Question about 1997 Chevrolet Blazer
Disconnecting the 4x4 will lead to a small improvement but not as dramatic as has been suggested. All that is achieved using the idea mentioned is to prevent the driver from selecting 4WD.
It won't make any greater difference than by just leaving the vehicle in 2WD via the usual transmission controls: you'll still have the additional mechanical weight to lug around, the additional frictional and aerodynamic drag of the unused mechanism and on some surfaces the inability to engage 4WD will actually increase fuel consumption.
Total removal of the additional components to permanently convert to 2WD plus smaller wheels and tyres, a smaller capacity engine and a lowered suspension will make a real difference but will be far more expensive than simply buying a proper 2WD vehicle with a smaller engine. You'd also ruin the resale value of your Blazer. Don't forget that if you drop all the gas guzzling extras, you won't need a larger engine to haul it everywhere to start with, so your best bet is to just trade in for a road going vehicle with the interior room that you need.
You'll also make a large saving in fuel by driving appropriately, maintaining correct tyre type (road tyres for road use, mud and snow tyres for the mucky stuff) and correct tyre pressures and not permanently carrying around heavy loads, roof racks or roof boxes unless absolutely necessary. Regular vehicle servicing can also make a large difference to mpg.
Posted on May 28, 2010
Testimonial: "THANK YOU VERY MUCH,like i told her the day he told her,if it was true then why didn't anyone else do this!!I figured he was just trying to see if she had a hubby(ME),now she just said if you forget what to do,your husband SHOULD know what to do?Hopefully we run into him someday,cuz i REALLY know what i'm going to do, i'm going to have him show me,and if wherever he points out isn't related to the 4wh.drive,he won't have to worry about gas mileage for a while,cuz it's kinda hard to drive with your eyes swollen shut,LOL,thanks for responding,we love our blazer the way it is,and we use it for pulling our camper,the old-lady is a penny-pincher,thats how this all came about,i'm going to write your name down for the future and for friends,i thought your answer was very professional,even the wife understood it,I THINK!"
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Posted on Jan 02, 2017
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