I was wanting to know the best oil to use in a modded 1330 motor
is fully synthetic OK , some info would be good. Thanks

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850 MONSTER

I'm pretty sure you don't want to be using synthetic oil. Cause the gearbox uses the same oil you need a thicker one. You want non synthetic, 20W-50... Do a quick search, theres a few topics on this.

Synthetics are a No-No

It's up to many people's preference, but IMO the best oil is Castrol's Formula R 20w50 NON SYNTHETIC..you can tell it's not cause it'll be alot cheaper

As Alex said, do a search, there have been many many toppics discussing it.

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Starlet Conversion:
http://www.ausmini.com/forums/viewtopic.php?t=15484

Castrol Formula R is what I use.

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penrite HPR30 20w60 best in my opinion

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real men race downhill - keiichi tsuchiya

Anything with an SF/SG rating is the best. They're also the cheapest. Dont use any higher gradings, such as SL, SK for example. These types of oils are bad for your gearbox, and a minis engine and gearbox share the same oil.

O, and before it gets said, Sk/Sl oils ARE NOT BETTER OILS. They are different oils, designed for new cars.

The rating can be found on the bottle. Sometimes on the front, but usually on teh back in tiny writing.

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castrol type r here
makka

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I run Valvoline `SF' 20W/50 in Barney, and change it every 1500 miles (filter at 3K). Holds pressure well hot, even after a freeway run.

With Ha-ha I did the same, but following my recent main bearing problem at Wakefield Pk (engine build related, probably no fault of the oil) I'm going back to Castrol Formula R 25W/50 for track work.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

i run BI-LO $4.99 oil

nah, i used to run castrol type r as well, switched to Fuchs Titan GT 2050. Dont know why i switched, just felt like a change i spose.

Penrite, for 20 years now.

I allways use a non friction modified engine oil in the road Minis.

valvoline was my choice XL or XLD for a road car and racing 50 for the track, never had a problem with this brand

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Roundies and Clubbies(except vans) are both ugly that is why I have Midas and a van
1293 Mini Midas Bronze,1275 Clubman van

super stuff that

yeah i usually use valvoline 20/50, minis can and should run on "primitive" oil as that was what they were designed to run on.. its easier on the wallet too.. unless you run that super good stuffs like penrite like i do in my race motor.

i heard that kmart oil was made by shell anyway, so other "no name brands" are most definately made by the big oil companies.

lol i heard that too, but um, no ive never used bi-lo oil in anything......period.