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08-31-2013, 09:33 PM
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#1 |
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Registered User
Join Date: Dec 2012
Location: Batesville Indiana
Posts: 126
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Re: Post your cruising rpms @60mph
I'll porbably sell the 4.56 gears to some pretty cheap and try to trade my 20s for some 15 wire wheels that will raise my rpms up a bit
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09-01-2013, 12:04 AM
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#2 |
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Registered User
Join Date: Nov 2006
Location: Amador County, Ca.
Posts: 229
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Re: Post your cruising rpms @60mph
87 st cab long bed 4x4
350tbi /th400 / 4.11 grears at 55mph= 2400rpm= 8mpg 89 crew/dually 4x4 454tbi / th400 / 4.11 gears at 55mph=2400rpm=8mpg Need to add an OD!!
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1995 GMC 4x4 1/2 ton 1999 Jeep Wrangler w/ 33's 68 camaro 350/350 1987 Chevy 3/4 ton 4x4 Suzuki DRZ 400s Dual Sport 1971 chevy long bed 2x4 194? Dodge 2.5 ton 1980 Chevy Cheyenne 4x4 1/2 ton I6/sm455 1989 Chevy V30 crewcab dually 454/TH400 |
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09-06-2013, 06:50 AM
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#3 |
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Registered User
Join Date: Sep 2010
Location: Lake Havasu City Arizona
Posts: 863
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Re: Post your cruising rpms @60mph
85 C10
Stock 305 Headers T56 .50 6th 29" tire 3:70 r&p 1600@80mph No idea at 60mph, who drives that slow?
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09-06-2013, 06:57 AM
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#4 | |
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Registered User
Join Date: Dec 2012
Location: Batesville Indiana
Posts: 126
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Re: Post your cruising rpms @60mph
Quote:
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09-07-2013, 09:26 AM
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#5 |
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Registered User
Join Date: Mar 2010
Location: Beaufort SC
Posts: 583
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Re: Post your cruising rpms @60mph
77 K10
350 TBI 700R4 NP 208 StarFire 285/75R16 4.10 Gear Ratio 1750 & 60 MPH Gets 16 MPG on long cruise.
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1981 Dodge D-150 (under construction) 2007 Chevy Suburban 2010 Dodge Charger R/T 1980 Kawasaki KZ 440 2004 Harley Sportster 1200 |
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09-07-2013, 10:00 AM
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#6 |
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Just here to tinker
 
Join Date: Jun 2008
Location: Holland, MI
Posts: 3,697
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Re: Post your cruising rpms @60mph
'78 short box 2wd lowered
350 Diesel,t400,GV o/d-.78 final drive, 3.40 in the rear. With a 27" tire I was at 2300 RPM at 70 MPH and if I drove all highway I got 23 MPG. 18 MPG in the city I just swapped in 3:73's with limited slip in the rear which should put me around 2500 RPM at 70. We'll see what I get this next week for fuel mileage. Posted via Mobile Device
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78 C10 SWB Diesel #1 (wrecked)http://67-72chevytrucks.com/vboard/s...1978+silverado 78 C10 SWB Diesel #2 (sold)http://67-72chevytrucks.com/vboard/s...d.php?t=650751 60 GMC Suburban (sold)http://67-72chevytrucks.com/vboard/s...d.php?t=445526 60 GMC 1000 (sold)http://67-72chevytrucks.com/vboard/showthread.php?t=298235 67 GMC 1500 (sold) http://67-72chevytrucks.com/vboard/s...d.php?t=803695 73 Chevy C20(Daily)http://67-72chevytrucks.com/vboard/s...d.php?t=852767 86 Suburban(summer unit) http://67-72chevytrucks.com/vboard/s...d.php?t=810697 88 Suburban 4x4(sold) |
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09-07-2013, 10:27 AM
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#7 |
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Registered User
Join Date: Feb 2012
Location: Big Valley. Alberta
Posts: 674
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Re: Post your cruising rpms @60mph
86 K20 350/465/208/4.10s 7" lift on 35s runs about 2500 rpm @60 about12-14 mpg
81 K35 CCLB 454/400/205/4.56 rpm unknown,6-8 mpg. 86 K25 6.2/400/208/3.73s 4" lift on 33s runs about 2600 @60 about 16-18 mpg. Posted via Mobile Device
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1977 Chev C30 454/465/14ff DRW 1974 Chev C20.350/465/14ff " Rock n Roll ain't noise pollution" 
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09-18-2013, 08:57 AM
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#8 |
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BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: Post your cruising rpms @60mph
ZZ4 355 HP!!!
700R4 custom built 3.08 gears 255/60R15 1950 RPMS @ 70 MPH 18.5 MPG :METAL: |
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