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02-21-2011, 04:41 PM
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#1 |
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Registered User
Join Date: Jan 2011
Location: California
Posts: 126
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6.0 4l80e fuel mileage?
I was wondering how much mpg I can expect? 68 c10 swb pickup. Stock 6.0 lq4 with 4l80e trans 3:73 gears. Thanks guys
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02-21-2011, 10:43 PM
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#2 |
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Registered User
 
Join Date: Jan 2007
Location: Central Coast California
Posts: 1,026
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Re: 6.0 4l80e fuel mileage?
My '71 4wd K5/Blazer with 4" lift, 35" MT tires, locked 4.11 gears, no top ...gets about 10.5 mpg. I've got a LQ9, 4l60E, NP205. I have a medium foot... I like to hear her take off!
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1972 K20 Suburban 5.7/700r4/NP205 Dana 44/H052 Sold  1972 C10 5.3L/4L60E 12bolt 5Lug - Sold 1971 K5 Blazer 6.0L LQ9 4L60E NP205 Dana 44/H052!!!  1970 K3500 1ton CrewCab 8.1L/Allison1000/NP205 Dana 60/14B!!!! - Sold 1984 K10 SWB 7.4L/4L80e/NP208 Corp 10/12 bolt Sold 1988 V30 CCLB 7.4L/TH400/NP205/Dana 60/Dana 70/3.73!!! (Sold) 2003 K2500HD 8.1/Allison1000/NP263
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02-22-2011, 12:16 AM
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#3 |
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Addicted to Rust
Join Date: Dec 2009
Location: Abbeville SC
Posts: 1,030
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Re: 6.0 4l80e fuel mileage?
Look for some posts by Shon Herron. He is getting 17 or better IIRC Jay
__________________
Current trucks: (48 GMC100 320 inliner) Gone (48 Suburban in pieces) Sold 87 GMC CCSB 5.3 4l60E Daily Driver ECTA National record holder XO/PP We never really grow up, we just learn how to act in public. |
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02-22-2011, 03:53 AM
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#4 |
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69' Chevy Stepside
Join Date: Mar 2008
Location: Anchorage, Ak
Posts: 526
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Re: 6.0 4l80e fuel mileage?
Well this isn't in a 67-72 but in my Silverado SS with full time AWD, LQ9, 4l65E and 4.10's I get about 13 MPG in the city and up to 17 on the highway so I would say you should get about the same if not even better because the SS weights almost 5,000 lbs where 67-72 are quite a bit lighter.
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-Matthew -69' Chevy Custom/10 Shortbed Stepside 2WD "Copperhead" - Restored, 6.0L LQ9 Built. L92 Heads and LS3 Intake with Comp Cam 223/231 .610/.617 112 LSA, 4L60E with Shift Kit and Circle-D 3200 Stall Converter ~Build Thread -1957 Chevy BelAir 2 Door Post Sedan, Full Frame off Restoration done myself - 6.0L with T56 six speed -1957 Chevy BelAir 2 Door Post Sedan - Nearly rust free AK car, Project in the waiting -2003' Chevy Silverado SS AWD 6.0L! - Daily Driver |
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02-22-2011, 04:23 AM
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#5 |
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Registered User
Join Date: Apr 2007
Location: Elk Grove, CA
Posts: 375
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Re: 6.0 4l80e fuel mileage?
My dad has an AWD Yukon and he gets about the same, maybe a little less, with a 5.3. 12 in town, 17 on freeway. My buddy on the other hand, had a short regular cab 2wd 04 sierra with a 4.8 and auto, and he would AVG. 19 mpg and I kid you not, he drove that damn thing like it was a racecar! Manually shifting the auto everywhere he went just so he could hear his exhaust (cutout) rev. I know it's a smaller engine but probably a comparable truck weight wise. He had 3.73's and 20's on 40 series tires.
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1964 C10 Shortened Shortbed Cammed LQ9 P&P 1967 C10 Trophy Truck BB 438 (soon to be worked on again) |
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