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Originally Posted by 66LSx
I assumed from your 6.0 thread post you bought it because of the deal and it was a 6.0. (not MPG capable) [was was the title 'what a deal!']
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Yes, I bought it because it was a very desirable 6.0 for a great deal. But If I know about 6.0's I probably know about 5.3's too, right? Not that much of a stretch.
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When I read (Suburban vs. Impala (or similar) fuel economy?) I assume were discussing fuel economy as most of these cars don't have original motors.
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Yes, Suburban vs. Impala fuel economy. Key words:
Suburban vs. Impala.
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Aero to aero.... same motor and rear gear set... impala wins 10 out of 10 times
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I could also put smaller mirrors on my truck and win 10/10 (by a small margin) over the slightly larger mirrors. The question is/was by how much?
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By your last post I'm assuming your talking suburban vs. impala with OEM motors, trans and rear gears then.
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No, not really. Both use the same engines/transmissions, and the same swapping and rear gear swapping is common. Equal playing field as far as I'm concerned.
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If that is the case.... suburban will have some input and probably impala will be the wrong forum or only a response or two from actual impala owners.
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Most people on this forum have probably had more than one car/truck, or at least know someone who does. Might I add:
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Totally redesigned in 1965, the Impala set an all-time industry annual sales record of more than 1 million units in the U.S., which has never been bettered.
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That doesn't really sound like a super obscure car, does it? A LOT of people have had them. If you want the generic GM "family car" to go with your 60-66 truck, that's it. I didn't even say it had to be an Impala.
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It'll be a wash as the impala has twice the weight.. twice the aero.. truck is half as heavy but just a boat sail.
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Nope, not even close. A '68 four door Impala is actually slightly lighter than a '60-'66 Suburban, and just slightly heavier (if any) than a LWB truck.
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Maybe consider a diesel swap otherwise if your chasing real MPG. (cummins 4BT, 4BD1/2T isuzu etc. if you want 30+ mpg)
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Diesel swaps are very expensive and have drawbacks. I think it would be neat to do one, but I can't really justify it from a monetary/practical perspective (at least at this time). Also, this is again not really related to the question.
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Good luck to your endeavors of a 4 door impala vs. suburban. Hopefully you figure out what you really want it for... as impala is passengers and a big/short trunk... burb is tall cargo that can carry passengers on occasion.[a YOU decision]
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Realistically speaking, most of us here probably do not need/use the capacity of a truck most of the time. I can use my WTF HD one ton truck when I want to drag logs through the mud, pull houses, or haul a pile of BBC's in the bed. The rest of the time the big car would be great--especially if the fuel economy was better when you want to drive 500 miles running 80MPH. The Suburban has a little more seating or cargo capacity, but do I really need that? Not really.
It was just a harmless question. I guess I should have saved the space for another valuable and interesting thread asking if you can put a 350 in one of these trucks, or something like that...
