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using the 6.1 intake manifold on the 6.4?

10K views 11 replies 6 participants last post by  Passmg2 
#1 ·
i traded in my 2007 and got a 2014. i still have the 6.1 intake with the 90mm throttle body, what would need to be done to make it wont on the 6.4?
 
#5 ·
You will need tuning to make it work. The 90mm TB will not work but your 6.4 TB should bolt up. I have a 6.1 intake on my 2013 Challenger 6.4 based 426 stroker with an Arrington 85mm TB. If I remember correctly that setup added about 30rwhp over the 6.4 intake and ported OEM TB but my engine is heavily modded with a big cam.

AJ Berge (Hemituner) can do an email tune to make it work. He can also tell you whether it is worth doing on a basically stock 392. 516-603-9276
 
#9 ·
I had the stock 392 intake ported by Peak Speed and added a 88mm Arington TB. It added 18whp and 29ftlbs. Easy swap and an option for you.
I do not know what it would take, tuning/ECM, to run 6.1 manifold AND older (pre-2013) TB on a stock 392 engine.

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