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02-17-2017, 12:34 PM
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#1 |
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Registered User
Join Date: Jun 2010
Location: Bobcaygeon,Ontario CANADA
Posts: 126
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lq9 crusing RPM
anyone know where the lq4/lq9 likes to rev on the highway? trying to figure out gearing options for my 86 K10.
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1986 Chevy Wrangler 4x4 305/700r4 6" lift 37x14.50x15 |
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02-17-2017, 01:54 PM
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#2 |
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Registered User
Join Date: Nov 2000
Location: Huntsville Ontario Canada
Posts: 4,052
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Re: lq9 crusing RPM
I am running 1850 rpm right now at 100kph empty it just ok its a little low for my driving routes. I would perfer 2100-2200.
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1968 Suburban numbers matching all original truck now equipped with 6.0/4L80 on Accuair http://67-72chevytrucks.com/vboard/s...d.php?t=625017 1967 C/20 6.0/4L80 Roofing Truck 1990 V2500 Suburban "Plow Truck" 2005 TAHOE DD |
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02-17-2017, 05:06 PM
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#3 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: lq9 crusing RPM
My lq4 rides about 2300 through a 3;73 at highway speed.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING  |
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02-17-2017, 06:04 PM
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#4 |
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Post Whore
  
Join Date: May 2015
Location: Alabama
Posts: 14,658
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Re: lq9 crusing RPM
My lq9 turn 2240 at 65mph with 4.10s and a 32in tire
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02-17-2017, 08:06 PM
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#5 |
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Registered User
Join Date: Jun 2010
Location: Bobcaygeon,Ontario CANADA
Posts: 126
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Re: lq9 crusing RPM
ok perfect, looks like 2200-2300 is the sweet spot. thanks guys. 72MARIO I'm not too far from you.
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1986 Chevy Wrangler 4x4 305/700r4 6" lift 37x14.50x15 |
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02-17-2017, 09:13 PM
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#6 |
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Registered User
Join Date: Nov 2000
Location: Huntsville Ontario Canada
Posts: 4,052
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Re: lq9 crusing RPM
I noticed you were not.too far. What truck are you swapping ?
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1968 Suburban numbers matching all original truck now equipped with 6.0/4L80 on Accuair http://67-72chevytrucks.com/vboard/s...d.php?t=625017 1967 C/20 6.0/4L80 Roofing Truck 1990 V2500 Suburban "Plow Truck" 2005 TAHOE DD |
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02-17-2017, 10:00 PM
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#7 |
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Registered User
Join Date: Jun 2010
Location: Bobcaygeon,Ontario CANADA
Posts: 126
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Re: lq9 crusing RPM
I have an 86 K10 that I am hoping to swap in a 6.0/4l65 this spring. I have a set of dana 60's for it that I'm going to build up. Going to build it as a driver but also want it fully capable if I want to venture off road
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1986 Chevy Wrangler 4x4 305/700r4 6" lift 37x14.50x15 Last edited by dieseltech; 02-17-2017 at 10:24 PM. |
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02-17-2017, 10:23 PM
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#8 | |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: lq9 crusing RPM
Quote:
32 spline NP208's are cheap & you can have TH400 adapter machined to fit a 4L80E. |
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02-18-2017, 12:20 PM
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#9 | |
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Registered User
Join Date: Jun 2010
Location: Bobcaygeon,Ontario CANADA
Posts: 126
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Re: lq9 crusing RPM
Quote:
I like the idea of the steeper first gear in the 4L65e. But, you may be on to something.
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1986 Chevy Wrangler 4x4 305/700r4 6" lift 37x14.50x15 |
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02-18-2017, 01:20 PM
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#10 |
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Registered User
Join Date: Nov 2000
Location: Huntsville Ontario Canada
Posts: 4,052
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Re: lq9 crusing RPM
Cline really knows his transmissions
I would take his advice seriously.
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1968 Suburban numbers matching all original truck now equipped with 6.0/4L80 on Accuair http://67-72chevytrucks.com/vboard/s...d.php?t=625017 1967 C/20 6.0/4L80 Roofing Truck 1990 V2500 Suburban "Plow Truck" 2005 TAHOE DD |
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02-18-2017, 03:06 PM
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#11 | |
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Registered User
Join Date: Jun 2010
Location: Bobcaygeon,Ontario CANADA
Posts: 126
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Quote:
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