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General Discussion Sit down and chat with fellow members! Any topics that don't fit other categories goes here. |
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#1
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Well, I had to know and wish I didnt...checked the mileage on the 66 couple days ago and granted, she needs a tune up, I wasn't expecting what I got, nor was I expecting 15-20 mi/gal either. However, I checked it after running g around town a few days and 6.35/gal is all I'm getting. Yes I did the math 3 times and cane out the same every time. So how about anyone else, how good/bad is your mileage. I'm running a 350 with sm420 behind it...tell me it's gonna a get better after a good tune up lol. My financial advisor (wife) "advised" me to get better mileage or we both are headed for scrap yard.....
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#2
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#3
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My truck average about 12 mpg, mixed city/hiway driving. This is base on six years of driving.
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#4
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350 V8 you say? Or 351 V6? We like the V6's, not so much the Chevy V8.
Anyway, with the 305 V6 most get between 11-13 MPG. Figured the 351 is about the same. Have you checked the mechanical and vacuum advance on your distributor? Both should move freely, and the vacuum advance canister should hold a vacuum. |
#5
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It's a 350 v8, prev owner swapped the motor....
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#6
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That's a shame. SBC's are used often to replace the V6 - not much class in a 350 small block - the least a person could do is use a period correct SBC like a 283 or 327 and keep a little face. But a BBC wouldn't be too bad of a replacement - at least it would give the altered GMC a little more of a shine than being transplanted with a run of the mill SBC.
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#7
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I agree completely, a 327 would've been nice, even a 383 would've been better. The bright side, I know 350's front to back top to bottom, easy to work on...
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#8
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And don't worry George, she loves us both too much for the scrap yard lol. Thankfully, I sure would miss her ;0)
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#9
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Have you checked the advance in the distributor?
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