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Re: Inline-6 carb preferences?
Quote:
Originally Posted by greg64
Mike, a 2.73 rear with a 250 doesn't sound right, at least for a 70s truck anyway. Mine is 3.42 and 3.73 was common too. If it really is factory, GM must have been desperate for fuel economy.
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My 1984 C10 has a 250 (integrated head, variable venturi 2 barrel), 3 speed saginaw and a 2.73 geared 10 bolt. Not the worst combo, but far from the best.
Best fuel economy I've seen is about 13.
5.3, 4L60E and 3.42 posi are in line to go in.
Just to keep with the thread, I'm on my second of these carbs on this truck and I just can't make them work as well as I'd like.
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Joe
'75 GMC Gentleman Jim
'84 Chev C10 Short Wide - Super duper plain (manual steering, manual brakes, no dome light, no cig lighter)
'85 Chev C10 Short Wide - Super plain Vortec 4.8 4L60E trans
also: '81 K30, '83 C30 Crew Dually, '84 M1028 CUCV, '85 M1009 CUCV, another '85 C10 SWB, '87 C10, '87 R30, 2 '89 R3500 Flatbeds
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