08-29-2002, 01:49 PM

My experience it with the 4.10 gear I'm getting about 1.5 to 2 mpg better milage around town. It surprised me to, but I've checked it a few times now. Go for it!

VaderSS · 08-30-2002, 07:48 AM

Should not be a suprise. The car is WAY overgeared stock. That means, stock you have to lug it on take-off, with the 4.10s, it now takes off easily, using less gas.

**GarageMahal** · 08-30-2002, 10:23 AM

Thanks to all the information here I am really getting the itch to modify my car. The 4.10s sound like a must but I have no idea how they would impact snow performance.

Here in Minnesota we spend nearly half of the year with the slippery stuff and I can't afford to comprise traction.

Will 4.10s hurt or help?

Thanks
jta

**Logan** · 08-30-2002, 10:29 AM

They'd be fine.

You don't notice the gears unless you get seriously into the throttle.

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