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  1. J

    Gas mileage & gearing, again....

    True, that's just too much work though, and I don't have the extra space for an extra set of axles laying around. I'll just stick with my original housings, find a place to swap the gears, and switch to some 30 spline axles instead of the 28's. I'm not doing any hardcore wheeling, just some...
  2. J

    Gas mileage & gearing, again....

    The only bad part about that is I'm having to trust someones word that the axles are even good.
  3. J

    Gas mileage & gearing, again....

    That's the main reason I want to go with 4.10's, I'm not far from the hills and there's a ton of cool places by me to do some off-roading when I want and I'd rather have the gearing to pull me up hills and in some trails. The next thing I need to look into is some better axle shafts. I really...
  4. J

    1986 K10 5.7 missing @ idle

    Awesome, thanks man! I'll look today to see if it's there, it seems to run perfect since having it rebuilt the right way, it just has that off idle stumble when the ac is on. It's been brutally hot here lately, 100+ for the past week, so I'm not going to run the truck without the ac on! lol
  5. J

    Gas mileage & gearing, again....

    I'm thinking I may go with 4.10's, 1900-2000 rpm's at highway speeds shouldn't be bad. I'm wondering if Chevrolet really got the best mileage they could at 1600 rpm's at 65 mph, that seems like a pretty low rpm to me.
  6. J

    Gas mileage & gearing, again....

    Very good points, I may just do a small lift and stick with 32's. Do you guys think 3.73's would be low of gearing for the 32's? 1600 rpm's seems like a pretty low cruising rpm, what would be the perfect all around cruising rpm for mileage and power? I know the engine in stock form without...
  7. J

    1986 K10 5.7 missing @ idle

    No, it's the last year for the carb. The carb was supposedly rebuilt, but it wasn't done properly. I took it to a local guy who fully rebuilt it, added a new float, and rebushed the throttle shafts. Runs awesome now, but it falls on it's face a bit off idle with the A/C on. I have to look...
  8. J

    Introduction

    Thanks, guys! I'm loving the site for sure, lot's of helpful info.
  9. J

    Gas mileage & gearing, again....

    Ok, I'm sure this thread had been beat to death, but I have a few questions on which route to go with my truck. I have an '86 K10, 5.7, 700r4, 10k on the engine and it has an Elgin E923P cam, 3" flowmaster, MSD replacement distributor still connected to the factory ECM, but all stock otherwise...
  10. J

    1986 K10 5.7 missing @ idle

    Hey everyone, I'm looking for some advice on where to start with my new truck. I'm almost wishing I picked up a pre-smog truck, but it is what it is, and I need to at least fix what I have. I have an '86 K10 Silverado with a 5.7, and I'm having a missing issue at idle and it seems to be...
  11. J

    Introduction

    Hey everyone, just wanted to introduce myself. My name is Jason, I just recently purchased a 1986 Silverado K10 with a 5.7. I've always loved the 73-87 trucks since I was a kid, but just got around to getting one. Since I'm in California, have to smog this particular truck, and didn't do any...

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