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Old 10-01-2009, 02:39 PM   #1 (permalink)
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New to the forum 10-1-09

Hey all,

I heard about this forum from a friend who recently joined, and he said that this was a really good place to come if I wanted to find out how to squeeze more mpg's from my vehicles.

The vehicles I own and drive are a 1998 Camaro (3.8L V6 auto) and a 1997 Blazer 4X4, 4-dr (4.3L V6 auto). The Camaro is actually surprisingly good on gas for what it is (23-25mpg city, 27-34mpg highway - depending on set cruise speed), but the Blazer is...well...a midsized metallic red pig (16-17 mpg, combined city/highway).

I'd really like to get the mileage on the Blazer up. I'd be happy if I could get just 22mpg out of it. Has anyone else on here ever acheived 22+mpg with a 4.3L Blazer/S-10 pickup?

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Old 10-01-2009, 03:54 PM   #2 (permalink)
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The Crimson Crawler - '04 Hyundai Elantra GLS
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Over on CleanMPG, a user known as "nervousmini" has a Blazer:


Last edited by Nevyn; 10-01-2009 at 03:57 PM.. Reason: added more
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Old 10-01-2009, 04:34 PM   #3 (permalink)
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oldscoob - '87 subaru wagon gl/dr
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The blazer 4.3 has a very stressed design internally. Do not lean it too much. going for high teens mpg will at least keep it going. I refer to the crankshaft. All engines could be double in greater fuel mileage, oem designs prevent it. the 4.3 is a rare one to just simply leave alone, like 90% of inlines...

today smaller displacement and suffering how much cannot be done with your vehicle is about the only way to start with a strong base for good fuel mileage, and go from there.
It even keeps 3 cylinder geos popular. If there was four cyl doing the same consumption for thousands of pounds of work over it...we'd be seeking it hey?
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Old 01-02-2011, 07:42 PM   #4 (permalink)
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The Rock - '96 Chevrolet Blazer 4x4
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I found a PUROLATOR HIGH FLOW WASHABLE Air Filter / Air Cleaner at Wal mart about 4 years ago... I took the air filter system out of the truck, washed it with soap, etc. I installed the new filter, cost was about $15.00. I went to 21.6 to 22 MPG, SAME 38 mile route, north to south every day. It was awesome! In headwinds, still got 19.5 MPG. Traveled 68 to 71 MPH average and only 2 stop signs, 36 miles were interstate 4 and 6 lane.

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