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mbz

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mbz last won the day on April 21 2019

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About mbz

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  1. let’s take this to the PM. Sent from my iPhone using Tapatalk
  2. I just sent you a PM with a referral for a very, very good Datsun mechanic in Torrance. Sent from my iPhone using Tapatalk
  3. Try these guys, they have a pretty deep inventory of obscure parts.... https://jdm-car-parts.com If you can’t find on a website search give them a call. Sent from my iPhone using Tapatalk
  4. I concur with rcb, your cat could be a concern. Do the FSM tune up (if anything, tune it to run a bit leaner), and be sure to drive it on the freeway (65 mph) for about 30 minutes to get the cat warmed up... then head straight in for testing. Cats can lose efficacy over time, that can be expedited by using engine oils with high levels of ZDDP. The good thing is, CA emissions standards are a bit lower for these older cars. Good luck![emoji256] Sent from my iPhone using Tapatalk
  5. Surprisingly, it PASSED! And well under spec in most metrics! See pic for test results. I’m interested in hearing interpretations of these results and what I should be looking at to address any issues. Specifically, it may be running a bit lean (which is ironic because last year I had a severe running rich problem). Going for a “Victory Lap” drive thru the canyons now.
  6. Hi Zed, Yes I'm the guy that you harassed last year on my (very long, too long) thread about a rough idle/running rich Z car. After my issue was resolved by a more helpful and experienced member of the group, you got upset at a funny picture I posted about "Zed's Haterade" - so I took it down because it seemed like your feelings got hurt. Regarding the ignore user feature, I already have your comments blocked and it works well. In this case, you jumped on my thread and wrote a comment about Amsoil related to a pyramid marketing scheme. Off topic and irrelevant in regards to the oil's
  7. Full disclosure; I am not in anyway affiliated with AMSOIL, nor am I a reseller or distributor, nor do I stand to profit from this in any way, shape or form. I am just looking for the best oil that will treat my old engine well and I want to share what I’ve found in my research with the group, in the event that anyone else is looking for information about motor oil for their vehicle. Hopefully someone will find this information helpful when considering what oil to use in their Z car. Much of the consideration and research was in regards to protection for a 45 year old, original engin
  8. Yeah, I don’t know about how they distribute or sell their product. I just ordered direct from their website and it arrived next day, free shipping, from Las Vegas. They’re probably using Super Logistics (Rakuten) for fulfillment. I’d be curious to see if someone from the South Eastern US orders from them, if it ships from Atlanta. Sent from my iPhone using Tapatalk
  9. Quick follow up, so far Amsoil has been performing well. Have done several 75+ mile drives since the oil change and no issues. Also, came across this head to head challenge between Royal Purple and Amsoil. It’s making me think I made the right decision switching to Amsoil. Sent from my iPhone using Tapatalk
  10. Quick follow up on this.... Upon further consideration and research, it seems that the general consensus regarding "safe" levels of ZDDP (zinc & phosphorus) is about 800-900 ppm. Apparently these levels will not reduce the efficacy of the catalytic converter. After speaking with the folks at AMSoil, they confirmed that the Z-Rod ZDDP levels are high enough to reduce the efficacy of the catalytic converter. I explained to them that my 76' 280z needs to be smogged every 2 years. AMSoil recommended their European Formula Improved 5W-40 Synthetic Oil, and said that several
  11. I’m thinking that Amsoil, Royal Purple, Mobil, Penzoil, Castrol, etc. have figured out the proper ZDDP formulation by now so that it does little if any damage to the cats when used as intended without other oils or additives. In 2 different vehicles I’ve been using Mobil 1 (14 year old car) and Castrol Edge (19 year old car) exclusively for the life of the vehicles. Both products have ZDDP formulas added to the oil, neither vehicle has ever failed emissions and have never had to replace Cats on either vehicle. “WHEN USED AS INTENDED WITHOUT OTHER OILS OR ADDITIVES” being the critical point h
  12. We have to have some fun to offset the high cost of living, excessive taxes, oppressive smog laws, etc. etc. [emoji23] Sent from my iPhone using Tapatalk
  13. Yeah, I kind of figure that since the Royal Purple that the PO has been using for years probably has already affected the Cat. That said, it costs less to replace the Cat than the engine, so I’m going to protect the engine. Sent from my iPhone using Tapatalk
  14. BTW.... had a really nice drive in the Z through Decker Canyon this morning. Decker Canyon Road Anyone familiar with the area knows that drive, and if you haven't driven it, you can take the 23 South from the 101 all the way to PCH.... LOTS OF TIGHT WINDING ROADS AND HAIRPIN SWITCHBACKS.?
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