85TA's 400sbc

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@Quik83Z

U sure it’s a 4 bolt? Most two barrels were two bolt.

Summit has a direct-fit radiator for third-gens.

http://store.summitracing.com/partdetail.asp?autofilter=1&part=SUM-380455&N=700+0&autoview=sku

I have one in mine and it works great on the 408. Not too bad on the price either.

i have done alot of research on a 400, and if it came out of a 71- 72 impala its a 4 bolt main.