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Thread: 8.1L in a 1999 Suburban?
11-07-2012, 07:34 PM #1
- Join Date
- Jul 2012
- Rockaway, NJ
8.1L in a 1999 Suburban?
Just wondering if anyone here ever swapped an 8.1 into the GMT400 body style. I know the 7.4 would be a pretty easy swap since its the same generation, but what about the 6 and 8.1? The 5.7 will haul my 5000 lb boat fine but she heats up after a while when going over 80. I was hoping it would be cheaper to buy a 6L or 8.1 and install heavy duty leaf springs than to buy a newer 3/4 ton. Also would appreciate if anyone with experience with all three engines (6, 8.1, 7.4) could lend me some wisdom about them. I know the 8.1 is a gas hog, but I'm averaging 12.5 with the 5.7 now so.....
Last edited by '99Suburban; 11-07-2012 at 08:50 PM.MONTANA CADILLAC
Proper noun. Used to describe ones large, lifted, comfortable, gas guzzling SUV that is driven primarily in the backwoods. Synonym for Chevy Suburban/ GMC Yukon XL.
One corporate Suburbanite says to the other, while sipping his overpriced latte, "Check out the hick in that Montana Cadillac!" Both giggle as they wait for AAA to come pull their Audi/ BMW/ Mercedes out of a snow filled ditch
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