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33EJB Avatar
33EJB Tim C
LS, Eastern Ontario, Canada   CAN
1969 MG MGB
This is my favourite oil:

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33EJB Avatar
33EJB Tim C
LS, Eastern Ontario, Canada   CAN
1969 MG MGB
... or this, with pizza...


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tvrgeek Avatar
tvrgeek Silver Member Scott S
Bowie, Maryland, USA   USA
1965 MG MGB
1974 MG MGB GT
What is contradictory? GTX is about a mid pack earth oil and better than a lot of expensive stuff, but the newer spec oils as required in the VW are far more advanced.
It is the additives that count, not the viscosity. Besides, I can go to the store and buy the new spec but I can't buy Amzoil Z-rod or Redline off the shelf.

In reply to # 3534307 by dipstick "I would not use anything less than current GTX, though I switched this time to the same 0-40 eur spec as my GTI."

A very contradictory statement.confused smiley



Cogito ergo sum periculoso

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ohlord Avatar
ohlord Gold Member Rob C
North of Seattle, N.W., USA   USA
1957 Land Rover Series I "EYEYIYI"
1971 MG MGB
1971 MG MGB "Bedouin 2"
And the circle jerk continueseye popping smiley



"I'm a long way gone down this wild road I'm on
It's gonna take me where I'm bound
It's a long way around"



"These are the days that must happen to you"

RD2 Radar/ Electronic Warfare Technician
Vietnam 1969-1972

fast-MG.com Avatar
fast-MG.com Gold Member Dave Headley
Cortez, 4 corners, Colorado, USA   USA
And you've already come in 1st and 3rd!moon


Member Services:
Dave Headley, dba FAB-TEK offers full service race car parts and preperation for MGB & MGA race cars, SCCA and Vintage. Dave is a mechanical engineer and has raced MGBs since 1963.
David67MGBGT Avatar
David67MGBGT David N
Harpers Ferry, West Virginia, USA   USA
I've been recording my research on oils with the higher zinc levels.
Mobil 1 15W/50, 1300ppm zinc
Mobil 1 High Mileage 10W/40, 1100ppm zinc
Mobil 1 20W/50 VTwin, 1750ppm zinc
Valvoline VR1 20W/50, 1200 ppm Zinc content in the regular conventional VR1
Castrol GTX high mileage green bottle 20W/50
Brad Penn 20W/50
Amsoil hot rod 20W/50

ohlord Avatar
ohlord Gold Member Rob C
North of Seattle, N.W., USA   USA
1957 Land Rover Series I "EYEYIYI"
1971 MG MGB
1971 MG MGB "Bedouin 2"
Again you don't need higher levels.

You only think you want higher levels
A myth you've foolishly bought into.



"I'm a long way gone down this wild road I'm on
It's gonna take me where I'm bound
It's a long way around"



"These are the days that must happen to you"

RD2 Radar/ Electronic Warfare Technician
Vietnam 1969-1972

Ex-Calif Avatar
Ex-Calif Gold Member Dan D
Cincinnati, Ohio, USA   USA
1968 MG MGB GT "Bart - Yellow And Naughty"
1977 MG MGB "Red Betty"
2012 Jeep Liberty "Tank"
2014 Hyundai Accent "Skate"
Guys - Can we talk points vs. breakerless for a while?

I just bought a new popcorn popper and need to try it out...

BTW - The poll numbers are pretty clear. Almost 80% run GTX or VR1. Anything else and you are an outlier.

If one could quantify the "extra" life of some whizbag oil it might look like this. Assume $5,000 engine build. Normal oil 100k. Whizbang oil 120k (generous assumption) - I've never seen data that whizbang oil is gonna increase life in a farm engine BTW...

5,000 / 100,000 = $0.05 per mile
5,000 / 120,000 = $0.04 per mile

You can noodle the variables and do the math but assuming 3,000 mile oil changes and a premium for the whizbang oil you are looking at maybe $5 a month in savings - 12,000 miles a year - 10 year savings.

Variability on engine build and driving style is likely a way bigger factor than the oil...

And before someone says that synthetics can go longer (fewer oil changes) noodle this - One of the functions of oil is to take combustion by products to the filter. By products are a result of clearances so you have the same amount of debris to take to the filter. Increasing oil change interval (unlike modern "tight" cars) is false hope.



The goal - Reliable summer driver interspersed with mechanical tinkering...
Motto - "Driving fifty in the twisties..."
On Mods - It's your damn car - Do what you want. Haters gonna hate...
On SUVs - Drive your B like a soccer mom is texting her friends about how she wants to kill you...
Red Betty - http://www.mgexp.com/registry/GHN5UH418165
Bart - http://www.mgexp.com/registry/GHD4U146898G



Edited 1 time(s). Last edit at 2017-06-18 07:31 AM by Ex-Calif.

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33EJB Avatar
33EJB Tim C
LS, Eastern Ontario, Canada   CAN
1969 MG MGB
In reply to # 3534654 by Ex-Calif Guys - Can we talk points vs. breakerless for a while?

I just bought a new popcorn popper and need to try it out...

... and tires - - what about "best tires"?

David67MGBGT Avatar
David67MGBGT David N
Harpers Ferry, West Virginia, USA   USA
So I guess we should just run mineral oil and forget the so called standards? Is part of the myth that manufacturers suggest running a specific weights oil in their cars and they have reduced zinc levels? Its all marketing then, API is a shell corporation? Its not a myth that the industry removed the zinc because of the effect on the catalyst converter which most of us don't have. I'll stick to 20W/50, maybe another 'myth'? Your a good member of the forum and I do read your posting for help. But, calling a member foolish is not appropriate Rob and promotes unacceptable behavior clearly outlined by the forum guidelines. I've never addressed a member in a derogatory manner. Oil today is not what our cars were engineered to run. We can only try to match it as best we can.



In reply to # 3534558 by ohlord Again you don't need higher levels.

You only think you want higher levels
A myth you've foolishly bought into.

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Rod H. Avatar
Amity, Oregon, USA   USA
1964 MG MGB
1968 MG MGB GT
I'll just use what I use and keep my mouth shut. winking smiley



I can't understand why people are frightened of new ideas. I'm frightened of the old ones. John Cage

'63 MGB
'68 MGBGT
'80 VW Vanagon Kombi
'09 Mazda 3 with 5 speed manual




Edited 1 time(s). Last edit at 2017-06-19 10:19 PM by Rod H..

ohlord Avatar
ohlord Gold Member Rob C
North of Seattle, N.W., USA   USA
1957 Land Rover Series I "EYEYIYI"
1971 MG MGB
1971 MG MGB "Bedouin 2"
Increased levels zddp with an mgb flat tappet cam is a foolish myth.
You don't need 1300 or 1500 or 2250ppm
Use 20W50 . Anyplace I mentioned abandoning the use of 20W50 conventional oil?
Don't be concerned with Zddp levels after a proper break in with break in oil

" You've " was used as a generalization





In reply to # 3534855 by David67MGBGT So I guess we should just run mineral oil and forget the so called standards? Is part of the myth that manufacturers suggest running a specific weights oil in their cars and they have reduced zinc levels? Its all marketing then, API is a shell corporation? Its not a myth that the industry removed the zinc because of the effect on the catalyst converter which most of us don't have. I'll stick to 20W/50, maybe another 'myth'? Your a good member of the forum and I do read your posting for help. But, calling a member foolish is not appropriate Rob and promotes unacceptable behavior clearly outlined by the forum guidelines. I've never addressed a member in a derogatory manner. Oil today is not what our cars were engineered to run. We can only try to match it as best we can.



In reply to # 3534558 by ohlord Again you don't need higher levels.

You only think you want higher levels
A myth you've foolishly bought into.



"I'm a long way gone down this wild road I'm on
It's gonna take me where I'm bound
It's a long way around"



"These are the days that must happen to you"

RD2 Radar/ Electronic Warfare Technician
Vietnam 1969-1972

i AMS 4u Avatar
i AMS 4u alfred dawes
Grimesland, North Carolina, USA   USA
1968 MG MGB GT "My First MGB-GT"
1969 MG MGB GT "My Second GT"
1969 MG MGC
1970 MG MGB GT "My Fourth MGB-GT"    & more
And the beat goes on, and the beat goes on.......... l

GlennMGB Avatar
GlennMGB Glenn G
Fort Worth, Texas, USA   USA
1967 MG MGB GT "Rose"
Quote: I've been recording my research on oils with the higher zinc levels.
Mobil 1 15W/50, 1300ppm zinc
Mobil 1 High Mileage 10W/40, 1100ppm zinc
Mobil 1 20W/50 VTwin, 1750ppm zinc

Would you please provide the source for these figures?

David67MGBGT Avatar
David67MGBGT David N
Harpers Ferry, West Virginia, USA   USA
Straight from Mobil 1 download spec sheet 2016. Why people think zinc is not important Mobil obviously thinks it important not to drop it out of the formulations. Again, this is not my opinion, its fact. There's something to having zinc in the oil.

https://www.google.com/url?sa=t&source=web&rct=j&url=https://mobiloil.com/~/media/amer/us/pvl/files/pdfs/mobil-1-oil-product-specs-guide.pdf&ved=0ahUKEwj_hePer8rUAhWCeT4KHbp0ATsQFggdMAA&usg=AFQjCNFHpH5u7sJOUmoaHS3IF6K7HUgi3g&sig2=nID2BcV3XwSvdT5BlxarUQ


In reply to # 3535493 by GlennMGB
Quote: I've been recording my research on oils with the higher zinc levels.
Mobil 1 15W/50, 1300ppm zinc
Mobil 1 High Mileage 10W/40, 1100ppm zinc
Mobil 1 20W/50 VTwin, 1750ppm zinc

Would you please provide the source for these figures?



Edited 1 time(s). Last edit at 2017-06-19 11:56 AM by David67MGBGT.


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