Engine Rattle

[gsd112]

Ive run ford mineral 15w-40, 5w-40 synthetic havoline, nulon 10w-40 full syn, 10w-40 penrite racing and 15w-40 semi syn penrite and never had a single noise period. I run the penrite racing 10w-40 exclusively know and its as quiet as a mouse.

[jimmixr]

I guess everyone has their own reasoning and justifications. All I know the ford engineers have specified a certain grade of oil. I've had Agee of these things apart,and ican tell you the tolerance leave slot to be desired.

Ill give an example. If Ferrari asks for a 0 whatever .. Would you listen to your tuner if he specified a 20w-60 ????

Cheers

[Seaton]

What oil you run Jimmy? I run the Nulon 10w-40 and have spoken with the nulon tech guys a few times and they recommend I step up to the 15-50 for the circuit days I do, so will be doing that before the next one.

I change under every 5000km, or for every track day. Oil is cheap.

[genuine honest person]

I never liked nulon oils ,also you will find it hard to find (15w-50 ) most shops do not stock it . I just use penrite racing 15-50 but next time will get the even heavier 60 oil . mine is a old

ba engine with 110,000 klm on the clock

oils are like cars everyone likes one brand more than the other . lol oil is oil as long as you change it regularly it will be fine no mater what brand you use

Edited 15/11/14 08:54 PM by gunna

[jimmixr]

I'm running pen rite racing 15-50

I'm just more curious as to what the argument is about running a lighter oil in the barra. What the logic is?

I'd be more inclined to listen to a"tuner's" recommendation if he'd actually built a barra or 10.... Not just tuning

As I stated before,tolerances in the ol barra leave alot to be desired. A heavier weight oil can only aid..not hinder.

[Wenier]

You've got to remember that the 0w40 and a 10w40 are the same weight at normal operating temps. A 0w is actually closer to the 40 requirement that the engineers who design the vehicle want at operating temp.

Running a higher end number is if you flog it enough that the higher operating temp you have makes that higher number act the same as say a 40 at normal operating temp.

So generally the first number isn't going to make a huge difference, but the quality and brand can.

Oil is bloody hard to get right and each to their own really. I run a 5w40 and no issues at all.

[genuine honest person]

my oil pressure dropped right down to about 5 psi after puling in from every powercruise event . so now that it is getting hotter I will up the oil viscosity so that I do not have the same

problems . it is not a daily driven car ,only weekends

[discostig]

Make sure your oil pressure reading is accurate though. I'm dubious on mine as it's taken from a sandwhich plate under the oil filter.

Anyone able to confirm if this would be an accurate location to take readings from as compared to what's actually up in the pump?

[genuine honest person]

mine still reads from the turbo side ,as the original one was

[Bomber]

Must say the common theme seems to be people running heavier springs too. I do remember Brad from Atomic telling me something about that.