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Location:
South Eastern Subs
Registered:
March 2004
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Oil viscity and spark plug heat range for 1G
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Sat, 23 October 2004 07:06
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Just curious to whats the best viscosity sythetic oil for the 1ggte. I know the new 1j'z run 10-30w what about the older 1ggte...Also if the engine is modifyed should i change the oil more often...righn now i cahnge it every 10 to 15 thousand kays..
Also i hear if you up the boost to the engine you should get sparkplugs that are one step colder heat range then stock?? to provent detenetion..anyone know
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Location:
Canberra
Registered:
January 2004
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Re: Oil viscity and spark plug heat range for 1G
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Sat, 23 October 2004 07:25
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i'd like to know this as well. It's been a bit of an ongoing battle for me to find the right oil that will give me the best performance and that wont smoke.
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Location:
South Eastern Subs
Registered:
March 2004
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Re: Oil viscity and spark plug heat range for 1G
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Sun, 24 October 2004 05:21
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Err what no-one knows or am i asking something stupid here...
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I Supported Toymods
Location:
Lwr Templestowe, Melbourne
Registered:
August 2004
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Re: Oil viscity and spark plug heat range for 1G
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Sun, 24 October 2004 05:44
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Well I'm using mobil 1 synthetic in my 7m and it loves it. And I change it approximately every 5k kms. I was told to do that coz there is supposedly a problem with Toyota twin cams in that they seem to have gluggy oil developing around the cams and such (don't quote me, I was just told by my mechanic friend, who was in turn told by someone else).
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Location:
South Eastern Subs
Registered:
March 2004
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Re: Oil viscity and spark plug heat range for 1G
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Sun, 24 October 2004 05:52
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Cool..I change it every 7-10,000kms.. what grade Mobil 1. I been using 5-50. But i heard maybe its better to use 10-30 viscocity and this might be too thick to when its cold to oil the turbos and all the parts...
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I Supported Toymods
Location:
Lwr Templestowe, Melbourne
Registered:
August 2004
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Re: Oil viscity and spark plug heat range for 1G
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Sun, 24 October 2004 05:57
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Can't remember off the top of my head mate, but I will check. But personally I dont think 10w-30 is too thick when cold. But then I always warm my car up before I take it out for a drive. And I don't fang it until I've been driving for at least 5-10 mins. I'm a freak 
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Location:
South Eastern Subs
Registered:
March 2004
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Re: Oil viscity and spark plug heat range for 1G
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Sun, 24 October 2004 05:59
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I don't warm up the car when its idiling cause it fauls the plugs but i don't give it much trottle at all till its warm...
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Registered:
March 2003
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Re: Oil viscity and spark plug heat range for 1G
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Sun, 24 October 2004 06:15
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Just be careful, Mobile 1 5W50 is definately too thin for a 1G. Go for something like a 10W40. or 15W40.
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Location:
south east - melbourne
Registered:
March 2004
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Re: Oil viscity and spark plug heat range for 1G
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Sun, 24 October 2004 22:49
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boyan u need thicker oil as the engines are older and were made with a lesser tolerance than the new engines now which are made to run on thinner oil , im running 20w - 60 pe4nrite and have found it very good in the car maybe 15 will do as well
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Location:
Adelaide, SA
Registered:
May 2002
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 02:17
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I'm using Mobil 1 5W50 on my 1G-GTE... no leaking, no burning, works nicely! But then, it's freshly rebuilt
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Location:
south east - melbourne
Registered:
March 2004
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 02:21
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thats why rebuilt engines are as good as new so u can use thin oil , rather u need thin oil
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 02:31
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Yeah, but provided your engine isn't stuffed and doesn't burn the oil for being too thin, then what is the problem? People bitched about how my 280000km 21R-C shouldn't use 10w40 oil because it's too thin and would be burnt away. The damn thing doesn't use a drop.
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Location:
Adelaide, SA
Registered:
May 2002
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 03:00
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Not to mention, all turbo engines should use synthetic. Can't have that oil breaking down once it gets near the turbos!
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Location:
south east - melbourne
Registered:
March 2004
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 03:16
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| HyDrA wrote on Mon, 25 October 2004 13:00 |
Not to mention, all turbo engines should use synthetic. Can't have that oil breaking down once it gets near the turbos!
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i would have to say no there , the older model turbo charged cars were made with lesser tolerances than the new cars , synthetic oil didnt exist in the early 80s (from what ive heard)
so those cars were made in tolerance of what oil was available then , (not synthetic)
thast why u need thicker oil for older cars as the oil will be squuezed through the rings and all cause its too thin ,
synthetic oils are always thin oils they never come in the thicker rating , ive never soon any adfter 15w eve that was semi-synthetic
tolerance is the issue fellas keep that in mind
but then if the engines been rebuilt to finer tolerances and all then go the finer synthetic oil
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 03:17
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Dude, the recommended oil from Toyota was 10w30 synthetic. It's not a dinosaur engine.
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Location:
south east - melbourne
Registered:
March 2004
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 03:21
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yeahs that for when the car is brand spankers
its 16 years now snce the car was made do u still think the engine will perform or be the same as it was when it was made
just curious to know what now needs to be put in it
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 03:23
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Yeah, but provided the engine is still healthy, and doesn't burn it then there is no problem. Every engine will be different, it's all about what works for you.
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Location:
south east - melbourne
Registered:
March 2004
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 03:27
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yeah if the engine still going good i suppose u can do that ive een told that the 5w is too thin for normal cars they only needed for the smaller engine like the hondas and all even for them u need to change to thicker oil after 4-5 years
anyways as u said each to their own on the oil thing , as u need to figure out urself what oils is making ur engine run better i found it best with 20w but therea lot of rattle when starting but once driven the engine is very quiet
5w ad 10 w gave me really bad cold start in winter ery harsh
this couls also havebeen due to my thermostat being open all the way and car took ages to warm
so i got to try again snd see if the thineer oil will do
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 03:29
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Considering in colder climates they actually recommend the thinner oils, I'd be checking everything else out first.
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Location:
south east - melbourne
Registered:
March 2004
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 03:30
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yeah my thermo is stuck open so car takes ages to warm up will see what happens after its changed
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Location:
Adelaide, SA
Registered:
May 2002
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 05:18
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indian, you do realise that synthetic "holds together" until higher temps, unlike normal oils which tend to break down earlier on. The oil passes through the turbos, lubricating the bearings etc, and providing some cooling... if the temp of the oil gets too high it apparently becomes more gritty, or so i've heard. Using synthetic helps prevent this.
It's no fun having to rebuild things 
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 05:22
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Mobil 1 do make a 15w full synthetic if you're really worried about it.
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Location:
south east - melbourne
Registered:
March 2004
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 05:23
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yeah of course i know that but its only a stocker engine then the temp isnt going to be mega high , then u def need synthetic as the normal oil wont be good for use
just going by whats happened to me , norma oil works very well for mycar then again i have the thermo prob and maybe due to that the other oils wrernt working well as my ar used to take ages to warm up
after changing the thermo i will see what oil i need as the thinner syntetic oils gave me very rough cold start the thicker non synthetic oil i have now works a treat
as for now once the ar is at perating temperature u cant hear a single noise , maybe a faint ticking , and the fan noise that it very quiet and i like it
as for the mobil one i hae to check that out maybe that will work better on my car dunno
my car takes about 10 minutes or more to warm up in minter and having used the thinner oils frmm 5w-50 mobil1 . 10w-60 castrol supersyn , and 15w-50 penrite all synthetic xcept for penrite which was semi synth
i found the car was very harsh on cold start sitting there for 10 minutes everyday i could hear and feel the car ,,
then tried 20w-60 mineral oil and it was really much better no harsh feeling , nothing xcpt for the tapppet noise which increased due to the oil nt getting there being too thick
but eventually gets there and the car is really quiet and smooth tomdrive
thats what ive found out
now seing that i have thermo prob and ar should be warm in 2-3 min maybe a thinner oil will be better i dunno have to see
[Updated on: Mon, 25 October 2004 05:32]
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Location:
South Eastern Subs
Registered:
March 2004
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 08:22
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Ok since this was my original tread people which damn oil do i use when i modify the car..ie i just got the Hiperboost controller today and i'be running 12-14 psi till i get the Wolf ECU..so what oil visocity peoples (due to higher heat) and should i change the heat range of the plugs to one step colder then stock..
PS: I just the the front pipe from turbo with a cat 3"inces to match my back pipe..and guess what it made f@@k all diffrence..i mean whats the point of modifying this thing...put a cooler and exaust and got nothing...i thought this would at least make it spool quicker..it better have some good results when i up the boost to 14psi..otherise ill burn the car...  ...i should just rebuild my chev again...instead of letting it collect dust...sorry just a bit pissed off..
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Registered:
March 2003
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 08:25
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It's an old 1G, you won't get much power gains unless you put a big single turbo on it, ECU and injectors.
As I said use 10W40 or 15W40 synthetic oil, they are both fine.
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Location:
South Eastern Subs
Registered:
March 2004
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 08:30
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Seriously then is it worth spending money on a Wolf3d then.. i mean in all seriousness people.. i could just get a HKS P-F-Con and reduce the richness when i boost it for $250 buck instead of $1800 bucks for the wolf...I mean i know u can't beat and aftermarket computer but is it worth it on a stock 1G..i don't plan to ever change the either...
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Location:
South Eastern Subs
Registered:
March 2004
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 08:31
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change the turbos that is...is adjusting ignition that vital
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Registered:
March 2003
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Re: Oil viscity and spark plug heat range for 1G
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Mon, 25 October 2004 09:58
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As I said mate, with the old 1G in the Soarer, don't bother with aftermarket management. Althought for $250 you can't go wrong anyway.
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