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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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supra and chaser 1jz sumps & oil levels
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Wed, 16 April 2003 04:59
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I heard it mentioned on another thread that when you change 1uz oil sumps (say from mid to rear) then you also need to change dipsticks, as the oil levels change.
I was wondering if the same is true of a 1jz. I've got a supra 1jz with a chaser sump on it, and I'm fairly certain the dipstick etc is all from the supra 1jz.
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Location:
gold coast
Registered:
May 2002
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Re: supra and chaser 1jz sumps & oil levels
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Wed, 16 April 2003 10:02
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They have totally different length dipsticks and tubes.
I have both sumps on the shelf and was amazed that there was a difference.
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: supra and chaser 1jz sumps & oil levels
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Wed, 16 April 2003 13:24
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ah.
er.. hrm. crap.
do you know which would read higher on the dipstick?
'cause if the supra one would read lower, that would explain my oil usage problem very easily, without pulling it apart to look at the valve stem seals. would be a simple matter of too much oil.
(in which case, I've probably done a deal of harm to the seals regardless)
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Location:
gold coast
Registered:
May 2002
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Re: supra and chaser 1jz sumps & oil levels
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Wed, 16 April 2003 13:48
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I will measure them for you tomorrow(thurs) so you can check what you have.
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: supra and chaser 1jz sumps & oil levels
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Wed, 16 April 2003 13:55
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much appreciated 
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Location:
gold coast
Registered:
May 2002
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Re: supra and chaser 1jz sumps & oil levels
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Thu, 17 April 2003 13:03
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Top one is JZA 70, Bottom is JZX81.
Effective Length JZA70: Stick = 557 mm Tube = 490 mm
Effective length JZX81: Stick = 585 nn Tube = 530 mm
If you use a chaser tube and stick in a JZA 70 you will have 12mm less oil height. If you swap back the other way you will have 12mm too much.
Dipstick Eff length is from the tip to where it seats on the dipstick tube.
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Location:
Casino
Registered:
August 2004
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Re: supra and chaser 1jz sumps & oil levels
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Fri, 10 December 2004 12:17
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AHhh Found it!
Now just to make sure, I have a front sump using the JZZ30 rear sump dip stick, am I right in asuming that this will indicate 12mm too much oil?
Cheers
Ben
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Location:
Melbourne
Registered:
November 2004
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Re: supra and chaser 1jz sumps & oil levels
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Sat, 11 December 2004 02:51
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easier way is to just find out how much oil is needed for the motor you have
then its simply just a matter of measuring how much oil you are putting in 
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