Aluminum radiator on Denali

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Fless

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You want to take a close look at aftermarket radiators. People have had trouble with them because they usually don't include the restrictor on the hose that returns to the surge tank, and the trucks don't warm up properly. Then some kind of restrictor has to be rigged.
 
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EfiniMotorsport

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I found it on rock originally for less but couldn't copy the correct link from there. I'm just wondering what issues I may run into. Aside from leaks the only other thing that can really go wrong with an aluminum radiator is something internal not working right (like the lack of a restrictor) Otherwise I've never had an issue with them.
 

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I found it on rock originally for less but couldn't copy the correct link from there. I'm just wondering what issues I may run into. Aside from leaks the only other thing that can really go wrong with an aluminum radiator is something internal not working right (like the lack of a restrictor) Otherwise I've never had an issue with them.
I at one point was looking for a aluminum one myself I was checking with a local shop that has been in business a very long time, all they do is radiators period. they told me the all aluminum ones will usually begin to leak within 2yrs and did not recommend them, they said they do a lot of repairs on the all aluminum ones and can sometimes fix them and sometimes can't.
I ended up getting one from 1800radiator (a regular one), 1 2/3" thick, oil cooler/trans cooler, actually has a drain ****, lifetime warranty.
 

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