Keeping That Engine Alive

[illusiVe]

on the topic of oil.. i know a 'catch can' CATCHES oil.. but what does that do that benefits a normal car, eg a FMIC lowers intake temps upon higher boost

[illusiVe]

*added e-mail notification*

[TTT]

so you are sayign OVER FILL with oil on ALL skylines.. track, street, shopping etc..

[sh@un]

What about the oil coming through the windage tray and causing the crank to throw too much of it up into the bores? I ran my car at the Oran GP circuit all day on the standard oil level and it's fine...or is it because my tyres are too shit to be able to generate the g-forces required to cause a problem? *lolz*

[Abo Bob]

A catch can catches the oil that would otherwise be put into your intake system and burnt along with the fuel. When it is put through this way it lowers the octane rating of your fuel mixture thus bringing you closer to detonation and engine death.

[TTT]

still waiting for answer

[illusiVe]

god i need a catch can.. why does it burn oil.. why not just keep it in there...

[Duncan]

90% likely it burns oil because you have worn rings. start with a compression test.

or just fill the oil regularly

GTST we overfill the race cars all the time, but you can go too far and the crank can start slapping the oil = bad. Only go a little over full, just under the hump in the stick like T04GTR said

[RedDrifter]

T04GTR iis right in what he is saying.

After going through one engine I have become a little worried about it too so for the past 18 months I have been overfilling the oil in my gts-t aswell. I have been using the whole 5.5 litres in the oil container.

I generally use penzoil synthetic 5w50 (I think).

Havent seen my car in a while so I'm shaky on the exact numbers now.

I get bugger all extra oil in the catch can and its just good to know oil stavations probs will be minimised.

[shanef]

What should the oil pressure be sitting on?

my engine let go on saturday night, and the pressure was on 2 on the gauge in the dash. I had just done an oil change 2 hours before hand using MOTUL 4100 turbolight (10W40 im pretty sure)

[Blitz]

What should the oil pressure be sitting on?

my engine let go on saturday night, and the pressure was on 2 on the gauge in the dash. I had just done an oil change 2 hours before hand using MOTUL 4100 turbolight (10W40 im pretty sure)

Your using the wrong oil for a GTR for a start.

If the engine was tired, and exhibiting low oil pressure already, 4100 wasnt a good solution.

[gtr sleeper]

quick question i have a gtr with a lot of mods, rebuilt 1200ks ago and used all good internals and use mobil 1 (good or bad?) or what is a good oil, dont care about cost.

[R31Nismoid]

You own a workshop dont ya?

i do it all the time on customers cars,

[Bunta]

What should the oil pressure be sitting on?

my engine let go on saturday night, and the pressure was on 2 on the gauge in the dash. I had just done an oil change 2 hours before hand using MOTUL 4100 turbolight (10W40 im pretty sure)

I used turbo light in my car and I got exactly the same symptoms (Minus the spun bearing)

I changed to Daves suggested penrite 5W60 and the oil pressure now behaves normally!

[wilch]

I was under the impression that 5W60 is thinner than 10W40??

e.g., Mobil 1 synthetic 5w40 (or whatever it is that kmart stock) is hella thin.

I think I might change to 5W60.....

[Abo Bob]

The first number is the cold thickness and the second one is hot.

60 is thicker than 40.

[cowie165]

Does it stand to reason that if you are using an oil cooler you could (should?) use a lower viscosity?

[wilch]

10w50 thicker than 5w50?

[GIGOLO]

at cold, yes its thicker. But they will be the same viscosity at normal opperating temperatures.

[wilch]

cool... Hmmm I'm still confused about what weight to use.

I'm guessing thicker is better (if the valves are making a little noise)... But 5w60 (recommended above) is thinner than 10w40 isn't it?

All I can find is 5w50 Mobil 1. Would that be a better oil to use than the Motul 4100 10w40?