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General Discussion / Re: boa engine oil ?
« Last post by scud on Today at 19:55:08 »
yes your explanation fits my understanding, the other thing that had me thinking of that millers was in the blurb saying it was designed for older performance engines designed for 10-40 but its probably overkill so i'll get some 5 or 10 40 instead cheaper too  :tup:
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General Discussion / Re: boa engine oil ?
« Last post by capri v8 driver on Today at 19:35:24 »
Officially Ford advised 10W30.

The difference between 10w30 and 10w40 is the thickness of the oil at operating/high temperatures, at which 10w40 is thicker than 10w30. Using 10w30 oil in cold weather will help reduce excessive oil temperatures and drag as the engine warms up. Using 10w40 oil in the summer will help the oil stick to internal components in high temperatures, avoiding the wear and tear from metal-to-metal contact between moving parts.

The only difference between 10w30 and 10w40 oil is their thickness at engine operating (hot) temperatures. They will flow at the same rate during a cold startup since the starting viscosity is “10” for both formulations.

I used 10W40 without problems (with the oil/water cooler in place and a decent radiator).

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General Discussion / Re: 24v boa rocker cover gaskets which ones ?
« Last post by scud on Today at 18:43:28 »
Thanks mate I was being lazy when I posted, btw http://www.boostperformance.co.uk/ford_cosworth.html
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General Discussion / Re: boa engine oil ?
« Last post by scud on Today at 18:12:54 »
yes ive been using 10 40 semi for a while with no issue that im aware of, but im thinking its not a new as it used to be and I will probably be pushing it harder now and in the future

Also I noticed the oil temp is going above 90c in the summer with normal driving so its probably going to hit 110 or more easilly if I thrash it for more than a couple of minutes much more in summer
so im not convinced 10-40 semi is sufficent protection
to my understanding 5w40 makes more sense than 10w30 but then I thought ford recommended 10w40
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General Discussion / Re: 24v boa rocker cover gaskets which ones ?
« Last post by mk2 cossie on September 20, 2018, 13:52:51 PM »
Well, if I wasn't a complete dunce at computers I would link to the webpage  :-X

Just google Boost Performance and then click on the engines section on the website. The cam cover gaskets are listed in the left hand column at £65, and without a picture as well
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General Discussion / Re: boa engine oil ?
« Last post by mk2 cossie on September 20, 2018, 13:47:50 PM »
I've used 5w40 fully synthetic in mine for yeas with no problems  ;D
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General Discussion / Re: boa engine oil ?
« Last post by capri v8 driver on September 18, 2018, 20:12:06 PM »
Ford recommends 10W30 oil semi synthetic. 
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General Discussion / Re: 24v boa rocker cover gaskets which ones ?
« Last post by scud on September 18, 2018, 19:13:09 PM »
The Boost Performance ones are flat/thicker than the XR4i spares ones.
The only issue I had with them is getting them lined up and stuck to the cam covers themselves before fitting :-X

What have you got in the way of crankcase ventilation on your turbo setup?

Glue them in place.

Got any links for those items please or better ones
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General Discussion / boa engine oil ?
« Last post by scud on September 18, 2018, 19:05:08 PM »
Hey all
Any thoughts on upgraded oil choices for my boa its na, I'm considering millers nanodrive 10w50
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Parts Wanted / Re: 2.9 poly vee pulley spacers
« Last post by tane on August 11, 2018, 08:21:01 AM »
I managed to find the waterpump spacer and planning to take the lathe route with the crank spacer. I measures my crank pulleys and it seems that the best one is actually from a bob, so would still have to modify the original spacer if I found one.
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