pussyeater

pussyeater

New Member
It's easy to underestimate the importance of using the right oil and easy to buy the wrong oil so i thought these different lube advisor tools would help us, a lot of you already use them but some might not know about them.

Welcome to the Comma Oil & Chemicals Ltd. Website go to application guide

LubeMatch - United Kingdom

http://www.castrol.com/castrol/iframe.do?categoryId=9024084&contentId=7044829

Be sure to read the footnotes ( if you see any letter like a,b,c etc find out what they mean at the bottom of the page)
 
Will Castrol 'R' be allright in my V8...?

only askin cos I got 4 gall to spare from me old Mini racing days:pop2:
 
landowner said:
Will Castrol 'R' be allright in my V8...?

only askin cos I got 4 gall to spare from me old Mini racing days:pop2:
Click to expand...

Castor oil does smell nice

the trouble with Castrol R is that it's a classic car racing oil and usually a monograde low detergent oil i.e Castrol R40. They don't use it in modern racing as the Hydrotreated,PAO and Ester based synthetic oils outperform them.

for some classic racing applications its excellent because the build tolerances on older engines aren't as close and you warm the engine up fully before driving it and you change the oil really regularly

It's Winter now though and it'll be a pain in the arse if you wanted to nip down the shop for some peroni and some cigarettes and have to sit in the drive for 20 mins waiting for it to warm up lol

with winter here and being a modern ish engine it's probably not a great idea to use it in your V8. You can always ring Castrol Technical who will soon tell you if you can Castrol General Enquiries Tel +44 (0)1793 512 712 ask for technical

if they say no you could ebay it or fire it into your lawn mower and give yourself and your neighbours a treat!!

best regards
 
pussyeater said:
Castor oil does smell nice

the trouble with Castrol R is that it's a classic car racing oil and usually a monograde low detergent oil i.e Castrol R40. They don't use it in modern racing as the Hydrotreated,PAO and Ester based synthetic oils outperform them.

for some classic racing applications its excellent because the build tolerances on older engines aren't as close and you warm the engine up fully before driving it and you change the oil really regularly

It's Winter now though and it'll be a pain in the arse if you wanted to nip down the shop for some peroni and some cigarettes and have to sit in the drive for 20 mins waiting for it to warm up lol

with winter here and being a modern ish engine it's probably not a great idea to use it in your V8. You can always ring Castrol Technical who will soon tell you if you can Castrol General Enquiries Tel +44 (0)1793 512 712 ask for technical

if they say no you could ebay it or fire it into your lawn mower and give yourself and your neighbours a treat!!

best regards
Click to expand...

Thanks for the info.
I wouldn't call my '84 V8 a modern engine as it was designed a long time before that and modern Castrol R 40 is too thin for it.
 
Used to put it in my old SD1 Vitesse.
Dash pots and mix some in the fuel.
Used TQF in the engine when we started racing it but it was changed every 1000 miles.

Smells luvurly.
 
landowner said:
Thanks for the info.
I wouldn't call my '84 V8 a modern engine as it was designed a long time before that and modern Castrol R 40 is too thin for it.
Click to expand...

Yeah it's not the most up to date engine around but it was still designed with multigrade oils in mind

for your engine Castrol list a 10W-40 so when the oil is hot it will be the same viscosity as the Castrol R40 it's just that the R40 will be too thick when it gets cold

10W is the cold viscosity
40 is the hot viscosity
 
Been advised by a V8 man to use 20/50 especailly in the summer, my oil light comes on (flickers) sometimes at tickover when it gets hot and it's supposed to be a new engine so I suspect cheap thin oil has been used.
Not running it yet so going to change it anyway when its on the road cause I dont know what is in it.
I think I'll put a quality 10/40 in for the winter and stick 20/50 in for the summer.
Perhaps I could mix it:eek: :D for the spring / autumn:D

JD kicking in now:beer2:
 
landowner said:
Been advised by a V8 man to use 20/50 especailly in the summer, my oil light comes on (flickers) sometimes at tickover when it gets hot and it's supposed to be a new engine so I suspect cheap thin oil has been used.
Not running it yet so going to change it anyway when its on the road cause I dont know what is in it.
I think I'll put a quality 10/40 in for the winter and stick 20/50 in for the summer.
Perhaps I could mix it:eek: :D for the spring / autumn:D

JD kicking in now:beer2:
Click to expand...

:confused::confused:
 
The Mad Hat Man said:
:confused::confused:
Click to expand...

Years ago we used to use different oil in the summer (thicker) to keep the oil pressure up. Now it's not nessesary or is that nesessary.
Older engines have pumps which are designed to pump thicker oil and cant cope with the 'new' thinner (better) viscosity type stuff.
Was thinking the V8 was designed for 20/50 even though 10/40 will do.

am I making sense:bolt:
 
landowner said:
Been advised by a V8 man to use 20/50 especailly in the summer, my oil light comes on (flickers) sometimes at tickover when it gets hot and it's supposed to be a new engine so I suspect cheap thin oil has been used.
Not running it yet so going to change it anyway when its on the road cause I dont know what is in it.
I think I'll put a quality 10/40 in for the winter and stick 20/50 in for the summer.
Perhaps I could mix it:eek: :D for the spring / autumn:D

JD kicking in now:beer2:
Click to expand...


10W-40 or 15W-40 all year round will be perfect for it

it may be that the oil in the sump at the moment has broken down causing the drop in oil pressure

quite often with engines that were designed when 20w-50 was the only thing around they find 15W-40 or 10W-40 actually suits and protects it better
 
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