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11-14-2004, 12:36 PM
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#26 |
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Got Light Emitting Diode?
Join Date: Apr 2004
Location: Newberg, OR
Posts: 2,485
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well if i drive like normal i get 9 mpg but i have gotten 12. SB406 edel RPM Performer, edel 750 cfm, crane cam(nothing to radical) headers, MSD 6AL, MSD dizzy, flat tops, th350, 3:73 rear
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1968 1/2 ton 2wd lwb 6 lug disc and bags up front. Next c notch and rear bags '02 Chevy Silverado LT ext cab short bed 2WD 5/7 drop on 22's  (the family car)1993 Cherokee work ride/weekend wheeler |
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11-14-2004, 01:09 PM
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#27 |
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Registered User
Join Date: May 2004
Location: Chandler, AZ
Posts: 519
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I'm getting about 12 mpg. That's with some modest headers, an Edelbrock Performer intake & 1406 carb. Switched to synthetic oil and added a K&N air filter- no effect on milage. The 700r4 was the biggest help. I can get almost 14 if I avoid rush hour and keep a light foot. Something I've been meaning to ask- What (if any) timing would be the best for mileage? Appreciate any thoughts on that.
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 69 C-10 LWB, 350, 700r4, 3.73 posi-traction, front disc brakes. Built for the desert- She can take the heat! Vivat Rex Chevus! 
Last edited by Zonaman; 11-14-2004 at 01:11 PM. |
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11-14-2004, 01:10 PM
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#28 |
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Active Member
 Join Date: Jun 2002
Location: L.A. Lower Alabama
Posts: 453
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350, 3spd, Holley spread bore, HEI and light foot average about 12-15. Did get 25mpg one time, filled up a the top of the hill and filled up again at the bottom. LOL
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1969 C10 350 3spd 1995 GMC 3500 XC 350 dually When Thomas Edison worked late into the night on the electric light, he had to do it by gas lamp or candle. I'm sure it made the work seem that much more urgent. George Carlin |
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11-15-2004, 10:29 AM
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#29 |
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Registered User
Join Date: Jul 2003
Location: Gilbert, AZ
Posts: 70
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I average 12 and got as much as 14 in my 72 3/4 ton GMC in stock tirm. Its a daily driver for me so I'm always watching the mpg.
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03 Tahoe LT 4x4 04 Corvette 99 Cadillac SLS 72 GMC 2500 04 Jeep Rubicon |
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