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Old 11-11-2013, 12:59 PM
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i like the alum rad's.. i might add that when my bucket rad went south i got one from "champion radiators". 3 core welded and a LIFE TIME WARRANTY. ebay is where i found it.. when my truck rad pooped out i went to champion for one but there were 2 months behind getting them out.. so i got copper.. but if they had one i'd have alum in it now.. i got the non-polished one and polished it my self.. turned out very nice.

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Old 11-11-2013, 01:24 PM
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Originally Posted by gearheadslife View Post
bigger issue is shops that can recore an older unit.. or fix them..
many have gone away.. it wasn't that long ago that there was at least one shop in every town around here.. now I think there is 1 within 30 miles .
Hell my nearest town is 30 miles LOL There are still a lot of radiator shops around here but many of the old timers have retired and closed shop!

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Old 11-12-2013, 05:49 AM
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The electrolysis factor is evident in either type of radiator due to the coolant being exposed to different metals , radiator, block, manifold etc.
Aluminum rads have wider tube widths which allow air to pass over a wider surface area which helps reduce heat from the coolant flowing thru them.
Aluminum rads also come in different tube widths which is determined on how much HP you plan to run............rule of thumb is 2 rows of 1" tube for up to 400HP.........2 rows of 1.25" for 400-600HP.........and 3 rows of 1" or 2 rows of 1.50" for 600 and up or blown or turboed motors.
This is not etched in stone but is a gauge in making sure you get the proper radiator for the amount of heat you plan to make...remember HP=heat.
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