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#4716285 - 04/04/18 02:22 PM Smart ForTwo, Delvac 50?
mattwithcats Offline


Registered: 06/13/13
Posts: 1612
Loc: Virginia
Been looking for a suitable transmission fluid for my Smart for a while...

One weakness of these cars is the shifting,
an automated manual transmission that shifts terribly...

Specification is Bot-328, which is GL-4, 75W-90...

I am considering giving Mobil 1 Delvac 50 a try, itís a 90 weight gear oil...
https://www.mobil.com/English-US/Commerc...ission-Fluid-50

Opinions?
_________________________
2009 Smart Pure
Pennzoil Platinum Euro 0W-40, Purolator Synthetic PSL 14610, 45 mpg...
185/55R15 General HP tires, "H" speed rated, 44 psi (300 kpa)

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#4716314 - 04/04/18 02:58 PM Re: Smart ForTwo, Delvac 50? [Re: mattwithcats]
racin4ds Offline


Registered: 05/07/10
Posts: 810
Loc: Ocala, Florida
I'd go with some RedLine MTL or their 75W90, great lubes!


Edited by racin4ds (04/04/18 03:00 PM)
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#4716340 - 04/04/18 03:39 PM Re: Smart ForTwo, Delvac 50? [Re: mattwithcats]
mightymousetech Offline


Registered: 04/03/17
Posts: 1314
Loc: Ontario, Canada
Redline MT-90 (75W90) has the BOT-328 cert.

https://www.redlineoil.com/mt-90-75w90-gl-4-gear-oil
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Mighty Mouse Tech
Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL

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#4716386 - 04/04/18 04:41 PM Re: Smart ForTwo, Delvac 50? [Re: mattwithcats]
mattwithcats Offline


Registered: 06/13/13
Posts: 1612
Loc: Virginia
Delvac 50
Viscosity 40C 132 Cst
100C 17.5

Bot 328
40C 76
100C 15.09

Redline
40C 86.2
100C 15.6

Am I reading this right?
Looks like the Delvac is thicker?
_________________________
2009 Smart Pure
Pennzoil Platinum Euro 0W-40, Purolator Synthetic PSL 14610, 45 mpg...
185/55R15 General HP tires, "H" speed rated, 44 psi (300 kpa)

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#4716397 - 04/04/18 04:53 PM Re: Smart ForTwo, Delvac 50? [Re: mattwithcats]
Kamele0N Online   sick


Registered: 02/09/15
Posts: 1937
Loc: Slovenia
_________________________
2011 Hyundai i30 1.4 CVVT Shell Helix Ultra 5w40
1997 Toyota Landcruiser KZJ95 3.0 TD various 10w40

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#4716408 - 04/04/18 05:07 PM Re: Smart ForTwo, Delvac 50? [Re: mattwithcats]
rooflessVW Online   content


Registered: 12/24/11
Posts: 3651
Loc: North Carolina
Ravenol 75W-80 shifted great in my Golf, which also specified a GL-4 lube.
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#4716417 - 04/04/18 05:14 PM Re: Smart ForTwo, Delvac 50? [Re: mattwithcats]
Trav Offline


Registered: 11/20/06
Posts: 18217
Loc: MA, Mittelfranken.de
Redline has hard really lousy shifting qualities in some Euro units in cold weather, its the worst fluid I have used to date, it was so bad I had to drain it out after 2 cold mornings.
I used Pentosin MTF2 it is so much better in VW units that specs 75w-90 GL4, going on year 3 year round use with zero noise or issues, it shifts smooth at -20f and 100f.

You can get the Castrol cheap here but check the site as I never used it, the Castrol is available at MB dealers also but like Pentosin its pricey.

https://www.sharpoutlet.top/castrol-manu...62-p-11538.html
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#4716878 - 04/05/18 07:13 AM Re: Smart ForTwo, Delvac 50? [Re: mattwithcats]
zeng Offline


Registered: 09/01/15
Posts: 2093
Loc: Malaysia
Originally Posted By: mattwithcats
Delvac 50
Viscosity 40C 132 Cst
100C 17.5

Bot 328
40C 76
100C 15.09

Redline
40C 86.2
100C 15.6

Am I reading this right?
Looks like the Delvac is thicker?

Look at [email protected]*C, Delvac is thickest among the three.......
which is good for components protection and suitable for tropical climate like mine , but .....
shifting during cold could be notchy in your winter ambients though, IDK.
Redline is the safe bet for your ambients.

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#4717017 - 04/05/18 09:13 AM Re: Smart ForTwo, Delvac 50? [Re: mattwithcats]
MolaKule Offline


Registered: 06/05/02
Posts: 18943
Loc: Iowegia - USA
Pentosin MTF2 has a viscosity of 7.7 [email protected] about the same as most DexronIII/Mercon ATF fluids and not even close to a 75W90 MTF which averages about 14.5 [email protected]

If you are having shiftability problems, I would recommend the Redline MT-85 which is a 12.0cSt oil and has the same AW additive package as their 75W90.

The Mobil 1 Delvac 50 is going to be too thick in cold weather and is meant for HD (truck) service for API service MT-1 classifications.
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