What's the Best Synthetic Oil for Elise? - Page 2 - LotusTalk - The Lotus Cars Community
View Poll Results: What's the Best Synthetic Oil for Elise?
MOTUL 8100 X-cess 5W-40 21 5.53%
MOTUL 300 V Power 5W-40 23 6.05%
Red Line 'Street' 5W-40 29 7.63%
AMSOIL 'European Car Formula' 5W-40 40 10.53%
Mobil 1 ‘European Car Formula’ 0W-40 71 18.68%
Mobil 1 ‘Turbo Diesel Truck’ 5W-40 49 12.89%
Mobil Delvac 1 ‘Heavy Duty Diesel Engine Oil’ 5W-40 11 2.89%
Castrol Syntec 5W-40 or 5W-50 54 14.21%
Havoline Synthetic 5W-40 (It's avail. in your area) 32 8.42%
OTHER… 50 13.16%
Voters: 380. You may not vote on this poll

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post #21 of 176 (permalink) Old 08-15-2006, 12:42 PM
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Quote:
Originally Posted by JeffYoung
The extra lines and remote cooler will cause a pressure drop. This may be why Lotus recommends the 5W40 over the 0W40.
You'll have to explain your reasoning there. At low temps the 0W40, being lower viscosity, will experience less pressure drop. Since the oil thermostat only opens when the oil is hot, both oils will be about 40W and experience about the same pressure drop. Sounds like a wash.

Francis
2006 Chrome Orange Elise: LSD/TC, Nitron SAs with 425/650 springs, BWR 7/8" ("Hardcore") Front Bar, Eliseparts bumpsteer kit, VF Stage 2, 2bular Header + Sport Cat + 8x24 GT3 Muffler, ECU Tune by Jermaine, Smaay's fuel rail, ACT XT clutch, Saikou Michi dual catch can, Moroso pan, Manly's mount inserts & FF Engine Damper
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post #22 of 176 (permalink) Old 08-15-2006, 07:30 PM
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no surprise that Mobil 1 tops this list; it's the most readily available and best marketed synthetic.

I voted Amsoil since that's what I'm putting into my Elise. I'm sure most voted for whatever they have in their car.

It's Delux son, Delux. It's not that hard.

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post #23 of 176 (permalink) Old 08-16-2006, 07:17 AM
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Quote:
Originally Posted by raggedy1
I'm sure most voted for whatever they have in their car.
Possibly, but I voted Mobil 1 because of its availability and price. It's a great oil, especially for street use. I'd never use it on a car that sees track time as long as I could get Redline or Motul, but for an everyday driver, sure.
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post #24 of 176 (permalink) Old 08-16-2006, 07:25 AM
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Quote:
Originally Posted by raggedy1
no surprise that Mobil 1 tops this list; it's the most readily available and best marketed synthetic.

I voted Amsoil since that's what I'm putting into my Elise. I'm sure most voted for whatever they have in their car.
It only makes sense we would vote for what's in our cars. I chose Mobil 1 because of: availability, I like the 0W40 vs. 5W40, and it has approvals from several major manufacturers for use in their high-performance engines. Those manufacturers have guys who are paid to study oils for use in long term warranty situations, I doubt they give the approval lightly. Having said that, of course there are plenty of other oils that will work fine.

Francis
2006 Chrome Orange Elise: LSD/TC, Nitron SAs with 425/650 springs, BWR 7/8" ("Hardcore") Front Bar, Eliseparts bumpsteer kit, VF Stage 2, 2bular Header + Sport Cat + 8x24 GT3 Muffler, ECU Tune by Jermaine, Smaay's fuel rail, ACT XT clutch, Saikou Michi dual catch can, Moroso pan, Manly's mount inserts & FF Engine Damper
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post #25 of 176 (permalink) Old 08-16-2006, 08:49 AM
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my 1000 mile service paper says 6 Quarts of Texaco 5w40 synt... at $8.45 a quart

is there anything wrong here?
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post #26 of 176 (permalink) Old 08-16-2006, 08:59 AM
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Quote:
Originally Posted by bluejae
my 1000 mile service paper says 6 Quarts of Texaco 5w40 synt... at $8.45 a quart

is there anything wrong here?
Maybe they spilled a couple quarts? Unless you have the Moroso pan...

Francis
2006 Chrome Orange Elise: LSD/TC, Nitron SAs with 425/650 springs, BWR 7/8" ("Hardcore") Front Bar, Eliseparts bumpsteer kit, VF Stage 2, 2bular Header + Sport Cat + 8x24 GT3 Muffler, ECU Tune by Jermaine, Smaay's fuel rail, ACT XT clutch, Saikou Michi dual catch can, Moroso pan, Manly's mount inserts & FF Engine Damper
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post #27 of 176 (permalink) Old 08-16-2006, 09:49 AM
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Quote:
Originally Posted by bluejae
my 1000 mile service paper says 6 Quarts of Texaco 5w40 synt... at $8.45 a quart

is there anything wrong here?
It should only be 5 quarts - and the "Texaco" is Texaco Havoline 5W40 synthetic, so that part is okay. The price per quart is a little high though, but not really out of line for dealer prices...




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post #28 of 176 (permalink) Old 09-08-2006, 03:50 AM
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Quote:
Originally Posted by RacyTracy
My dealer (FVMC) used Castrol at my last oil change, but I have no idea what is best....and so therefor, did not vote.
Same here, I am not voting - at my first service at FVMC they used Castrol Syntec 5W40. I'm not sure if this is the best oil option and trying to figure out which oil option is best leaves me feeling like I've been doing this >

'06 Ardent Red Elise - black interior with LSS, Touring, HT, Starshield, Lotus Sport Clutch, Moroso Oil Pan, Ekological HIDs, Lotus Driving Lights, Stebel Horn, Bootie, Razo '06 Pedal mod,Snorkel Delete,Odyssey 680 with s111 bracket.
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post #29 of 176 (permalink) Old 09-08-2006, 04:12 AM
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Quote:
Originally Posted by goelise
Same here, I am not voting - at my first service at FVMC they used Castrol Syntec 5W40. I'm not sure if this is the best oil option and trying to figure out which oil option is best leaves me feeling like I've been doing this >
You may be overthinking this, IMHO any synthetic 5W40 (or 0W40 )will work fine.

Francis
2006 Chrome Orange Elise: LSD/TC, Nitron SAs with 425/650 springs, BWR 7/8" ("Hardcore") Front Bar, Eliseparts bumpsteer kit, VF Stage 2, 2bular Header + Sport Cat + 8x24 GT3 Muffler, ECU Tune by Jermaine, Smaay's fuel rail, ACT XT clutch, Saikou Michi dual catch can, Moroso pan, Manly's mount inserts & FF Engine Damper
2000 Black Integra Type R - DD: 231,000 miles!
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post #30 of 176 (permalink) Old 09-08-2006, 04:26 AM
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I've done my oil changes with Castrol 5W-40 pretty much because that's what HRM used at my 1000 mi. service.

I can't figure this out:
I got a "service supplement" from VAG a while back on the oils approved on the 502.00 for the 1.8 turbo engines. It lists 5W-40 with 9 brands of oil, but Mobil is specified at 0W-40.

New BMWs and Minis have the phrase "BMW (or Mini) recommends Castrol" moulded into the engine covers, but I was told that's basically due to the F1 sponsorship contract. Before that, BMWs had stickers that read "BMW recommends Mobil (like AMG and a few other cars have).
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post #31 of 176 (permalink) Old 09-08-2006, 05:58 AM
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I used 15-50 last year in my 1st ELise, and just changed to it again. We have hypothesized that high g cutoff issues MIGHT be related to an exposed oil sensor in the bottom of the pan. By going to 15-50 we might be getting less splosh of oil all heading to the other side of the pan (whatever hasn't been pumped up to the head). Overfilling by 1/2 a quart might have helped too.

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post #32 of 176 (permalink) Old 09-08-2006, 06:06 AM
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Quote:
Originally Posted by Surferjer
I used 15-50 last year in my 1st ELise, and just changed to it again. We have hypothesized that high g cutoff issues MIGHT be related to an exposed oil sensor in the bottom of the pan. By going to 15-50 we might be getting less splosh of oil all heading to the other side of the pan (whatever hasn't been pumped up to the head). Overfilling by 1/2 a quart might have helped too.
Jer: do you have the Moroso pan, or can you even use it in the Stock class?

Francis
2006 Chrome Orange Elise: LSD/TC, Nitron SAs with 425/650 springs, BWR 7/8" ("Hardcore") Front Bar, Eliseparts bumpsteer kit, VF Stage 2, 2bular Header + Sport Cat + 8x24 GT3 Muffler, ECU Tune by Jermaine, Smaay's fuel rail, ACT XT clutch, Saikou Michi dual catch can, Moroso pan, Manly's mount inserts & FF Engine Damper
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post #33 of 176 (permalink) Old 09-08-2006, 06:47 AM
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No and no. I would like to go to a baffled pan, but it's not allowed.

If I go to ASP next year (unlikely) I might add one.

Jer
2006 Elise
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post #34 of 176 (permalink) Old 09-09-2006, 01:34 AM
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It should be noted that the owner's manual does not REQUIRE the use of Havoline engine oil. Page 153 of the '06 manual states:

"...a fully synthetic 5W/40 oil such as Texaco Havoline Synthetic should be used."

The rest of the paragraph reads like a Texaco sales brochure! Importantly, the paragraph ends with:

"If Texaco/Havoline products are not available, an oil meeting the following specification should be used."

(Spec listed - 5W/40, API SL/CF, SJ/CF; ACEA A3)

I wouldn't be surprised if Texaco paid Lotus a fair amout of money to be named in the manual. However, what's most important is to use a synthetic oil of the proper quality and viscosity regardless of name brand.
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post #35 of 176 (permalink) Old 09-09-2006, 06:02 AM
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I voted Amsoil because oil analysis for my other cars show it is superior to the Mobil1 I have used most of my car-driving life. The euro formula 0w40 Mobil1 has oil analysis results that support some suppositions of high temperature shearing, check out the oil analysis forum at www.bobistheoilguy.com or my VW pages for oil analysis results .......
Valvoline 5w40 synthetic is readily available and others I know have been happy with it.

Bill
'11 Lotus Elise (Traded) , '05 Lotus Elise (Traded)

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post #36 of 176 (permalink) Old 09-09-2006, 06:33 AM
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I went to Walmart last weekend to get the Mobil 1 5-40 "truck" oil and it is now a 5-30, what gives? So I'm guessing you cannot get a 5-40 from Mobil 1 anymore? I went ahead and got 0-40 weight, hope this will be OK.

2009 Mini Cooper JCW - Dark Silver/Black - sport suspension/cold weather package
2008 997 GT3 - Carrara White/Black - PCCB's - 350 lbs of weight reduction

Past Lotus Cars: 2005 NFB Elise, 2007 CO Exige S, 2005 AR Elise, 2008 CO Exige S 240
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post #37 of 176 (permalink) Old 09-09-2006, 07:08 AM
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Quote:
Originally Posted by 05EliseNM
I went to Walmart last weekend to get the Mobil 1 5-40 "truck" oil and it is now a 5-30, what gives? So I'm guessing you cannot get a 5-40 from Mobil 1 anymore? I went ahead and got 0-40 weight, hope this will be OK.
Yes, you can still get it, but now the only 5-40 is called Turbo diesel Truck oil. It has all the ratings Lotus requires (and the same as the other Mobil 1 oils in similar weight).
I don't think Walmart carries it, but I found it at a local auto part store.

http://www.mobil1.com/USA-English/Mo...uck_5W-40.aspx


Mark
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post #38 of 176 (permalink) Old 09-09-2006, 11:54 AM
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The first number in the viscosity scale is denoted with a "w". This stands for "winter" not weight, meaning the oils viscosity at 32 deg. If you live in a cold climate, you should pay attention to this number closely. If you live in a warm climate, then the difference between 0 and 5 is undecernable. The second number is the oils viscosity at operating temperature, always go with the proper weight here.
The only proper way to tell which oil is best is through the American Petroleum Institute (API) tests called : TFOUT (D-4742) test which measures how long(when oxidized) the oil will resist breakdown, High Temp/High Shear (D-4583) test which measures under severe conditions the oils viscosity stability, NOACK Volitility (D-5800) test which measures how much evaporation loss takes place, A Total Base Number (D-2896) test which measures how well the oil controls acids, and (my personal favorite) a Four Ball Wear Test (D-4172) test which measures protection provided under pressure and sliding motion. There are a couple more tests but they relate to cold conditions and I am assuming the majority of us wont go 4 wheeling in an snow/ice storm.
I dont think the info comparing all oils is compiled in any one place, so one has to go to each manufacturer and do it yourself.
Here is some of my research:
1) Royal Purple has the highest TFOUT test numbers with ~1200 min.
BG Products is second with ~1000 min.
AMSOIL at about 500 min (they terminated their test at 500 min for some odd reason)
Mobil 1 at ~467 min
2) High Tem/High Shear winner was BG Products "High-Low 40"
Royal Purple
Amsoil
Mobil 1
3) Noack Volitility Test champ was BG Products "High-Low 40"
Royal Purple
Amsoil
Mobil 1
4) Total Base Number Winner Was Bg Products "High-Low 40"
Amsoil
Mobil 1
Royal Purple (I couldnt find results from this test)
5) 4 Ball Wear Test champ was BG's "High-Low 40"
Royal Purple
Amsoil
Mobil 1
** I can't seem to find Redlines info from these tests.
Now mind you, all of these manufacturers can change their formulation at any time and re-test.
So, just stick to the top 4 that you measure this way.
I know, probably TMI for you. Automotive chemicals and lubricants are my business so I could go on for days.....but I'll spare you.

Mark Darby
#33 ASP
06 Lotus Sport Elise #15/50
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Last edited by DARBY#33; 09-09-2006 at 06:40 PM.
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post #39 of 176 (permalink) Old 09-09-2006, 12:43 PM Thread Starter
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I saw somebody buying ROTELLA T 5W40 at my Wal-Mart. It was sold in gallon jugs, so I may start using that stuff from now on. It's cheap and I'm sure it's as good as Havoline. It will be A LOT cheaper than Redline.
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post #40 of 176 (permalink) Old 09-09-2006, 12:44 PM
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Quote:
Originally Posted by DARBY#33
The first number in the viscosity scale is denoted with a "w". This stands for "winter" not weight, meaning the oils viscosity at 32 deg. If you live in a cold climate, you should pay attention to this number closely. If you live in a warm climate, then the difference between 0 and 5 is undecernable. The second number is the oils viscosity at operating temperature, always go with the proper weight here.
The only proper way to tell which oil is best is through the American Petroleum Institute (API) tests called : TFOUT (D-4742) test which measures how long(when oxidized) the oil will resist breakdown, High Temp/High Shear (D-4583) test which measures under severe conditions the oils viscosity stability, NOACK Volitility (D-5800) test which measures how much evaporation loss takes place, A Total Base Number (D-2896) test which measures how well the oil controls acids, and (my personal favorite) a Four Ball Wear Test (D-4172) test which measures protection provided under pressure and sliding motion. There are a couple more tests but they relate to cold conditions and I am assuming the majority of us wont go 4 wheeling in an snow/ice storm.
I dont think the info comaring all oils is compiled in any one place, so one has to go to each manufacturer and do it yourself.
Here is some of my research:
1) Royal Purple has the highest TFOUT test numbers with ~1200 min.
BG Products is second with ~1000 min.
AMSOIL at about 500 min (they terminated their test at 500 min for some odd reason)
Mobil 1 at ~467 min
2) High Tem/High Shear winner was BG Products "High-Low 40"
Royal Purple
Amsoil
Mobil 1
3) Noack Volitility Test champ was BG Products "High-Low 40"
Royal Purple
Amsoil
Mobil 1
4) Total Base Number Winner Was Bg Products "High-Low 40"
Amsoil
Mobil 1
Royal Purple (I couldnt find results from this test)
5) 4 Ball Wear Test champ was BG's "High-Low 40"
Royal Purple
Amsoil
Mobil 1
** I can't seem to find Redlines info from these tests.
Now mind you, all of these manufacturers can change their formulation at any time and re-test.
So, just stick to the top 4 that you measure this way.
I know, probably TMI for you. Automotive chemicals and lubricants are my business so I could go on for days.....but I'll spare you.
No, not too much information; thank you Mark. This board is such a great resource, there always seems to be at least one guy who is a SME on the area in question, or somebody with relevant experience to share.

I have never said this before, but "Thank you Randy and the other mods." Thank you for creating such a great forum for us Elise/Exige owners.

Is there a link to donate money for this site; if not, I think one should be added? At least give me a PayPal account that I can send a donation to.

Thanks again!

Stephen

2009 Mini Cooper JCW - Dark Silver/Black - sport suspension/cold weather package
2008 997 GT3 - Carrara White/Black - PCCB's - 350 lbs of weight reduction

Past Lotus Cars: 2005 NFB Elise, 2007 CO Exige S, 2005 AR Elise, 2008 CO Exige S 240
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