When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
The factory one should be good, unless you race alot.
What he said. Once you put a high stall converter in there might be a good idea to add some additional cooling. My setup runs through my stock cooler as well as a smaller B&M piece.