Gm 990 or 188 rectangle port head

General engine tech -- Drag Racing to Circle Track

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Frankshaft
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Gm 990 or 188 rectangle port head

Post by Frankshaft » Sun Nov 05, 2017 1:57 pm

Anyone have 1 of them un cracked laying around collecting dust they want to get rid of? No porting, preferable minimal valve jobs. The mopar J head thread inspired me. I have 1, the other wad cracked, go figure. Have a F.A.S.T project. Thanks

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