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Spurshot

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Spurshot last won the day on March 16 2017

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About Spurshot

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  • Birthday 10/08/1956

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  • Name
    Spurshot
  • Location
    SoCalif
  • Gender
    Male
  • Drives
    2014 GMC All Terrain SLT CC 4WD STD Bed
  • Interests
    Trucks, airplanes Camaros, horses, hunting, vintage shotguns, 1911s. Bird dogs.

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  1. Octane is just the anti-knock rating. It is not a rating of energy in the fuel.
  2. A lot of guys run 275/70R18 on stock wheels with a 2 to 2 1/2" level. They are about 34" O.D. I've ran 305/60R18 Cooper ST Maxx on my truck when stock height with stock wheels and later leveled about 2" on Fuel Anza 18x9. My recent change was to some factory take-offs with Mickey Thompson Baja ATZ P3 305/60R18. M/T Baja ATZ P3 is made by Cooper and is essentially the same tire as the Cooper ST Maxx. Cooper owns M/T and Cepek.
  3. A lot of guys run 275/70R18 on stock wheels with a 2 to 2 1/2" level. They are about 34" O.D. I've ran 305/60R18 Cooper ST Maxx on my truck when stock height with stock wheels and later leveled about 2" on Fuel Anza 18x9. No rubbing setting in the driveway. But when fully turned and hit a bump, I got some light rub. The swaybar was really close. I later replaced it with a Helwig, which gave more clearance as well as being much stiffer. Not all tires are the same exact size for their "labeled" size. Read their specs on the manufacturer sites. Coopers run a little small. Cooper 305/60R18 tires are 32.64 x 12.1 My recent change was to some factory take-offs with Mickey Thompson Baja ATZ P3 305/60R18. M/T Baja ATZ P3 is made by Cooper and is essentially the same tire as the Cooper ST Maxx. Cooper owns M/T and Cepek.
  4. Post your 2014+ wheel/tire set-up

    305/60R18 Mickey Thompson Baja ATZ P3 on stockers. Used to have same size Cooper ST Maxx on Fuel Anza. Old tires went 60,000 miles and the wheels looked ratty/pitted. So, I went with essentially the same tire and found some take-off wheels. Cooper owns M/T and Cepek tires and makes them based on the Cooper line, but with some small tread differences.
  5. The potential loss at altitude is based on "density altitude". This is primarily a calculation of barometric pressure and temperature. While humidity plays a role, it is much less influential. But, just so you know, high humidity means less oxygen. As altitude increases, the pressure decreases and therefore the amount of oxygen in a cubic foot of air decreases. As temperature increases, the amount of oxygen in a cubic foot of air decreases. As humidity increases, the amount of oxygen in a cubic foot of air decreases. Try this calculator to see the effect of temperature at a given altitude. http://www.pilotfriend.com/pilot_resources/density.htm There's a significant difference between 5000 ft at 40F vs. 5000 ft at 80F. A "density altitude" value is indicative of the performance you can expect at that pressure, altitude, temperature, and humidity. So, run this little test. Plug in 5000 ft, 40F, 29.92 (altimeter setting), 20F dewpoint. Read the "density altitude" (=4979 ft). Then change just the temperature to 80F (=7499 ft). This means your engine will loose power on the 80F day vs the 40F day, like it went up another 2520 ft in altitude. For an engine that adjusts fuel/air mixture as altitude increases, the loss is minimized (not minimal). Old carburetor engines lost a lot more than 3% per 1000 ft. Our EFI engines hang in there about the 3% loss/1000 ft.
  6. Trans fluid temp?

    http://transmissionrepairguy.com/transmission-temperature-gauge/
  7. It's roughly a 3% loss in horsepower per 1000 feet in altitude gain. 10,000 ft = 70%
  8. Oil pressure 6.2

    I'm guessing you're indicated pressures are accurate or close. I see in the 12 psi area at idle once the engine warms up and OAT is 80F or above. I have run Mobil 1 in the past few trucks since new. If you're concerned, take it to the dealer. But, I would bet dollars to beers they'll say "it's normal".
  9. I'm not an "off-roader", but I am a hunter and occasionally get into situations where I put it in 4wd. Once or twice a year I need 4Lo. Still, I wouldn't buy a truck without 4Lo.
  10. This weekend, I put on some new tires and wheels, and replaced the rear brake pads. 61,500 on the odometer. First set of rear pads. Fronts got replaced a couple months ago. The last set of Cooper ST Maxx tires got 60,000 miles. They still had legal tread by a bit , but I am getting ready for the hunting season. I put the same size (305/60R18), but bought the Mickey Thompson equivalent, Baja ATZ P3. Cooper owns Mickey Thompson and Dick Cepek. For many years Cooper made these brands under contract. Not all that long ago, Cooper bought them out. The tread is slightly different, but retains the same basic size cleats and voids and they were on sale for a couple hundred less than I could get the Coopers. I replaced the Fuel Anza D557 wheels I had chromed, but had since pitted, with some good factory square window aluminum 18x8.5 take-offs. Pix later.
  11. Escort 9500ix

    Is there a s/w update for the 9500ix to address falses from other car systems?
  12. As mentioned, grills have had large openings on many vehicles for as long as they've made vehicles. If you are driving roads where rocks are hitting your truck regularly, windshields are usually the first to go. The paint and front surfaces get dinged up pretty bad. I've had dents in the front edge of hoods on some of my trucks. When I was a kid in the 60s, my father bought a screen to put in front of the radiator to keep the bugs from plugging up the fins in the summer. Life is not perfect, and neither are these trucks or any other trucks for that matter. If your concern is for a particular trip, like on the AL-CAN or such, you probably want a "bra", screen, headlight covers, and a sheet of lexan covering the windshield. Or just don't take a truck you can't stand to beat up on such a trip. Those roads shred vehicles. Best to take a beater on them.
  13. Baja Kits UCA's

    forged steel
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