Mach 1/Bullitt intake manifold

[K4fxd]

I looked at some Pics of Mach 1 engines and Ford did keep the gen 2 IMRC controls. I don't know why the tune parameters are for a gen 3. Ford might have done like the tuners and just made the ECU happy.

I would suspect the Mach/Bullit cars have an adapter harness from the factory. This should be available to purchase. I would contact @LevittownFordParts

or find a wrecked one in a bone yard and take the harness.

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[91gt331sc]

@91gt331sc

Are you sure that is a Mach 1/Bullit manifold? It looks to be a GT350 due to the gen 2 IMRC controls on the rear.

Yes sir. I removed it from a friend's 21 mach one. I had to re wire the imrc's. There is an extra blue plug on the back that the gt does not have.

 

[Nightmonkey]

Are you sure that is a Mach 1/Bullit manifold? It looks to be a GT350 due to the gen 2 IMRC controls on the rear.

To my best knowledge, GT350, Bullitt and Mach1 have the same intake manifold?

 

[91gt331sc]

Yes sir. I removed it from a friend's 21 mach one. I had to re wire the imrc's. There is an extra blue plug on the back that the gt does not have.

That is a picture someone sent me to help figure out the wiring. I could not find any adapters like this so I cut off my old plugs and hard wired the correct plugs onto my harness. The mach one does use a different engine harness. It is also different up front for the evap/purge. I ended up plugging the one in the manifold behind the throttle body and just using the stock gen3 evap. I removed this intake from a mach one when I put a whipple on for a friend so I was able to compare both engine harnesses.

 

[91gt331sc]

To my best knowledge, GT350, Bullitt and Mach1 have the same intake manifold?

Mach one and bullit manifolds use an updated imrc system. You can see there is not the external vacuum line running down the passenger side of the manifold like on a gt350. It is suppose to help the imrc work on a gen3 coyote.

 

[NGOT8R]

To my best knowledge, GT350, Bullitt and Mach1 have the same intake manifold?

Yes they do.

 

[NGOT8R]

Just lock out the IMRCs and there will be no need to worry about the connectors. Of course your tuner will have to turn them off in the tune.

That’s what I did to declutter my Bullitt intake manifold and engine bay.

 

[Nightmonkey]

Mach one and bullit manifolds use an updated imrc system.

But this are only bolt-ons, right?

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