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> I know another oil question, Amsoil vs VR1 vs Driven
mb911
post Apr 7 2024, 02:06 PM
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I use to run amsoil z rod and I liked it but very expensive

Currently running vr1 but I keep hearing about driven .

Driven is also expensive. Is it over thinking this for driving a few thousand miles a year and changing every season?
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blabla914
post Apr 7 2024, 02:12 PM
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yes I think so. you could add redline to the expensive group. I went VR1 on recommendation of some of my SCCA friends. Seems to work great and the 20-50 is locally available.


QUOTE(mb911 @ Apr 7 2024, 12:06 PM) *

I use to run amsoil z rod and I liked it but very expensive

Currently running vr1 but I keep hearing about driven .

Driven is also expensive. Is it over thinking this for driving a few thousand miles a year and changing every season?
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technicalninja
post Apr 7 2024, 02:40 PM
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Yes. For your use the VR1 is fine.
I'll be using Castrol GTX classic for the same reasons.
A post on here made me aware of it.

Shocker! I bought 2 5qt bottles last year for 25E. Now they are 43!

Over 250F for extended times and more than 5K I'd want synthetic.

The "euro" formula M1 have double the ZDDP as well...

It's what makes them "Euro".

This formula was concocted by BMW to allow for 17,000 mile oil change interval in the mid 2000s...

BMW got class actioned over denying warranty claims for maintenance work done elsewhere than the dealerships.
The court said, "Only way you can enforce that rule is to include the price of the preventative maintenance in the purchase price of the car."
Next year BMW announced, "free maintenance during warranty period".
The new warranty schedules had 17K oil change intervals. They only HAVE to do two!

Total BS IMO but modern BMWs use high ZDDP oils and don't seem to have hideous catalytic converter problems...

I commonly use M1 euro trash in the place of specific old school high ZDDP stuff.

I buy the 5 qt jugs when I can hit them below 30...
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nditiz1
post Apr 7 2024, 03:05 PM
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Per Jake raby driven was made specifically for the T4 engine.

I go with whatever is the cheapest, VR1 or Castrol. If I can get driven cheaper I'll give it a go.
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technicalninja
post Apr 7 2024, 03:07 PM
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I do have a suggestion...

Have a Blackstone oil analysis done at the time of your next oil change.

https://www.blackstone-labs.com/

A buddy of mine became an Amsoil dealer and spent 1k with Blackstone verifying if Amsoil was worth it.

He did normal GTX is three different cars (4 tests each)
Then 4 more tests with Amsoil on each car.

Amsoil is worth it.
In all of Amsoil's internal testing that they publish Mobil1 was second or third.
Mobil1 is less than 50% of the cost of Amsoil...

The results were very interesting to read and Blackstone themselves advised certain metals were actually normal to see out of XXX engine.

Blackstone labs impressed me!

You're most likely going to find out you are throwing away perfectly good oil...
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mb911
post Apr 7 2024, 03:54 PM
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I change the oil in my car just on a yearly basis from a moisture stand point thinking just stick with VR1 with maybe a zddp additive pack this time just to be safe
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Big Len
post Apr 7 2024, 05:27 PM
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Cheap on Amazon -
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emerygt350
post Apr 7 2024, 06:21 PM
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Mobil 1 euro at Walmart 28 dollars. 5.60 a quart. Vr1 may be worth a 1.20 more. I kinda like Mobil 1 but for no good reason.
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nditiz1
post Apr 7 2024, 06:54 PM
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Damn I just bought Castrol in Feb off Amazon for 25 each, now they are 43. A pack of 6 qt is 40 which makes no sense.
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mb911
post Apr 7 2024, 07:06 PM
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QUOTE(nditiz1 @ Apr 7 2024, 04:54 PM) *

Damn I just bought Castrol in Feb off Amazon for 25 each, now they are 43. A pack of 6 qt is 40 which makes no sense.



Tell me more about the castrol
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bkrantz
post Apr 7 2024, 07:09 PM
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QUOTE(mb911 @ Apr 7 2024, 02:06 PM) *

I use to run amsoil z rod and I liked it but very expensive

Currently running vr1 but I keep hearing about driven .

Driven is also expensive. Is it over thinking this for driving a few thousand miles a year and changing every season?



I suspect we are talking about 99.8 vs 99.9% oil fit with these.
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nditiz1
post Apr 7 2024, 07:23 PM
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Castrol classic

My tests have shown no change in running temps - so same as vr1. It also has zinc additive just like vr1. It was $20 for a 5 qt jug at Walmart when it came out, but it went up to 50. Amazon was the next best at 25, but now looks like up to 40/43.

I had been running vr1 until the Castrol came out about 2 years ago.
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mb911
post Jul 16 2024, 08:05 AM
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Just an FYI castrol GT.X classic is on sale for Prime days on Amazon for $18 for 5 QTs
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mlindner
post Jul 16 2024, 09:02 AM
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Hi Ben, I did my brake-in with VR1. After three changes, Lee at Accumoto/Kellymoss told me to just go to Penn Grade 20-50. Now, four years in with 4 to 6,000 miles a summer engine is very happy with great oil analysts numbers. In my 98 993 I did use Gibbs Driven oil. Best, Mark
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technicalninja
post Jul 16 2024, 09:09 AM
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Thanks for the heads up Ben!

I ordered 5...

$18/5 is the cheapest oil I've bought in years
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IronHillRestorations
post Jul 16 2024, 03:21 PM
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As far as oil analysis Speediadnostix is a better option
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Geezer914
post Jul 16 2024, 03:22 PM
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Anyone experience different oil pressure switching between brands?
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fixer34
post Jul 16 2024, 04:53 PM
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And to stir the pot a little more.. (IMG:style_emoticons/default/stirthepot.gif)

I have a 5qt jug of VR1 that I've used about a quart from. Just ordered a 5qt Castrol Classic. Any issue with mixing them on the next -6 oil change?
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bkrantz
post Jul 16 2024, 07:02 PM
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QUOTE(fixer34 @ Jul 16 2024, 04:53 PM) *

And to stir the pot a little more.. (IMG:style_emoticons/default/stirthepot.gif)

I have a 5qt jug of VR1 that I've used about a quart from. Just ordered a 5qt Castrol Classic. Any issue with mixing them on the next -6 oil change?


(IMG:style_emoticons/default/popcorn[1].gif)
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mb911
post Jul 16 2024, 07:13 PM
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QUOTE(bkrantz @ Jul 16 2024, 05:02 PM) *

QUOTE(fixer34 @ Jul 16 2024, 04:53 PM) *

And to stir the pot a little more.. (IMG:style_emoticons/default/stirthepot.gif)

I have a 5qt jug of VR1 that I've used about a quart from. Just ordered a 5qt Castrol Classic. Any issue with mixing them on the next -6 oil change?


(IMG:style_emoticons/default/popcorn[1].gif)



No issue at all
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