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Texas70 Sep 26th, 02, 6:53 PM I'm swapping a 6 cyl. for a 454. Car currently has a small radiator and 3 bolt cover plate across top of core support. I will be installing a 4 core radiator for the 454 and was wondering weather I need to replace the current core support or just modify it. Opening in core support is sized for air to flow thru to "small" (2 core?) radiator. Thanx, John sevt_chevelle Sep 26th, 02, 10:55 PM You will want to enlarge the opening in that support. There is a ridge that you can see were the factory would have made the opening for the larger hole. Just cut along that ridge. ------------------ 1970 chevelle 1970 chevelle SS455 not a typo its a buick baby 1949 and 1972 chevy trucks http://briefcase.yahoo.com/bc/sevt_chevelles Texas70 Sep 28th, 02, 8:27 AM I guess I can just run my nibbler along that ridge and smooth out that cut edge, a little POR-15 and I'll be in business. That's great news. P.S. I just bought an acrylic urethane primer/surfacer (light grey) yesterday and will be spraying in about a week. Thanks again Sevt_Chevelle !!! | ||