Re: Re: magnum heads all crack?

From: jay & dana (jay&dana@telus.net)
Date: Sat Dec 02 2000 - 19:04:31 EST


So is there a way to keep our combustion chamber temperature down then, I
don't think the 180 thermostat and Autolite 3923's would help much in this
situation ( or will they)?

Thanks in advance for any responses,
Jay

>Not necessarily, any engine can crack the head between the valves, or in
the
>exhaust seat, it's especially common in truck engines that get worked and
>loaded heavily. Sodium filled valves help some, they help dissipate heat
>from the seat. Lower coolant temps may help too, hard to say. I just did
a
>set of pre mag 360 heads that I had to put 8 intake seats in and 8 exhaust
>seats in, because they were cracked between the valves. Unless they leak
>it's usually fixable. More than anything it's just combustion chamber
temps.
>
>Luke



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