I would media blast if all possible or get it hot tanked. I like using Sherwin Williams GBP 988 etching primer in aerosol before paint. And yes, automotive paint will hold up just fine on the block, can't say that for the heads.They will need high-temp paint.
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Stefan B. Do what's right,not what's easy!
Elite Custom Body
1998 Supra APU 6spd
2007 TBSS
1998 GS400TT widebody
1969 Firebird
1979 Firebird LS3,DSE,Baer
1938 Dodge LC pickup
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