I get asked many questions about oil so I thought a thread here for all oil related questions would be a good idea and build into a FAQ or reference point for others.
So, put your oil questions here but please give the following information if you would like a recommendation:
Make
Model
Year
Engine size/type
Any mods
Type of use (road/track)
Additional info (max oil temps, current oil used)
What do you want a recommendation for? Engine, Gearbox etc?
I hope this will help and become a useful thread
Regards
Guy
Oil advice and recommendations here
I'll start then, normally buy my oil from you but I'll be interested to see if any others are recommended.
Make- Mazda
Model- RX7 FD3S
Year- 1993
Engine size/type - 13B REW Twin Turbo
Any mods-
uprated SMIC
4*850 injectors
Boost controller (boost upped to 0.9)
Apexi ecu
Dump valve
Type of use-
Road (plus occasional trackday)
Engine oil, gearbox oil, diff oil etc
Make- Mazda
Model- RX7 FD3S
Year- 1993
Engine size/type - 13B REW Twin Turbo
Any mods-
uprated SMIC
4*850 injectors
Boost controller (boost upped to 0.9)
Apexi ecu
Dump valve
Type of use-
Road (plus occasional trackday)
Engine oil, gearbox oil, diff oil etc
--------------------------------------------------------------------------------
Gareth
Gareth
Me too, but info on gearbox would be useful 
Make- Honda
Model- EK9 Civic type R
Year- 1998
Engine size/type - 1.6 B16B
Mods:
Cold Air Intake
Stainless Steel Exhaust Manifold
ECU (raised rev limit to 9300 rpm)
70mm Throttle Body
Low Temp Thermostat & Fan Switch
Type of use:
Road & Trackday
Recommendations:
Engine oil (currently use Silkolene Pro S 5W40)
Gearbox oil
Cheers,
Alex

Make- Honda
Model- EK9 Civic type R
Year- 1998
Engine size/type - 1.6 B16B
Mods:
Cold Air Intake
Stainless Steel Exhaust Manifold
ECU (raised rev limit to 9300 rpm)
70mm Throttle Body
Low Temp Thermostat & Fan Switch
Type of use:
Road & Trackday
Recommendations:
Engine oil (currently use Silkolene Pro S 5W40)
Gearbox oil
Cheers,
Alex
For the gearbox and diff we recomend the Silkolene Syn5 75w-90, this has been well proven in both road and track FD'sRX7 wrote:I'll start then, normally buy my oil from you but I'll be interested to see if any others are recommended.
Make- Mazda
Model- RX7 FD3S
Year- 1993
Engine size/type - 13B REW Twin Turbo
Any mods-
uprated SMIC
4*850 injectors
Boost controller (boost upped to 0.9)
Apexi ecu
Dump valve
Type of use-
Road (plus occasional trackday)
Engine oil, gearbox oil, diff oil etc
For the engine there is plemnty of choice, many use a 10w-40 semi synthetic and with regular changes this is fine, however for modded and track used rotaries we tend to recomend an ester based 5w-40 synthetic such as the Silkolene Pro S 5w-40.
Cheers
Guy.
Alex,alexb wrote:Me too, but info on gearbox would be useful
Make- Honda
Model- EK9 Civic type R
Year- 1998
Engine size/type - 1.6 B16B
Mods:
Cold Air Intake
Stainless Steel Exhaust Manifold
ECU (raised rev limit to 9300 rpm)
70mm Throttle Body
Low Temp Thermostat & Fan Switch
Type of use:
Road & Trackday
Recommendations:
Engine oil (currently use Silkolene Pro S 5W40)
Gearbox oil
Cheers,
Alex
You cannot go wrong with the SIlkolene Pro S 5w-40 so if you are happy with it, stick with it.
For the gearbox you will need an MTF, we have found the Redline MTL and the Amsoil Synthetic MTF have given best results.
Cheers
Guy.
Always keen to help a club, what are my options?stuart wrote:I have a question for you Guy
Are you going to pay to advertise on here or just post surreptitiously in a bid to procure sales through the back door?
Hope I haven't ostracized you there old chap, but rules are rules.
Stuart
Head of Diplomacy
Cheers
Guy.