Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 77scottsdale, Apr 22, 2007.
will 97 lt1 heads fit on a 92 l05 350
LT 1 heads are designed for a reverse flow cooling system. They will fit but you have to do some work on them to make the cooling system work right. not really worth the drilling and coolant port work IMHO.
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