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AllThumbs
11-30-2010, 13:02
I know this has been beat to death in lots of other threads, but as of right now, what is considered the best intake for the 6.5 TD? I'm currently using the OEM air box with an Amsoil filter. Last oil analysis was pretty good, but is this going to restrict air flow when I get finished with my upgrade project?

6.5 Detroit Diesel
11-30-2010, 20:16
there isn't really much in the way of a good CAI on the market for the 6.5.
most places will charge you $250+ for a system that put the filter closer to the turbo.

right now, the best bang for your buck is probably still just opening up that stock snorkel.

handcannon
11-30-2010, 22:39
From everything I have read the stock K47 airbox off a 1997+ GM diesel is about as good as it gets, once you delete the snorkle.

Don

AllThumbs
12-01-2010, 00:55
I have been giving serious consideration to the 97+ air box but the interesting thing about that is that Amsoil has the same filter # for all 6.5 TD from about 92 on. Since my understanding is they are not even close to the same, I'm wondering what that is about.:confused:

AllThumbs
12-03-2010, 00:29
Sometimes you get lucky. I scored an airbox from a 98 6.5 TD at the local bone yard for $5. Had to dig it out of the snow in the back of a pickup they were tearing down, but it will clean up nice. It is in very good shape. Sometimes you just get lucky. It does look like a major improvement over the old one. :D