RE: Rear axle ratio, need some advice.

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RE: Rear axle ratio, need some advice.

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Chevrolet Forum >> Chevy Trucks, Vans & SUV's >> Tahoe >> RE: Rear axle ratio, need some advice.

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RE: Rear axle ratio, need some advice. - 2/6/2008 9:15:29 AM

ZX1100F1

Posts: 2429
Joined: 8/1/2006
Status: offline

No toys or blue hair, but I do have a light foot and am fuel economy conscious and besides; I only drive downhill with a tailwind.

Here are things that I do that may help my MPG:

I use synthetic motor oil.
I use regular 85 octane gasoline (87 when in lower elevations).
I removed the honeycomb screen at the front of the MAF (doing this voids the warranty on the MAF).
I try to avoid using cruise control, when I hit a fairly decent grade I will allow some speed to bleed off and then recapture it on the downhill, cruise control will hold the speed dead-on but this is not usually the most efficient method of operation.
I avoid using full throttle and jackrabbit starts (unless I have to bust a move to keep from getting run over).
I don't use Auto-Start or let the vehicle sit idling while warming up, I get in start the motor and drive off, I take it real easy on the motor until it reaches normal operating temperature.
I do not carry unnecessary items in the vehicle to keep the weight down as much as possible.
I removed the crossbars from the luggage rack (never have had a need for a luggage rack in my life).
I keep my tires pressures at 10% above the door jamb sticker, I check and adjust them at nearly every fill-up (sticker says: 31psi all the way around I run at 33psi).
My best MPG is in the summer, the local winter blend (10% Ethanol) fuel reduces my economy by about 5-10% this time of year.
I also find that I seam to get better economy on some brands of gasoline then I do on others, so shop around.

Not one of these things alone will make a detectable difference (except driving style) but all added up should have a positive effect.

< Message edited by ZX1100F1 -- 2/6/2008 9:18:14 AM >

(in reply to Throttle)

Post #: 21

RE: Rear axle ratio, need some advice. - 2/6/2008 12:31:10 PM

73shark

Posts: 2326
Joined: 4/17/2006
Status: offline

Is the purpose of the MAF screen to just protect the MAF in case the air filter goes TU and lets something thru or even part of itself?

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(in reply to ZX1100F1)

Post #: 22

RE: Rear axle ratio, need some advice. - 2/6/2008 2:23:30 PM

ZX1100F1

Posts: 2429
Joined: 8/1/2006
Status: offline

Exactly, it is to prevent a large potentially engine damaging piece of debris (such as a grasshopper or leaf) from entering the engine in the event that the air filter element is mistakenly not in place.

(in reply to 73shark)

Post #: 23