I am replacing my stock 3 row Harrison BB radiator with an Alumitech. I assume the radiator hose size will not change ? In ordering the rubber supports that the radiator sits on, I see they offer a 3 row or 4 row size. I also assume the 3 row is correct ?
Thanks.

I am replacing my stock 3 row Harrison BB radiator with an Alumitech. I assume the radiator hose size will not change ? In ordering the rubber supports that the radiator sits on, I see they offer a 3 row or 4 row size. I also assume the 3 row is correct ?
Thanks.

Sent you a e/mail

the 3 row headers of the brass copper stock rad were 2.5 thick front to back
Alumitech headers are 3.0 inch As all aluminum cores are built this way .. you have 2 choices of what to do here.. you can replace the rubber saddles with 4 row style or utility knife the additional 1/8 inch off the snug areas of the 3 row set ... for the 3 inch header of the aluminum rad

I think some folks here with worn old 3 row saddles have said it drops right in ???



Don