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DrtyBrty
Picture of DrtyBrty
Posted
What is everyone spinning for RPMS?

Around 70 mph I am spinning 2200-2300 rpms. I have 265/70/16 tires and 3:73 gears. (6.0 1500hd). Anyone running the same setup with 245's or 285's if so what are you turning for rpms?

This message has been edited. Last edited by: DrtyBrty,


03 QS Arrival Blue, 6.0, Leather, Heated Seats, True Duals.SOLD and regretting it. Project car 67 Camaro.
 
Posts: 145 | Location: St. Paul | Registered: October 26, 2005Reply With QuoteEdit or Delete MessageReport This Post
05Quadrasteer
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On stock tires 265/70/17 and my current tires of 285/50/20 I am running 2,000 rpm's at 70mph.

Have a nice day.

Bill




2005 Silverado 1500 LS 4x4 with QS
Wester's tune 89/93
5.3L engine
180 Thermostat
Matched fuel injectors from Westers
Airaid intake
Dynatech Supermaxx headers and cats
Corsa cat-back side exit dual exhaust
3.73 rear end gear
 
Posts: 86 | Location: Virginia | Registered: October 21, 2005Reply With QuoteEdit or Delete MessageReport This Post
Chevy12
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At 60mph with 285/75/16 3:73 gear 6.0 1500hd 1800rpm


2005 1500HD CREWCAB 285/75/16 Mickey t's MTZ,Classic Lock Wheels,Magnaflow Catback,KN FIPK,Maxx cam leveling torsion keys,Ecm program,Bushwhacker Pocket Flares,BedRug,ARE cap
 
Posts: 5 | Location: Saginaw,Mi | Registered: March 06, 2007Reply With QuoteEdit or Delete MessageReport This Post
Ken
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Stock 265/75/16 tires, 6.0 lt engine, 4.10 gear, 2200-2300 rpm @ 70 mph.


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2005 Yukon-XL 2500
Quadrasteer 4WD
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Posts: 127 | Location: Toronto | Registered: November 01, 2005Reply With QuoteEdit or Delete MessageReport This Post
DrtyBrty
Picture of DrtyBrty
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Ken- The code for your 4.10 gears is gt5 correct?

I have the build sheet for my truck and it said 3.73. With my rpms being as they are I was thinking that my gears could have been swapped for 4.10s.


03 QS Arrival Blue, 6.0, Leather, Heated Seats, True Duals.SOLD and regretting it. Project car 67 Camaro.
 
Posts: 145 | Location: St. Paul | Registered: October 26, 2005Reply With QuoteEdit or Delete MessageReport This Post
Ken
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Yes, I have GT5, 4.10 rear axle ratio.
GT4 is 3.73 and GU6 is 3.42.


===============
2005 Yukon-XL 2500
Quadrasteer 4WD
===============
 
Posts: 127 | Location: Toronto | Registered: November 01, 2005Reply With QuoteEdit or Delete MessageReport This Post
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