Thread: 71 c10 4.3
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Old 04-10-2015, 10:10 AM   #3
Longhorn 70
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Re: 71 c10 4.3

Welcome to the board cblock !

Quote:
Originally Posted by hugger6933 View Post
Go back with the 350 and the overdrive. I am a s-10 man or used to be I built tons of them over the years and owned one of every year model through the whole run of them[I built a lot of S-10's] While the 4.3 is a good motor its basic problem in the full sized truck [and the S-10] was it was underpowered.
I agree with Jim. I have owned good running 4.3s and while they were super reliable, they sucked wind. A good running 350 will get better mileage in heavier square vehicles. In my opinion, the reason our trucks get poor fuel economy is due to their frontal area and gear ratios.
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1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11.
1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar

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