Posted by jdemaris on February 07, 2010 at 07:32:51 from (67.142.130.30):
In Reply to: My old 73 GMC, PIC posted by JayinNY on February 06, 2010 at 18:50:47:
I used to car-pool with a friend that bought his 1973 Chevy 1/2 ton, brand-new. 1/2 ton, 350 engine with 4 barrel Quadrajet, four speed manual, and full-time 4WD. We drove 50 miles a day, back and forth to the John Deere dealership. When it was my turn, I drove either my 64 Chevelle SS (with a 283 and Muncie 4 sp) or my 69 Dodge W200 Powerwagon with a 318,4WD and 4.88 axles).
Back to my point - about the 73 Chevy. It was very fast. In fact, one of the strongest 350 powered trucks I ever drove. The local dealer he bought it from said the same. He (the dealer) said none others that he sold were like that and nobody seemed to know why it had so much power.
After the Chevy had 150K miles on it, and still ran great (engine and full time 4WD system) - we both got the bright idea to "soup up" both our trucks and make them more fuel efficient at the same time. So, for his 73 Chevy 350 and my 69 Dodge 318, we bought and installed headers, high compression pistons, Crane RV camshafts and lifters, matching aluminum dual-plane intake manifolds, and Holley carbs. He also converted his Chevy to part-time 4WD. What was the end result? Neither truck ran as good as before. The Chevy still got 9 - 10 MPG and my Dodge got 7 - 8 MPG. My Dodge, by the way has 4.88 axle ratios and I still use it as a farm truck.
It still remains a mystery why that 73 350 ran so good when it was factory-stock. I've got a 79 with full-time 4WD and a 350 and it does not have near the power that 73 had.
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