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Open in new windowArchive through August 30, 2007David Eberhart25 
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Ashley Leach
DieHard
South Australia
GT Limited UZZ31 V8

Posts: 744
Reg: 02-2006

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Thursday, August 30, 2007 - 10:32 pm, by:  Ashley Leach (Ashlar) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yeah it could be shims.
From what I understand with them though is the sound should get softer as it warms up (metal expanding and closing gaps)

So the plan is to take it to toyota, if that doesn't get me anywhere then get under on the weekend and have a poke around. Compression test then start yanking plugs to see if it stops when a piston stops firing. Failing that I'll see if any of the cams have strange wearing.

If that doesn't help then I guess it's back to the drawing board, or ditch the engine and get a new one... or wait until this one blows.
Jeff Harper
Trader
NSW
UZZ32 Active V8

Posts: 1407
Reg: 07-2005

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Friday, August 31, 2007 - 06:57 am, by:  Jeff Harper (Jeffh) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Toyota designed your car to use 5W30, running thinner means danger zone. 10w is absurd, you will run your crank and main bearing very quickly.
Ashley Leach
DieHard
South Australia
GT Limited UZZ31 V8

Posts: 745
Reg: 02-2006

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Friday, August 31, 2007 - 07:05 am, by:  Ashley Leach (Ashlar) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I thought the general rule was the older the engine the thicker the oil?

A heap of people here are running 15w...
Damian Ware
DieHard
Victoria
UZZ32

Posts: 573
Reg: 10-2005

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Friday, August 31, 2007 - 01:47 pm, by:  Damian Ware (Frozenpod) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Jeff to be perfectly clear toyota recommended 5w30 for cooler temps and 10w30 for higher temps.

As far as I am aware from reading post and speaking to others most people are running a 10w40 and some are running 15w50.

I think this is crazy and I run 5w30 in mine. After 5000km it has used just a touch of oil but is still well within range on the dip stick.

I'm happy with that and I do not intend to change to a thicker oil, well maybe a 10w30 for summer.
Anish Varsani
DieHard
QLD
V8 UZZ30

Posts: 548
Reg: 07-2005

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Friday, August 31, 2007 - 02:33 pm, by:  Anish Varsani (Yomama) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

If I run 10W30 here in Queensland summers, I lose about 500ml over 1000km of highway driving. The oil tends to ends up in the intake manifold.

Using 10w40 or 20w50 dosn't seem to exhibit this problem.
Mike Beck
Goo Roo
New Zealand
Celsior UCF11 V8

Posts: 1416
Reg: 11-2005

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Friday, August 31, 2007 - 02:58 pm, by:  Mike Beck (Gold_40gt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Ive found 15w-60 Penrite the best. Currently 10w-50 but not as smooth or quiet as the 15w was. Over summer I might go up to the 15w-60 :-)
Robert Carlyon
Tinkerer
NSW/SA
UZZ32 GT-L V8 #192

Posts: 82
Reg: 07-2005

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Friday, August 31, 2007 - 04:15 pm, by:  Robert Carlyon (Bob) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Ash, I just watched your video and it doesn't really tell much, I wish we could listen to it just idling for a bit. I'm sure there is an issue there as you are noticing it, but the video is not giving much away.

I have used Castrol Magnatec (every 5000 Km without fail) for the last three years and its been great. As an example, I just finished a 5000 Km round trip to Sydney on Tuesday and its still running fantastic, great economy (for a 1685 Kg UZZ32 that is).

Perhaps I can have a listen to it on the 16th?

Regards, Rob
Matthew Sharpe
Goo Roo
North Island
JZZ31

Posts: 2936
Reg: 10-2005

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Friday, August 31, 2007 - 04:18 pm, by:  Matthew Sharpe (Madmatt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I've changed back to Magnatec (10w40) as Supercheap had it on sale last weekend. HPR 15 was good value though, and I'd consider using it again.
Damian Ware
DieHard
Victoria
UZZ32

Posts: 574
Reg: 10-2005

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Friday, August 31, 2007 - 06:13 pm, by:  Damian Ware (Frozenpod) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I don't know about you Jeff but those oil specs sound horribly thick.

Now I haven't driven up North but I have driven in 35 plus deg temps. I did a 1600km trip all driven on the HWY at 100km/hr, the weather was 30 plus the entire time.

I was using 5W40 at the time and had zero oil usage. I change after this point when I found out what the toyota specs were.

Using such a thick oil will not allow oil to flow where it is required ie through oil galleries and inbetween bearing clearances. My understanding is that this will do serious damage if it has not already.

Please correct me if I am wrong.
Jeff Harper
Trader
NSW
UZZ32 Active V8

Posts: 1411
Reg: 07-2005

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Friday, August 31, 2007 - 07:44 pm, by:  Jeff Harper (Jeffh) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Well some guru will correct me, but the most wear is done at start up. If you have a too thin oil it will not be cushioning the main bearings well enough and the crank will touch the bearing material.

This will kill your engine.

Just use the weight oil Toyota recommends, they make the best engines around and are the most reliable... I reckon they know the right weight to use.
Andrew Ferres
DieHard
WA
'90 C-F Celsior V8, '84 Soarer V8

Posts: 694
Reg: 07-2005

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Saturday, September 01, 2007 - 09:06 pm, by:  Andrew Ferres (Peewee) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I've been using Penrte HPR15 (15W-60) for about 3 years now, and have had no complaints.

Penrite recommend HPR10, which I used for a while, but notice it burns a bit more, and is noisier on cold start up.

The motor does tend to hit redline at least a dozen times every journey though.
Ashley Leach
DieHard
South Australia
GT Limited UZZ31 V8

Posts: 748
Reg: 02-2006

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Sunday, September 02, 2007 - 11:50 am, by:  Ashley Leach (Ashlar) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Nice to see how this has turned into an oil debate... my 2c is just use 10w40 or 15w50 depending on what your comfortable with. It doesn't seem to matter what you use as long as you change it every 5000kms with a new oil filter! My car uses very, very little oil.

In actual fact all engines should be using a little according to my Toyota handbook. If it's not there could be something wrong somewhere.

On another note I took my car back to Toyota to get them to have another look at it. They are adamant that it's just the injectors echoing through the headers. They tested it at cold start, there is no knock and basically I can deal with it or but a new set of injectors because they are not confident that cleaning them will do anything.
Peter Nitschke
JunkFilterer
South Australia
GT4.0 V8

Posts: 8341
Reg: 11-2004

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Sunday, September 02, 2007 - 03:39 pm, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Didn't you have the noise before you fitted the headers though?
Ashley Leach
DieHard
South Australia
GT Limited UZZ31 V8

Posts: 749
Reg: 02-2006

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Sunday, September 02, 2007 - 05:24 pm, by:  Ashley Leach (Ashlar) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yes and No.
That could have very well be the valve clearances as well as the injectors. It was no where near as loud before I put the headers on.
Peter Nitschke
JunkFilterer
South Australia
GT4.0 V8

Posts: 8342
Reg: 11-2004

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Sunday, September 02, 2007 - 09:01 pm, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Ahh.. OK, that's a bit of a clue then.

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