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09-25-2011, 02:35 PM
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#1 |
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Registered User
Join Date: Sep 2011
Location: MAPLEWOOD
Posts: 58
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1986 6.2 2wd "j" code
Hey I just aquired to use, from my dad, a 1986 GMC Half ton 2WD. It has 6.2 "j" code engine and a 700r4 tranny with 3.42 gears. Is this a good set up?
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09-25-2011, 02:40 PM
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#2 |
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Resident of Here
Join Date: May 2008
Location: Wesley Chapel, FL, USA
Posts: 7,716
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Re: 1986 6.2 2wd "j" code
Very good! You should get minimum 15mpg city, but more like 18. And highway will be 22-32mpg, depending on tire size, speed, wind, hills, etc etc.
Great torque and good power. Should last forever!
__________________
~Bradley~ 2004 Black GTO LS2/T56 too much to list  Miss having a truck 
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09-26-2011, 01:43 PM
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#3 |
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Registered User
Join Date: Sep 2011
Location: MAPLEWOOD
Posts: 58
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Re: 1986 6.2 2wd "j" code
I do average 21 mpg, but thats going 65mph. I drive 25 miles one way to work each day. Im happy with that!
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09-26-2011, 01:45 PM
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#4 |
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Resident of Here
Join Date: May 2008
Location: Wesley Chapel, FL, USA
Posts: 7,716
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Re: 1986 6.2 2wd "j" code
Any other questions feel free to ask!
__________________
~Bradley~ 2004 Black GTO LS2/T56 too much to list Miss having a truck
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09-26-2011, 09:02 PM
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#5 | |
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Registered User
Join Date: Sep 2000
Location: Gold Bar, WA
Posts: 1,216
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Re: 1986 6.2 2wd "j" code
Quote:
__________________
My Projects: 1960 GMC 1/2ton with 305 V6 (daily driver) 1963 Chevy 1/2ton 2wd...converting to 4x4 1967 Suburban 1/2ton 2wd My Girlfriends Projects 1985 Chevy Suburban 3/4ton 4x4 with 6.2L diesel, 4" lift, converted to TH-400, Warn Premium manual hubs, & Wildcat 315/75/R16 tires. (daily driver) 1978 Camaro Type LT with a Marine 350 & vortec heads, Rochester Carb, & roller cam 1978 Camaro Z28 |
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09-27-2011, 06:15 AM
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#6 |
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Special Order
  
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
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Re: 1986 6.2 2wd "j" code
That sounds like a nice set-up. Is this a Suburban,I assume? Nice!!
I've never heard of mileage over low to mid-twenties before. I've owned four 6.2s and never got better than 22 mpg. The 6.5TD gets 5 or less MPG. My '92 gets 15 mpg,it doesn't matter where or how I drive. Take it real easy and it gets 15.5 mpg. I feel that's great and well worth owning.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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09-27-2011, 09:38 AM
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#7 |
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Registered User
Join Date: Sep 2011
Location: MAPLEWOOD
Posts: 58
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Re: 1986 6.2 2wd "j" code
It is great, but here in Minnesota diesel is $4.00 a gallon and the suburban has a 40 gallon tank. :-(
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09-27-2011, 03:23 PM
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#8 |
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Special Order
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
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Re: 1986 6.2 2wd "j" code
Well,you are getting 800 or more miles out of that and a 350 would get more like 400. So do the math,you're still ahead.
__________________
"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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09-27-2011, 06:56 PM
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#9 |
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Registered User
Join Date: Sep 2011
Location: MAPLEWOOD
Posts: 58
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Re: 1986 6.2 2wd "j" code
That is true! For as rusty as it is, it is a fairly decent truck. The truck runs a heck of alot better than it looks! I do love the mileage. If I had the cash I would love to just purchase it from him and put a clean body on it, and do a mild restore to stock!
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09-27-2011, 08:57 PM
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#10 |
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I know the pieces fit
Join Date: Nov 2007
Location: MONTGOMERY, AL
Posts: 5,523
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Re: 1986 6.2 2wd "j" code
One of the many reasons I love my M1009 - I don't have to stop for fuel every time I drive it, not by a loooong shot.
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