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Re: Big block pros/cons?
I went from a small block to a big block in Big Bertha. I got 9 mpg with the small block towing 11k lbs trailer. I get 9 mpg towing with the big block going 15mpg faster up the hills. I did lose 2 mpg empty but 90% of the time I am towing. I would go with the big block
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1959 Apache Short Fleetside,
1959 Apache NAPCO Long Stepside,
1957 3100 with 59 fleetside bed
1957 5700 LCF Crew Cab "Big Bertha",1959 GMC F370
1958 GMC 600, 1946 Chevy, 1959 Viking 60 LCF
1974 Elcamino SS, 1979 6500 GMC Tilt Bed Wrecker
Big Bertha Build
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