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Author Topic:   462624 Chevy Heads prone to cracking?
David Fowler
Dirt Newbie

Total posts: 4
posted July 31, 2002 11:39 AM
In the tool box here it says these heads are crack prone!! Where do they crack and is there anything to do to prevent this? I am lookin at purchasing a SBC 400 with these heads on them! Your input would be great!

tboy30
Dirt Newbie

Total posts: 2
posted August 01, 2002 11:47 AM
The 624 heads are a thinner casting.There is nothing you can do to fix this.

If you do decide to run them, keep your motor running cool.We run a set of 624s for 5 years.I still have the heads stored in my shed.We keep our temp around the 200 to 210 mark.

Hope this helps.

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