Can I use S550 exhaust cams in 11-14?

974 Views 3 Replies 3 Participants Last post by Dextas' Stang, May 15, 2017

Dextas' Stang

Discussion Starter · May 11, 2017

Hi all,

I've got a new crate engine in my 2011 Coyote. It's got the 2015 cams/Phasers/chains etc.

I've been told I need to change back to 11-14 VCT for the engine to run properly. I keep getting bank 1 and 2 intake cams over retarded codes.

I've heard that the S550 exhaust cams can be used with the 11-14 so I don't need to change them, is this correct? Or do I also need to change the exhaust cams for 11-14 ones?

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dt2010gt

· #2 · May 13, 2017

The S550 uses a different computer (better). If you are running your 2011 computer I think that is the problem. The S550 computer has fewer problems throwing codes or approaching the rev limiter - allows for higher rpms on a tuned engine.

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Blazin72

· #3 · May 14, 2017

You'll need the 2011-2014 phasers at a minimum. They are not the same as the 2015+.

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Dextas' Stang

Discussion Starter · #4 · May 15, 2017

Yeah the Phasers and intake cams are a definite. And the chains + sprockets.

Just not sure on the exhaust cams. Heard some people say they can stay and some people say they need to be changed. Need to get a definite answer as I'm not ripping my engine apart twice haha!

Anyone know?

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