!!! Mpg !!! - The 1947 - Present Chevrolet & GMC Truck Message Board Network

1972CST · 09-14-2008, 04:02 PM

This seems to be more of an issue these days. I am looking forward to getting my Blazer on the road soon and I dont know what to expect for gas mileage. I am currently running a mild 350 w/ a 600 Holley backed by a TH350. Right now I am running 33's and 3.08 gears(going to 3.73,s). I would expect maybe around 12 mpg..... is this close? Gas has spiked to $5.29 a gallon b/c of the hurricane and its not looking good right now.

09-14-2008, 04:02 PM	#1
1972CST Registered User Join Date: Mar 2008 Location: Concord NC Posts: 511	!!! Mpg !!! This seems to be more of an issue these days. I am looking forward to getting my Blazer on the road soon and I dont know what to expect for gas mileage. I am currently running a mild 350 w/ a 600 Holley backed by a TH350. Right now I am running 33's and 3.08 gears(going to 3.73,s). I would expect maybe around 12 mpg..... is this close? Gas has spiked to $5.29 a gallon b/c of the hurricane and its not looking good right now.



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