Hello i just had my trans rebuilt a few months ago on my 96 ram 1500 with the 318 and iv done everything drilling out the check ball to drilling out the lock up plate in the trans all i want to do now is add an external cooler can someone give me some advise on were to get one and how to install one using the stock cooler lines thanks in advance

 

Just about anywhere that sells auto parts, will sell trans coolers. Get on meaner than what you think you will need. Should come with easy to follow instructions.

 

Also plenty of videos on you tube showing how to install one.

 

like heyyou kind of mentioned, get the largest cooler you can afford.