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Author Topic:   624 heads
Dirt Forum Champ
Total posts: 1565
posted December 30, 2002 11:54 PM UIN: 54865418
i know they aren't the best in the world but does anybody know what the ones with the big valves came stock on i got a 79 van given to me the other day and i popped the covers off to see the #'s just wondering if i got the good one or not before i gett it all torn down

rico 08
Dirt Freak

Total posts: 372
posted January 02, 2003 02:02 PM
Truck engines are usually never over 1.94-1.50 i had some off a van but a different cast# and they we're 1.78-1.50,and by the way 624's are supposed to be the worst bar none for cracking.

Dirt Forum Champ
Total posts: 1565
posted January 02, 2003 06:16 PM UIN: 54865418
ya i know about the duribility i was not going to run them just hoping they had the big valve so i could have a better chance of selling them i have a set with the smaller valves on ebay now been on there a month ever since i posted the valve sizes nobody has asked about them

[This message has been edited by racer17j (edited January 02, 2003).]

Dirt Newbie

Total posts: 2
posted January 12, 2003 03:00 PM
I have heard of the 624 cracking but i have also heard of some heads recalled (replaced ect..) on some camaro's of that era as well. same numbered head but with the 2.02's 161 cfm.

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