Comparing GEN 3 Coyote Engine to Gen 2 Coyote Engine: Which Prevails and Why?

[Unas2k5]

Which is the better engine? Pros and cons.

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[Silver Bullitt]

Here’s a pretty good read on the Coyote. You can decide for yourself.

https://www.motortrend.com/how-to/depth-look-evolution-coyote-engine/

 

[ice445]

The best one is the one you own lol

 

[Skye]

Attached is an evolutionary reading, from Gen 1 to 3.

 

[EFI]

Technically the Gen 3:

better efficiency from the higher compression
better charge cooling and knock suppression from the DI
better knock control from 4 knock sensors
better flowing intake and heads, bigger cams
bigger and longer head bolts
better damper
more oil

The only questionable thing might be the strength of the sleeves, but besides that everything else is equal and/or better than the Gen 2 or 1.

 

[HKusp]

Attached is an evolutionary reading, from Gen 1 to 3.

Excellent information. Thank you Skye.

 

[engineermike]

The gen2 sure looks cooler. Between the dumb gen3 engine cover and gdi pump, it’s ugly. The gen2 might be a better choice for a street rod.

But another thing most don’t know is that the engine controls made a huge upgrade in 2018. The knock sensing and control algorithms and injector control are way different. The logic relationships around flex fueling and load limiting are probably 5x more elaborate and capable. The calibration files are literally twice as big. Even adding the fuel pressure sensor in the rail, feedback fuel pump control, and injector pw correction for actual fuel pressure is a game changer.

 

[horsepower addiction]

The GEN 3 is the better set up until you start breaking into the 900 hp range and then the gen2 is better

 

[HKusp]

The GEN 3 is the better set up until you start breaking into the 900 hp range and then the gen2 is better

What makes you say that?

 

[EFI]

900 hp range and then the gen2 is better

900+ hp on the shorty 11mm headbolts

 

[Snakebyte]

Technically the Gen 3:

better efficiency from the higher compression
better charge cooling and knock suppression from the DI
better knock control from 4 knock sensors
better flowing intake and heads, bigger cams
bigger and longer head bolts
better damper
more oil

The only questionable thing might be the strength of the sleeves, but besides that everything else is equal and/or better than the Gen 2 or 1.

Am I correct that one of the benefits of the Gen 3 features over Gen 2 features is that regular fuel (87 octane I'm speaking of) is optional for the Gen 3, but required per Ford for the Gen 2??????

 

[EFI]

Am I correct that one of the benefits of the Gen 3 features over Gen 2 features is that regular fuel (87 octane I'm speaking of) is optional for the Gen 3, but required per Ford for the Gen 2??????

I think all of them *can* run on 87, but 91+ is recommended. While the Gen 2 doesn't have DI to help with knock, it does run a full point of compression less than the Gen 3 so it can deal with low octane fuel. It also still has a very robust computer that can adjust for lesser octane and such

 

[rolfe.oliver]

Gen 3 bottom end I prefer for the 12:1 compression. I prefer gen 2 for not messing with the DI. Also the cam reversion issue is still an intermittent issue with gen 3s.

There is a reason people love throwing gen 3 bottom ends in cars for safety (mainly gen 1 guys)

 

[junits15]

I think all of them *can* run on 87, but 91+ is recommended. While the Gen 2 doesn't have DI to help with knock, it does run a full point of compression less than the Gen 3 so it can deal with low octane fuel. It also still has a very robust computer that can adjust for lesser octane and such

I am actually surprised to learn gen 2 was PI, I thought it was DI and the PI was added to the Gen 3.

Ford held onto that longer than I would have expected

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