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#1 |
Registered User
Join Date: Dec 2012
Location: Batesville Indiana
Posts: 126
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Post your cruising rpms @60mph
Post your set up,
383 small cam headers intake q-jet 3" exhaust 200-4r 3.08 29.4" tires 255/45/20 Getting roughly 16.5 mpg Rpm@60= 1300 roughly Posted via Mobile Device |
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#2 |
Registered User
Join Date: Dec 2011
Location: Regina, SK, Canada
Posts: 622
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Re: Post your cruising rpms @60mph
454 781 heads
Edelbrock 750 and Performer Headers Torque ground cam and roller rockers 4L80E 3.73 32" tires 1850@60
__________________
1979 Chevy Dually Crew 4X4 454, D60 Tru-trac, D70 Detroit Locker, 3.73, 4L80E/NP205 1971 GMC 3/4 Ton 4X4 |
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#3 |
GoatLube Experss
![]() Join Date: Oct 2009
Location: clarksville, Tn.
Posts: 1,337
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Re: Post your cruising rpms @60mph
don't have the tach hook'd up yet but it sound's like 12000 at 60 MPH, I need overdrive and a 3.73 gear bad !
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Goat Lube Express, locations in Qalat,Afghanistan & Clarksville, Tn. '87 R30 dually 454/TH400 '85 1/2 ton CCSB '92 S10 350/350 '84 MonteCarlo 383/PG/9"ford '78 Malibu wagon 350/350 '78 Cutlass (project family car) '96 S10 Jimmy (Moma's) |
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#4 |
Registered User
Join Date: Nov 2008
Location: Gwinnett GA
Posts: 1,803
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Re: Post your cruising rpms @60mph
Stock 305 smokes and burns oil. 31 inch tires. SM465 creeper box with 3.08 gears. 2000 at 60
Posted via Mobile Device
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1982 K10 SWB 1987 V20 - Sold - Doh! |
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#5 |
Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Post your cruising rpms @60mph
26.5 tires and 3:73 gears and th350. 3000rpm at 60mph 3500 at 70mph which is where I cruise at haha. I need a nice 200r4
Posted via Mobile Device
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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#6 | |
Slugish
![]() Join Date: Jan 2005
Location: Earlysville, Va.
Posts: 1,024
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Re: Post your cruising rpms @60mph
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#7 |
Registered User
Join Date: Apr 2011
Location: Cleveland, Ohio
Posts: 293
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Re: Post your cruising rpms @60mph
28" tires 3.73 gears and a nv3500, roughly like 2200-2500 rpms around 70-75
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1980 C10 SWB Yukon 5.3/5 speed 3.73 gears. |
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#8 |
Registered User
Join Date: Apr 2013
Location: Nor-Cal
Posts: 632
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Re: Post your cruising rpms @60mph
Stock 305
Edelbrock 1406 700r4 No clue rear gears 235/75/15 1750 @ 60 1950-2000 @ 72 about 22 mpg
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WHO_DCTC - Wifes 05 Z-71 Build - Now defunct as she decided she wants an Escalade too Cream Puff - LS'd Square - Slow going on the back burner Tripple Threat - 3 Wrecks for the price of one build thread Project Delongdium - Step-Sons Plastic Clad 2003 Avalanche - DONE and Delivered. |
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#9 |
Registered User
Join Date: Dec 2012
Location: Batesville Indiana
Posts: 126
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Re: Post your cruising rpms @60mph
My 200-4r was free ha, I have an older friend and he can not stand o/d auto trannies. He is a hot rod guy and... MOPAR. Any way I'm thinking of swapping gears to raise my rpms. I think 1200-1400 is too few rpms for a first gen sbc.
Keep posting them up! Posted via Mobile Device |
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#10 | |
Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,178
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Re: Post your cruising rpms @60mph
Quote:
http://www.customclassictrucks.com/t..._transmission/ K
__________________
Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
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#11 | |
Registered User
Join Date: Dec 2012
Location: Batesville Indiana
Posts: 126
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Re: Post your cruising rpms @60mph
Quote:
I have 2 sets if gears, 3.08 and 4.56. Everyone says no to 4.56 but my rpms will be at 2100 at 60 and furthest I drive the truck is like 45 miles and the speed limits are 55 around here. Posted via Mobile Device |
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#12 |
Registered User
Join Date: Sep 2012
Location: TX
Posts: 1,014
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Re: Post your cruising rpms @60mph
At 65mph I'm only doing 1400 RPM so at 80:
87 TBI 5.7L 2.73's 700R4 .7 final drive gear 80mph@1800 RPM 17mpg Highway 14 city I used to think something was wrong with my RPM gauge. Last edited by Skunksmash; 08-30-2013 at 03:53 PM. |
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#13 | |
Registered User
Join Date: Feb 2012
Location: Big Valley. Alberta
Posts: 674
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Re: Post your cruising rpms @60mph
Quote:
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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#14 | |
Registered User
Join Date: Nov 2008
Location: Gwinnett GA
Posts: 1,803
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Re: Post your cruising rpms @60mph
Quote:
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1982 K10 SWB 1987 V20 - Sold - Doh! |
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#15 |
Registered User
Join Date: Nov 2008
Location: Gwinnett GA
Posts: 1,803
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Re: Post your cruising rpms @60mph
My father had an 87 short bed 2WD, 4 speed manual with OD. He loved it.
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1982 K10 SWB 1987 V20 - Sold - Doh! |
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#16 |
Registered User
Join Date: May 2012
Location: Colo Springs, CO
Posts: 870
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Re: Post your cruising rpms @60mph
Just tested out this morning:
60 MPH 1,600 RPM's 350/700r4 4.10 gears 35" Tires 70 MPH 1,900 RPM's
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- Jeff 89' K5 Blazer, 2.5" lift, 35" tires ![]() 04' GMC Yukon XL, 3/4 ton, 8.1L |
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#17 |
Account Suspended
![]() Join Date: Mar 2013
Location: lumberton tx
Posts: 575
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Re: Post your cruising rpms @60mph
60 mph
350 with vortec heads 4L80e 4.10 2000 rpm Posted via Mobile Device |
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#18 |
Registered User
Join Date: Feb 2013
Location: Aubrey, TX
Posts: 308
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Re: Post your cruising rpms @60mph
Ls1, 4l60, 3.73 with a 29" tire I'm around 1800 ish at 60. Cruising at 75 I was averaging 19.5...
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#19 |
Registered User
Join Date: Dec 2012
Location: Batesville Indiana
Posts: 126
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Re: Post your cruising rpms @60mph
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#20 |
Registered User
Join Date: Sep 2012
Location: TX
Posts: 1,014
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Re: Post your cruising rpms @60mph
How much would you say that your conversion cost you, in the end? I'm trying to gather up data on what I should pay for my 5.3 swap next year.
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#21 | ||
Registered User
Join Date: Feb 2013
Location: Aubrey, TX
Posts: 308
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Re: Post your cruising rpms @60mph
Quote:
Quote:
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#22 | |
Registered User
Join Date: Sep 2012
Location: TX
Posts: 1,014
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Re: Post your cruising rpms @60mph
Quote:
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#23 | |
Registered User
Join Date: Feb 2013
Location: Aubrey, TX
Posts: 308
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Re: Post your cruising rpms @60mph
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#24 |
Registered User
Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
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Re: Post your cruising rpms @60mph
79
350 quadrajet All stock 4.10's 35x12.50's 10 city 13 highway @ 2500 rpm Would get better if i'd keep my foot out of it lol Posted via Mobile Device
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When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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#25 |
Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,178
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Re: Post your cruising rpms @60mph
Sorry to be joining so late, but I've been away on business and haven't been driving the truck.
Looks like about 1900 rpm; 4.3L V6, MY6 manual overdrive trans (.73 ratio), 3.73 rear axle, P235/75R15 tires. K
__________________
Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
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