Engine Oil

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Engine Oil

Postby Steve Boother » Sat Jun 13, 2020 10:31 am

Hi

I am sure this question gets asked a lot and I have searched but haven't found a definitive answer on the forum.....but, what is the favoured engine oil used by the majority in the 750 Formula? I have used Mobil 1 in many of my other race applications and it would probably be ok for a fully synthetic 15/40 for the Fiat but thought I would seek opinion here first. Thanks for any suggestions.

Steve
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Re: Engine Oil

Postby pbove » Sat Jun 13, 2020 3:17 pm

I’ve done lots of research on this and tend to use whichever synthetic oil is available at a reasonable price, tending to favour the “motorsport” oils that are increasingly available.
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Re: Engine Oil

Postby Dave Robson » Sat Jun 13, 2020 4:11 pm

Mineral oil on a fresh engine to help the rings bed in is a good bet. Synthetic can cause the bores to polish until the rings are bedded.
Obviously there will be a some divergence of opinion. 25 /50 mineral oil then 10/40 synthetic after a couple of outings might be worth considering
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Re: Engine Oil

Postby Steve Boother » Sat Jun 13, 2020 4:26 pm

Thank you guys, that points me in the right direction.
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