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Hey all. Im tryin to find out if it is worth using 5W40 oil in my car. Magazines and the bottle say it is good and helps ur engine spin more freely while still lubin it up well but i am a believer in doin wot the manufacturer says and they say use 10W40 on my engine (1.4i PT-E 1996 with 110k on)

What is everyones opinion on this stuff?

get some mobil 1 in there! its zee best! ive used millers fully sythetic 5w40 and thats gd!

5W/40 is okay for your car mate, its only slightly different. Dont use Mobil 1 on your engine mate, its too thin for your engine and mileage. Mobil 1 is the best you can get without Doubt but i wouldnt recommend it for your car.

The stuff is shell helix ultra 5w40. That ok scoob?

That would be okay mate as i said, its close....

Anyone know what oil i should be using, has to be synthetic

1992 car but engine is only about 10 yrs old and done 80000

daz u could use cement and it wouldnt make ur car run any worse! pmsl

cheeky

I use castrol magnex 5w30 in my ka, seems to run fine.

ive been advised not to go ahead cos of engine age. 10 wud be better he sez. Zetecs and duratec/torq motas are cool for 5 W but not the old PT-E

I have been told by renault sport, that they use 5w 40 in their rally and cup racing cars. This is the oil that gets recommended for my clio 182 sport.

The only prob is that the oil is fully syn, and most old cars with high miles dont run to well on fully syn.
Also when i came to a 6k oil change, trying the get hold of a decent oil brand was a nightmare.
the oil i needed was elf 5 40w. i found the shell helix 5 40 at the shell garage. i bit on the £££ side 9.99 for 1L.
Other things i have found out, the helix oil 5 40w is the stuff honda recommend for their high reving engines in the Civic type R and S2000.

Seems that 5 40w is for sporty engines.

bah,crap.i bought the stuff days ago.Ill just sell/give it to my mechanic m8 hu is serevicin my car for me. or use it for top ups

Book recommeds 5w/30 for my engine so I stick the Castrol Magnatec in too like Lazyben - Done me no harm!