Banned
Oil for V8
Hey all,
I just recently purchased my new pride and joy from a member of this forum, Reaper. The car is a HSV VP GTS and I wanted to know your thoughts on the oil I should give her. Is there really any difference between oil for V8's and V6's, I just want the best protection I can get.
Thanks,
Mack.
Aussie Muscle Fan
Holden specify 20W50 for the 5L. I personally use castrol GTX2 and change it every 5000km. Different people will give you a multitude of different opinions.Originally Posted by Mack
Beau Duke: Man, I'm never gonna get outta this car again. I'm gonna live in it, I'm gonna eat in it and I'm gonna make sweet love to it!
Luke Duke: You mean you're gonna make sweet love IN it.
Beau Duke: Oh no, I'm gonna have sex with it.
Exhaust Guru
As long as you use the oil recommended for the engine it should be good. If Reaper has been using synthetic oil, find out what it was and keep using the same stuff. If you change back to mineral oil after using synthetic it's not good for the engine.
4th year spanner spinner
id sugest valvoline formula 5000. its what i use. its 15w/40 and ive had no troubbes using it,
Stato on the inside, berlina on the out side,5ltr under the bonnet,stockies all round...........that thing has to be a sleeper
MY RIDES
[SIGPIC][/SIGPIC]
http://forums.justcommodores.com.au/...ad.php?t=41837
I thought original spec oil was 15-40? anyway I run 10-40 Synthetic at the moment might be a little thin but I'm one of these people that think if the engines still tight enough to not burn oil then use the thin stuff, but for such a machine as a GTS I think Penzoil 15-50 synthetic if there is such a thing would be ideal. I'm not a believer in mineral oil
that is pritty thin for an old vpI thought original spec oil was 15-40? anyway I run 10-40 Synthetic at the moment might be a little thin but I'm one of these people that think if the engines still tight enough to not burn oil then use the thin stuff! you dont belive in it?
I have been using Castrol Gas 15/40 for two years and now changed to Penrite gas10 which is bit thinner 10/50 and semi sythetic, is there any problem? some time I found the engine is nto stable when I idling.whatr about if I change back to castrol which is a mineral?
kellyvk
no good chopping and changing too much.
Banned
Well I just found out the Reaper was using Caltex Haveline multigrade (20-50). He seems to think it was semi-synthetic. I'll double check today.
Go the SIN 15 OIL From Penrite
www.penrite.com.au
Sin Engine Oil 15 is a fully synthetic oil blended with highly shear stable viscosity modifiers and man made base oils. It exceeds API SM/CF and ACEA A3/B4 and JASO MA.
This oil is good for Turbo Engines,Supercharged and Engine's to the capacity V12
Cheers.
* RVN 355 *
VPSS
mate. use Bp coarse plus. a very good oil that isnt expensive. i no of many people with tuff motors using it. i use it my self... and its 20w-60
Banned
GRAVE DIG, lol.
This weekend I'm doing the whole service. I got some Pennzoil Synthetic 15w-50 Oil, see how that goes yeah.
Site Administrator
I run HPR15.
Selling FG G6E Turbo and buying a N/A Supra
Exhaust Guru
When switching from mineral to synthetic it is a good idea to run a flushing oil through the engine first. If you don't the synthetic oil has a tendancy to dislodge any sludge build up and then it starts blocking things up. A flushing oil is designed to dissolve the build up and flush it out.
Banned
flushing oil you say, and how much would this flushing oil cost my kind sir? Its costly buying parts for a service, just got fuel filter, oil filter, oil, leads, plugs, dizzy rotor, dizzy cap.
Its only about 12 bucks for oil flush from repco but i've herd that 200-300 ml of diesel will do the same thing.
I didn't do it
4th year spanner spinner
diesel is the last thing you want inside of your engine.
mack you forgot the air filter....
Stato on the inside, berlina on the out side,5ltr under the bonnet,stockies all round...........that thing has to be a sleeper
MY RIDES
[SIGPIC][/SIGPIC]
http://forums.justcommodores.com.au/...ad.php?t=41837
Banned
No diesel is coming near my engine.
Yeah, the air filter was $16 or something, I had an old OK one from my VN sitting in my cupboard after installing my K&N POD. I wish I bought a K&N Panel now so I can reuse it on the GTS. So I changed from the one that was in the GTS (really dirty) to my other one which I cleaned with vacuum cleaner.
bye bye
cheers for the link'
i'll try Penrite HPR 10 and see how that goes
before you reply ya suppose to use HPR15, i have a VS engine in my VN
Exhaust Guru
Never use diesel in an engine, all it will do is thin the oil, not flush it out. You can use diesel oil however, something like a 10w40 for around 100-200kms, the extra detergents in there will act like a flush. Diesel oil is more expensive than petrol oil so a flushing oil may be cheaper. Around $30 for 5 litres I think.
Site Administrator
What difference does that make? A VN S1 through to VS SII is all the same mate. 10 weigh is far to thin, will be tappet noise like no tommorrow!cheers for the link'
i'll try Penrite HPR 10 and see how that goes
before you reply ya suppose to use HPR15, i have a VS engine in my VN
Selling FG G6E Turbo and buying a N/A Supra
bye bye
thats what the site reccomends for a VS 5.0, 95 to 98
Banned
Yep, it does say to use HRP10....5.0L below that recommend HPR15.
from memory i am using 10-50 in my 5.0l works fine no noise or anythign ... although i have noticed tha ti don't get as much oil pressure on idle .. i have reason to believe that it maybe a lil thing for the oil pump to suck it up so i might try a 20-50
My mechanic also reckons 20-50 would be better...
Banned
Well I rang the oil bloke and he either said go a 20W-50 mineral or a 15W-50 synthetic. Ive herd good thing from synthetic, so I chose the 15W-50 fully synthetic blend.
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