[Supras] So, now that I'm getting through again (Was...Changing plugs 7M-GE)

[Michael Green]

Personally, I will not allow anything to fall into the combustion chambers. 
Oil pooled in the plug wells will collect all types of contaminates.
When the cam covers are removed, the head bolts will be accessible. The 
stock bolts are hex head (also known as allen cap screw). They require, if I 
remember correctly, a 10mm long hex bit socket.
Stock bolt torque is 56 ft lbs. I think Reg Riemer did some research and 
came up with a maximum torque value, for stock bolts, of 72 ft lbs. The 7M 
is known for head gasket failure. Torque the bolts to 72 ft lbs. This MAY 
reduce the chance of a blown head gasket.

Mike Green





>From: supraman88 <supraman88 at verizon.net>
>To: supras at supras.com
>Subject: [Supras] So,now that I'm getting through again (Was...Changing 
>plugs 7M-GE)
>Date: Fri, 05 Jan 2007 10:50:01 +0000
>
>I managed to to get the air inlet off without removing the entire
>intake, like the Haynes manual suggested. NOW, I removed plug #1. Before
>I did, I wanted to check for oil in the 'valley' like some have
>suggested.
>
>Yup...about 1/2" of oil, and I pulled the socket out before removing the
>plug, and it was RUNNING off the socket! I did remove #1, but let the
>oil drain into the cylinder. (I also figured out why the TSRM and the
>Haynes said "Drain the coolant". I didn't but it wasn't a problem.)
>
>Do I *NEED* to remove the oil, or can I just let it run into the
>cylinders? I am also going to replace the Valve Cover Gaskets (I am
>assuming this is the reason for the oil in the first place, and at least
>the one on the passenger's side is leaking badly). Anything I need to
>know?
>
>I'm no genius, but I used to work on Space Suits (EMUs, in the
>'business') so I'm not a dummy, but I have never checked valves before,
>and I want to have a look at things while I have the intake off. The
>other question was, is there a way to check head bolt torque with the
>valve covers off?
>
>Any assistance is appreciated!  Thanks!
>
>
>
>
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