best oil

Post by **Johnno** » Thu Mar 16, 2006 8:56 am

Hiya all,any ideas on the best oil to use on a sidevalve engine.All the best,John.

Post by **Cam** » Thu Mar 16, 2006 11:13 am

I'd use a reasonable quality 20W50 oil personally. Otherwise Castrol GTX 15W40, but I'd prefer a slightly thicker oil such as 20W50.

Post by **Johnno** » Thu Mar 16, 2006 8:21 pm

Thanks again Cam.I was thinking more of a straight oil,but maybe it would be too thick.I will stick to a multigrade.All the best,John.

Post by **Cam** » Thu Mar 16, 2006 9:28 pm

Well, a straight oil does not have to be too thick (depends on what you buy), but there's no real point when multigrades are available and it's not like you can tell the difference for the sake of originality once it's in.

Post by **mike.perry** » Sun Mar 19, 2006 1:07 am

Halfords sell their own brand Classic Motor Oil. Comes in a traditional tin and looks like Duckhams. Easier to pour into the filler than those silly shaped Castrol containers. Using some at the moment and haven't blown the engine yet.
No point in using mono grade oil as modern oils contain much better additives.
Michael Perry

Post by **Judge** » Sun Mar 19, 2006 9:43 am

The only caution I would urge if using a modern multigrade, is if you have any engine, particularly an early one that has never been rebuilt and has always been run using straight grades (unlikely I know), is the possible risk of the detergents disturbing years of built up 'sludge'.

Post by **rayofleamington** » Sun Mar 19, 2006 1:06 pm

Halfords sell their own brand Classic Motor Oil.

I looked at that stuff on Friday. No ratings therefore I decided it wasn't even worth thinking about (IMHO)

Post by **Pyoor_Kate** » Sun Mar 19, 2006 5:19 pm

rayofleamington wrote:
Halfords sell their own brand Classic Motor Oil.
I looked at that stuff on Friday. No ratings therefore I decided it wasn't even worth thinking about (IMHO)

Aye, that's what I thought too

Post by **bigginger** » Sun Mar 19, 2006 6:02 pm

Not all Halfords stock it anyway

Post by **minor_hickup** » Sun Mar 19, 2006 8:47 pm

and its more expensive than duckhams which is rated!!

Post by **chickenjohn** » Mon Mar 20, 2006 7:35 am

If its not rated, you might as well just use the ASDA 20w50 for £2.90 rather than paying Hellfrauds overprices for the same quality!

Don't leave it in for long though!

Post by **Johnno** » Mon Mar 20, 2006 8:55 am

Thanks for all the advice.I"ll go for the duckhams I think,although it does seem to be difficult to find around here.All the best,John.