Head Bolt Question
Pro
Joined: Apr 2009
Posts: 650
Likes: 1
Do2g,
You need to use a sealant on all the head bolts so coolant doesn't creep up the threads and start to leak. I think some forum members had issues with the ARP sealant. Search for head bolt leaking coolant. You will find some hits on the subject.
Good luck.
You need to use a sealant on all the head bolts so coolant doesn't creep up the threads and start to leak. I think some forum members had issues with the ARP sealant. Search for head bolt leaking coolant. You will find some hits on the subject.
Good luck.
Melting Slicks
Joined: Jun 2009
Posts: 2,709
Likes: 3
From: Savannah GA
If the torque spec calls for "wet" torque, I believe the place for that lube is on the threads themselves. A thread sealer would suffice, and I can't imagine that the drag of the bolt head against the head or thrust washer would influence final torque by much. I am prepared to get educated though!
Safety Car
Joined: Oct 2005
Posts: 3,570
Likes: 1
From: Algonac Michigan
I would think any type of lube under the head of the bolt to obtain a accurate torque reading would be adequate. I use just a dab of assembly lube and smear it around the shoulder of the bolt and the washer when applicable.If I read your question accurately.
You didn't specify where the bolt is being installed.
You didn't specify where the bolt is being installed.
Le Mans Master
Joined: Dec 2003
Posts: 5,727
Likes: 38
From: Fremont CA
Use the ARP thread sealant for proper torque values.
Link: http://www.jegs.com/i/ARP/070/100-99...oductId=744898
Link: http://www.jegs.com/i/ARP/070/100-99...oductId=744898
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Motor oil is fine if you use stock TQ specs. ARP sealant will do well too. Or GM or any of the other thread sealants.
Be careful using ARP lube though because it is slippier than regular oil and you will need to adjust TQ specs so you don't stretch fasteners. It's best used with their fasteners along with the specs for that lube.
JIM
Be careful using ARP lube though because it is slippier than regular oil and you will need to adjust TQ specs so you don't stretch fasteners. It's best used with their fasteners along with the specs for that lube.
JIM
Thread Starter
Pro
Joined: Dec 2004
Posts: 534
Likes: 2
From: Connecticut
I would think any type of lube under the head of the bolt to obtain a accurate torque reading would be adequate. I use just a dab of assembly lube and smear it around the shoulder of the bolt and the washer when applicable.If I read your question accurately.
You didn't specify where the bolt is being installed.
You didn't specify where the bolt is being installed.
Le Mans Master
Joined: Nov 2008
Posts: 5,691
Likes: 12
From: columbus oh
I would think any type of lube under the head of the bolt to obtain a accurate torque reading would be adequate. I use just a dab of assembly lube and smear it around the shoulder of the bolt and the washer when applicable.If I read your question accurately.
You didn't specify where the bolt is being installed.
You didn't specify where the bolt is being installed.
.....especially use the washers and thread sealant too.....