1HZ Valves. If you havent had them shimmed and they are due, have it done!
Submitted: Friday, Apr 11, 2008 at 20:54
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Matt(WA)
Hi all.
I have a 80 Series GLX with a 1HZ and turbo and inter cooler(safari). I have just had my valve clearances' done(valves shimmed) and if you 1HZ is due all I can say is have it done. It has made the engine so much more quiet and seems to have added a little more response. So what can I say get them done, you wont be disappointed! Going for a run up too
New Norcia and
Lancelin over the weekend to give it a
test run. Have a good one and go the BLUES!!!
Cheers and Beers
Matt
Reply By: nowimnumberone - Friday, Apr 11, 2008 at 21:02
Friday, Apr 11, 2008 at 21:02
funny you should say that yesterday i reshimed a 1hz in a 75 series ute(all out) and the owner came back today to tell us his car has never gone this good
cheers
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Follow Up By: Matt(WA) - Friday, Apr 11, 2008 at 23:30
Friday, Apr 11, 2008 at 23:30
Yeah its amazing. I have worked on huge diesels and have never thought that this would make such a big difference.
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Reply By: Member - David P (VIC) - Friday, Apr 11, 2008 at 21:04
Friday, Apr 11, 2008 at 21:04
HOT PIES
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Follow Up By: Richard Kovac - Friday, Apr 11, 2008 at 21:32
Friday, Apr 11, 2008 at 21:32
your only new to the member thing David?
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Follow Up By: Member - David P (VIC) - Friday, Apr 11, 2008 at 22:48
Friday, Apr 11, 2008 at 22:48
BLUES/PIES
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Follow Up By: Richard Kovac - Saturday, Apr 12, 2008 at 02:57
Saturday, Apr 12, 2008 at 02:57
So that means yes.. ;-)
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Follow Up By: Member - David P (VIC) - Saturday, Apr 12, 2008 at 08:40
Saturday, Apr 12, 2008 at 08:40
Bloody Vic ... :-)
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Reply By: Tim Owen - Saturday, Apr 12, 2008 at 08:51
Saturday, Apr 12, 2008 at 08:51
How often should this be done Matt?
Just lazy - can't be bothered trying to find the w'
shop manual I have somewhere.
Tim
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Reply By: Member - Zig (WA) - Saturday, Apr 12, 2008 at 09:43
Saturday, Apr 12, 2008 at 09:43
Did you do this yourself or did someone do it for you?
I have a 1Hz with a Safari turbo/Intercooler as
well.
I have been thinking about doing it/getting it done myself. Sounds like it's worth doing.
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Follow Up By: donk - Saturday, Apr 12, 2008 at 10:32
Saturday, Apr 12, 2008 at 10:32
It is not hard to do but there is a Toyota (although you could probably improvise something) special tool that is used to hook under the cam & depress the lifter to remove the shim & there is a large range of shims available (can't remember exactly remember how many but probably around 20 & from memory they around $16 each new )
What you need to do if you haven't got a range of shims available is remove the tappet cover &
check the clearances & any that are not in spec (normally they will be tight) you need to remove the shim,measure it & order the correct size shim to bring it back to spec
This can mean either leaving it apart till the shim arrives or sticking it back together & pulling it apart later on
A bit of a trick to get the shim out is to puff a bit of compressed air in between the shim & the lifter that it sits in through the notch in the side of the lifter & this will cause the shim to pop up & than remove it out with a magnet
Regards Don
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Follow Up By: Max - Sydney - Saturday, Apr 12, 2008 at 18:17
Saturday, Apr 12, 2008 at 18:17
I tried to do it myself (1HZ no turbo), but because of the complexities that Don mentioned, I ended up going to a 4WD mechanic who had the gear and the shims. Its amazing the difference it made - I got it done at 100, 180 and 240 thousand, and by the last it was not moving much at all. The first couple are vital though.
Worth doing
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Reply By: Member - Leigh (Vic) - Sunday, Apr 13, 2008 at 17:58
Sunday, Apr 13, 2008 at 17:58
And the Blues just creamed em! A great game to be at!
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