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#1 |
Registered User
Join Date: Sep 2003
Location: Atascadero, CA.
Posts: 149
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What MPG should I be getting?
What MPG should I have 4X4 longbed with 33" tires 4.56 gears w/posi and 700R4?
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84 Silverado, |
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#2 |
www.73-87chevytrucks.com
![]() Join Date: Dec 1999
Location: Birmingham, AL
Posts: 6,935
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If you are lucky, you will break past 10mpg. More realistically expect about 8-10. After some tuning, it might get 12, but that is about the max for a 4x4.
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Chris Lucas 1973 Chevy C-10 1978 GMC Jimmy (2WD) - SOLD 1987 R10 twin turbo LS 1991 R3500 SRW CrewCab 1985 K5 diesel swapped project 1989 K5 2WD conversion w/ Vette susp Project Captkaos Customs 73-87chevytrucks.com |
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#3 |
LED King
Join Date: Jan 2003
Location: Sacramento, CA
Posts: 2,088
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what engine? - BTW why do you have different gear ratios from front to back? that is very bad for the 4X4 system.
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Tyler 1985 C10 305 w/ Bowtie OD TH700R4 3.42 LSD 202,000 miles 2006 Ford Focus ZX3 5-speed Stick 2016 Chevy Spark EV Gone: 2002.5 VW GTI 24v VR6 Gone: 2008 VW R32 |
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#4 |
Registered User
Join Date: Sep 2003
Location: Atascadero, CA.
Posts: 149
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I have 3.07 in the front
4.56 inthe rear wuz up
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84 Silverado, |
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#5 | |
Registered User
Join Date: Jul 2001
Location: Laughlin, Nv. USA
Posts: 700
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Quote:
Hmmmm May be someone switched one of the axels ?? I always thought they were to be matching ratios, otherwise the odd tire rotation would be hard to control on steering ![]() |
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#6 |
Registered User
Join Date: Sep 2003
Location: Atascadero, CA.
Posts: 149
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drove 107 miles and filled up 8gallons. = 13.375 mpg
to bad the speedo is off and not adjusted for my setup so I am probably doing more like 10mpg
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84 Silverado, |
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#7 | |
www.73-87chevytrucks.com
![]() Join Date: Dec 1999
Location: Birmingham, AL
Posts: 6,935
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Quote:
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Chris Lucas 1973 Chevy C-10 1978 GMC Jimmy (2WD) - SOLD 1987 R10 twin turbo LS 1991 R3500 SRW CrewCab 1985 K5 diesel swapped project 1989 K5 2WD conversion w/ Vette susp Project Captkaos Customs 73-87chevytrucks.com |
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#8 |
Registered User
Join Date: Sep 2003
Location: Atascadero, CA.
Posts: 149
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I had a friend of mine check it out for a few feet,
when I noticed the back tires skipping, I told him to stop and get out of 4X4 mode. sucks that I can't use 4x4, waiting and hopeing the guy that sold me the truck will fix the problem
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84 Silverado, |
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