201fireman Posted December 28, 2019 Share Posted December 28, 2019 Going from 355 to a 489 in my 72. I currently have a 2 row radiator with dual electric fans. I believe I will need to get a bigger radiator but not sure which one would be the best option. Any thoughts or ideas? 3 row? 4 row? Brand? Part number (if you have it)? Quote Link to comment Share on other sites More sharing options...
imr Posted December 28, 2019 Share Posted December 28, 2019 4 core you will never have to up grade. now do you want an original look or aluminum Quote Link to comment Share on other sites More sharing options...
MC1of80 Posted December 28, 2019 Share Posted December 28, 2019 I recommend a 4 core brass old school radiator or of going aluminum's 2 row, 1inch tube should be good also. To be positive, call a radiator manufacturer and see what they recommend. I have an old school 4 core in my SS and an old school 3 core in a 402 car and both cool fine. Quote Link to comment Share on other sites More sharing options...
Paul Bell Posted December 28, 2019 Share Posted December 28, 2019 The most efficient radiators have two rows that are 1 or 1-1/4 wide each. The aftermarket offers some good choices, my Griffin radiator is decades old and never gave me a moments problem. If you're using an automatic transmission, consider and external stacked plate style cooler, not an factory style cooler tank in the radiator tank. Quote Link to comment Share on other sites More sharing options...
201fireman Posted December 28, 2019 Author Share Posted December 28, 2019 Thanks guys. I do not care if it looks original as I am going from a 355 to a 489 and I have electric fans and all that jazz so original look went out the window a long time ago. As far as the cooler, that was my next question. I am going from a TH350 with a 3000 stall that uses a cooler in the radiator as well as the cooler I put in the link below (goes into one, then to the other, then back out to the trans). I am putting in a TCI TH400. Would the B&M cooler (link below) still be enough if I get a radiator without a cooler and just go with that one? I appreciate all of the input guys! https://www.summitracing.com/parts/bmm-70264 Quote Link to comment Share on other sites More sharing options...
Paul Bell Posted December 28, 2019 Share Posted December 28, 2019 Yes, that's a great trans cooler. It'll cool better that any OEM in-tank cooler. Any truck that has a heavy duty transmission cooler it's outside the radiator. Quote Link to comment Share on other sites More sharing options...
201fireman Posted December 28, 2019 Author Share Posted December 28, 2019 Gotcha, so I am ok to look for a radiator without a cooler. That makes it a little cleaner anyway. Quote Link to comment Share on other sites More sharing options...
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