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Old 04-17-2014, 01:10 AM   #1
Adger Smith
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Default Re: What Head Gasket

Use a 1010 it pulls the fire ring back from the edge of the cylinder more and heat doesn't get to them as quick. Make sure that the chamfer on top of the cylinder is not too wide and getting into the edge of the fire ring. Lay the gasket on the head and check fit of the chamber. Extra porting might have chamber overhanging the fire ring. It can't seal when it is out in the combustion chamber heat.
Re torqur after the first days usage. I mean Torque it properly, don't just set the clicker and drop it on and pull till it clicks. Back each bolt up 1/4 to 1/2 a turn and in one pulling motion keep the bolt moving until it clicks. Torque should be reached while the bolt is moving. You are reading torque that way and not static friction loads of under the bolt head and the threads. Last...back the timing up from the 36 or 38 you probably have it at and keep it around 32-34 max.
Good luck
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Last edited by Adger Smith; 04-17-2014 at 01:12 AM. Reason: sp, again!
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Old 04-19-2014, 09:07 AM   #2
tafc10
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Default Re: What Head Gasket

As always thanks heaps for the info, particularly Adger cause when I pulled it apart the energy needed to loosen the bolts was all over the place...in other words some bolts were tight and others, well you get my drift.

We also put new ARP Head and intake bolts into it, for the $120 it was cheap insurance, will report the results.

And to those following (laughing lol) our exploits the BB car with the throttle stop has yet to work properly since the last exploit, we figure it's fixed now and just gotta wait till we can do a lap or two.

Again thanks heaps for ALL your help.

Geoff in Sydney AUSTRALIA
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Old 04-19-2014, 10:46 PM   #3
MAURICE BLENDHEIM
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Default Re: What Head Gasket

Geoff…I've drilled and tapped the steam holes to 5/16 NF and Locktite Gr-8 studs (plugs) into the block and deck it flat. If the heads don't have the holes you don't need them in the block. Use a Cometic gasket with the iron head you should never have the problem again. MB.
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