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  1. Frontier4000

    Dex 3 or Dex 6...which is ok?

    I agree with frequent changes/shorter intervals. Being a dealer mechanic, I get stuff cheap. Modern stuff to older stuff compatibility is what bothers me. No sleep lost, but I do enjoy knowing things! :D
  2. Frontier4000

    Dex 3 or Dex 6...which is ok?

    The mileage is so terrible I don't bother keeping records. The vehicle has no catalytic converter, and the old poppet injectors. I plan on upgrading to a later model MPFI spider and replacing the Y-pipe when money allows.
  3. Frontier4000

    Dex 3 or Dex 6...which is ok?

    Thank you! Great info here! I did wonder quickly about old seals and such but dismissed it due to Dex6 being listed as backwards compatible. So all of this being said.....I have a few fluid options available. The Valvoline blue bottle Dex/Merc (non synthetic.) Someone...
  4. Frontier4000

    Dex 3 or Dex 6...which is ok?

    We will call my driving style "assertive" since I live in a city filled with moron drivers LOL! I don't beat the tar out of my rig, but I don't baby it either. I have read that the 4L60 isn't exactly picky, but I don't know much about them other than it's nickname 4L-Slippy.
  5. Frontier4000

    Dex 3 or Dex 6...which is ok?

    Z85- chassis package, increased capacity Z82- trailer provisions, special equipment, HD UY7- wiring harness, truck trailer, HD VR4- trailer hitch, weight distributing platform Yep...she's outfitted with the goods.
  6. Frontier4000

    Dex 3 or Dex 6...which is ok?

    Can't go wrong with Castrol. Looks like good stuff.
  7. Frontier4000

    Dex 3 or Dex 6...which is ok?

    There are intervals written in paint marker underhood, and my dealership gave me a carfax. It was private sale, and it did in fact have a hitch. I can't remember if it has the tow package...I'll have to run my VIN in my dealerships VIS and look at the vehicle build. I do have 10 quarts of...
  8. Frontier4000

    Dex 3 or Dex 6...which is ok?

    Morning BITOG's, my newest ride is a 2002 Chevy Blazer 4x4. It has 150k miles and runs pretty good. There's been a lot of maintenance done but no record of the trans fluid specifically. It doesn't look or smell burnt, but is discolored for sure and I'd like to change it. At work, the Service...
  9. Frontier4000

    Microgard Select??

    Just bought a new to me rig....2002 Chevy Blazer 4x4, 4.3 liter. Doing the usual research to see what everyone likes. I've read that Wix, my usual go to filterator, has changed a lot recently after becoming an M&H brand. Long story short, I also read that O'Reilly Microgard Select oil filters...
  10. Frontier4000

    O'Reilly 10W-40 High Mileage

    No. Truck is new to me, and I change oil every 3-4K in old skool engines. Used HM after I got it to see if the seal conditioners would help....they have a little bit, but the main oil burning seems to be blow-by. Main question was how good is the O'Really oil compared to the Valvoline HM....I...
  11. Frontier4000

    O'Reilly 10W-40 High Mileage

    I just got the truck 6 weeks ago....wanted to see if the seal conditioners would help. They have, a little bit. I'm not opposed to using "whatever." I even topped it off with our Delo 400 diesel oil from work one time.
  12. Frontier4000

    High zinc oils available in 2023

    Joe Gibbs Driven available at Summit Racing. I called Joe Gibbs direct and asked for a recommendation for my car and they were very helpful and knowledgeable.
  13. Frontier4000

    O'Reilly 10W-40 High Mileage

    My Chevy burns oil (oooh....shocking, I know....) I stopped at my favorite O'Really's today and got a quart of their 10W-40 HM to top it off. It was cheap. Just wondering if it's a decent oil compared to the Valvoline HM I have in it? The Chev uses 1 quart per 1000 miles....it'd be nice to save...
  14. Frontier4000

    350 TBI Oil Recommendations?

    Put that stuff in this weekend and now she's puffing on startup. Didn't do that with whatever was in it before :(
  15. Frontier4000

    350 TBI Oil Recommendations?

    How many miles does it have? I put in the 5W-40 Euro this weekend and now she puffs oil on startup. I'm sure it's valve seals, but it didn't puff or burn any when I bought it. Of course, I have no idea what oil was in it. It did have a GM filter though. Wondering if the 5W is a little thin on...
  16. Frontier4000

    350 TBI Oil Recommendations?

    Thanks. I'm giving this stuff a really hard look along with 10W-30 T5 Rotella.
  17. Frontier4000

    350 TBI Oil Recommendations?

    Curious about this....what makes it a great recommendation for my ol' American farm truck? I will say that I ran QSFS 5W-30 in my Frontier to replace my beloved Magnatec and that engine loved it. I have respect for the QS stuff now.
  18. Frontier4000

    350 TBI Oil Recommendations?

    What do you think about the Valvoline HM 150K stuff? My Meijer has it, and I heard it has extra moly. $25 bucks a jug.
  19. Frontier4000

    350 TBI Oil Recommendations?

    Trans shifts good and firm so far, and the fluid is clean. Timing set....no clue.
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