Another oil question - Ferrari Life
 
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post #1 of 20 Old 05-23-2009, 08:43 AM Thread Starter
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Another oil question

I thought I'd better get a couple of litres of oil in reserve for topping up the 308 just in case it burns a lot. The plate inside the engine bay says SINT 10W50. So I went to my local car accessories chainstore and they have every kind of oil imaginable except 10W50. I tried a couple of other stores and a couple of gas stations and no one stocked it. Surely it's not that difficult to get hold of? I don't want another grade of oil for topping up incase it doesn't mix properly. Can anyone recommend a decent quality brand that is available in the UK.

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post #2 of 20 Old 05-23-2009, 10:41 AM
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10W50 is a heavy oil.

I think I would get more contemporary and try 5W40.

There were not so many oil choices in the 70's and technology is showing that lighter and synthetic oils are actually better.
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post #3 of 20 Old 05-23-2009, 11:28 AM Thread Starter
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I haven't got a clue what's in it at the moment as it was serviced just before I collected it - I suppose I could always ask the dealer what they use.

It doesn't need any at present, but I need to know what to put in if I have to top it up.

Is it going to hurt it if I put a different type of oil in as a top up? I'm also guessing that I need to use fully synthetic and not semi synth?

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post #4 of 20 Old 05-23-2009, 11:57 AM
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If the current oil is non-synthetic use a non-synthetic addition.

If synthetic use a synthetic oil.

It's that easy.

No problem mixing but change to one oil weight and type next change.

I'd stay with 5W40.
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post #5 of 20 Old 05-23-2009, 12:15 PM Thread Starter
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Thanks for the advice Greg, I'm in no hurry to top up, I'll e-mail the dealer first and find out what they use. I've got gallons of Mobil and Castrol 5W40 in my garage as it's what I use in my other vehicles.

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post #6 of 20 Old 05-23-2009, 12:28 PM
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I'd use the Castrol over the Mobil any day.
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post #7 of 20 Old 05-23-2009, 12:59 PM Thread Starter
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Just checked in my garage, it's all Castrol, but have a mixture of 0W30, 5W30 and 5W40. Haven't got a clue what any of it meansI'll wait till the dealer e-mails me back after the weekend.

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post #8 of 20 Old 05-23-2009, 01:10 PM
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Most oils are now mixed to change viscosity with temperatures.

A 5W40 means when cold it has the equivalent value of a lightw eight oil = 5 but when hot protects as a heavy weight = 40.

Use the 5W40.
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post #9 of 20 Old 05-23-2009, 01:14 PM Thread Starter
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Thanks for the Oil lesson I will stick with 5W40

Archie
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post #10 of 20 Old 05-24-2009, 11:04 AM Thread Starter
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Ben Cartwright has just replied to my e-mail and said that they use 10W40 Shell Super Helix. So I will use 10W40.
I've noticed that most of the experts on here have a downer on Shell products. I've been putting Shell V-Power gas in the 308, but that's only because the Shell station is the nearest to my house.

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post #11 of 20 Old 05-24-2009, 12:17 PM
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Shell is a very poor oil. Period.

Stay away.

Use credible products.

If you can't get Redline use Castrol.
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post #12 of 20 Old 05-24-2009, 12:49 PM Thread Starter
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I don't think Redline is widely available here, but Castrol is stocked at all car part stores.

I've just been on the castrol website, and they recommend Castrol Edge Sport 10W60
http://www.castrol.com/castrol/ifram...tentId=7044829

Replaces Castrol Formula RS 10W-60

Race proven for highly stressed and competition engines, as well as modified older vehicles


Product Features
Delivers race proven power and performance
Provides strength in reserve at extremes of performance
Stays in grade
Product Benefits
The best protection for older modified vehicles
Allows you to tune engine to the maximum
Provides protection when running fast, hot or hard
Technical Specifications
ACEA A3/B3/B4
API SL/CF
Available in 1 litre and 4 litre packs

Edge Sport 10W-60

FERRARI




308 GTB, 308 GTS Quattrovalvole

P

1982 - 1985





Engine (P) Edge Sport 10W-60 (b) 10.0

Manual Transmission - (a) 4.0

Automatic Transmission -

Differential -

Coolant (50%) Antifreeze 18.0

Brake Fluid Response Super DOT 4

Power Steering TQ-D

Steering Box REFER TO MAIN DEALER

Wheel Bearings LM Grease



a. <12/2007: REFER TO MAIN DEALER. >12/2007 612 Scaglietti T.I. No.1597, 599 GTB Fiorano T.I.No. 1598: Magnatec 10W-40 A3/B3
b. In hot countries: 15W-50





Engine - Miles Max 6000
Engine - Km Max 10000
Engine - Months Max 12

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post #13 of 20 Old 05-24-2009, 01:12 PM
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60W is very heavy for your cooler climate. i would not use.

I would go with 5W40 or at the most 10W40.

Your engine;your choice.

Heavy oils in cooler climates do not equate to long engine life.
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post #14 of 20 Old 05-24-2009, 09:18 PM
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Quote:
Originally Posted by Gcalo View Post
Most oils are now mixed to change viscosity with temperatures.

A 5W40 means when cold it has the equivalent value of a lightw eight oil = 5 but when hot protects as a heavy weight = 40.

Use the 5W40.
+1, would recommend 5w40 for the 308.
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post #15 of 20 Old 05-24-2009, 09:56 PM Thread Starter
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I won't be using the 10w60, I'll probably top up with 10w40 as that's what is in it now, but might switch to 5w40 at the next oil change.

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post #16 of 20 Old 05-30-2009, 06:18 PM
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In the early days when the 308 first came out (76) and I had purchased mine from Cressman Motor cars in Ft. Lauderdale (1977) the recommendation was straight grade 30 w Casteroil. Times have chged obviously and I believe 5w/40 or if you live cold country 0w/40 systhetic would be best. Startup is what wears key components in esp high performance engines, not the drive. Many misconception's as to protection afforded by the 0 or 5 w oil's. They afford great protection startup and good protection when hot. I've only had one failure in all my cars and in my life and that was not the oils fault. It was in the 427 Cobra after an engine total rebuild and a brand new OEM rod failed and ruined my very rare sideoiler. Metallergy experts were summoned as it was a very expensive rare engine and it turned out to be OEM crack missed by X-ray prior to assemby not oil. Many interesting articles out there on oil. All of my cars currently are 5w/40 in the summer, 0w/40 in the winter. The older cars eg 427 Cobra and 65 356Porsche which reside in Fl. get straight (synthetic)30 w as their tolerances are different and more likely to burn oil or lose it. There is certainly no harm from changing from Petroleum based to synthetic or visvera.
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post #17 of 20 Old 11-14-2011, 04:51 PM
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Mobil 1 0W 40 will be ok for a 308 GTS 1978 ? I use in my Porsche 3.2
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post #18 of 20 Old 11-14-2011, 07:10 PM
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Quote:
Originally Posted by madem View Post
Mobil 1 0W 40 will be ok for a 308 GTS 1978 ? I use in my Porsche 3.2


I never use synthetic oil in old iron cylinder Ferrari motors. They usually burn it very quickly. Stick with dinosaur oil.
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post #19 of 20 Old 11-14-2011, 10:25 PM
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Quote:
Originally Posted by madem View Post
Mobil 1 0W 40 will be ok for a 308 GTS 1978 ? I use in my Porsche 3.2
+1 on Brian's recommendation. If you can't get dino oil, then a semi synthetic would be my next choice.
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post #20 of 20 Old 11-15-2011, 02:42 AM
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Regarding oil questions, I found that Bob The Oil guy is a very good reference in understanding the basics of oil and grease. I used his articles several times when I had some doubts or wanted to learn more

Here's his "Oil University in 10 chapters" : Motor Oil 101 - Bob is the Oil Guy

and also "What is in your oil" : What’s in your Motor Oil - Bob is the Oil Guy

and "Oil Analysis" : Engine Oil Analysis - Bob is the Oil Guy

Enjoy the reading
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