A Change in Direction....

Kerry & Kathy

Member #007
Location (City)
Fredericktown, Farmington and Viburnum MO
First Name
Kerry
Last Name
Owen
After a lot of time, money, parts purchased and one reality check...the plans for our Cobra have changed.

Our original plan of building an all aluminum Paxton Novi Supercharged 4.6 DOHC roadster was simply going to be too much additional time spent building the drivetrain and not enough time spent on the road.

Plus...Bob Monks convinced me that 675-700 RWHP in a 90 inch wheelbase on hard DOT street tires was not a warm and fuzzy combination for 68 year old reflexes.

After a eye opening ride in his stock 3800 lb 420 HP Coyote automatic...I was a believer.

Kathy and I want a car for driving...and participating in more club activities in a Cobra...and not in an Acura RSX or some other poor substitute.

And...a high maintenance labor intensive car was not what we both wanted.

My racing days are over....

I have seen how some high maintenance cars in the club have driven owners to lower maintenance options... just due to the frustration that pseudo race cars can demand.

So...with Kathy's support and with considerable influence from Bob Monks...our plans for the car have changed....and measurable progress has been made this month.

After considerable research and four months chasing a suitable drivetrain...I am now in possession of a 2014 Coyote DOHC with 27K miles and a 2014 6R80 six speed automatic with 1825 miles. The torque converter is at Circle D Specialties in Texas being cut open and modified for a 500 rpm higher stall and internal strengthening. The six speed transmission is designed for paddle shifters and has a torque rating of 950 ft lbs.

No one has yet installed 6R80 in a F5 frame...so there may need to be some modification of frame structure to get it to fit...but initial measurements suggest it will with minimal modification.

It is noteworthy that this engine is a flex fuel model that will run on any unleaded fuel above 87 octane as well as E85. It should offer some added fuel options when on longer rural cruises.



The engine with all covers removed:

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The 6 speed 6R80 as purchased:

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So...

If any of you have friends looking to buy a LOT of 4.6 DOHC Modular Ford Teksid Aluminum engine blocks...4V heads...cams...intakes...forged cranks...forged pistons...forged rods...ARP hardware...new 4R70 transmission...New PA high stall torque converters...New Paxton Novi 2000 Centrifugal Supercharger...and many other parts.......send them my way.

At some point I will likely need some extra hands to assist in trial fitting the larger transmission to the frame. But it will be later this year....in between construction on the new house.

Any volunteers...?

:)
 
I think you have made a wise decision. My only concern with the tranny is that it looks really long. Worry about driveshaft length being to short.
I would certainly come and help.
 
I can provide grunt...Keith, Rich and a few others are the brains of this operation :-) Sounds like a wise choice. Now, get started on wiring and you'll catch up with Rich soon! :D :p
 
I think you have made a wise decision. My only concern with the tranny is that it looks really long. Worry about driveshaft length being to short.

Surprisingly... the 6R80 auto is shorter than any other popular Ford automatic. The problem with the 6R80 is girth...not length.

I have personally driven a C4 transmission Cobra and the 6R80 is 2.93" shorter than a C4.
The 6R80 is also 3.37" shorter than a 4R70W / AOD /AODE

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6R80 Length

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The 6R80 is shorter than it might appear....

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Sounds like a good plan. I'll be interested in watching this come together.
 
We're in Perryville May 6 for the Mary Jane Burgers & Brews Home Brew Block Party.
Would be real easy for us to swing buy and check it out. We'd like to see that beast of a motor and hear more details.
Glad to see you are able to make some significant steps forward, lots of building going on these days! Very Cool!
 
We're in Perryville May 6 for the Mary Jane Burgers & Brews Home Brew Block Party.
Would be real easy for us to swing buy and check it out. We'd like to see that beast of a motor and hear more details.
Glad to see you are able to make some significant steps forward, lots of building going on these days! Very Cool!

The engine and transmission are at the farm shop in Viburnum....49 miles from the house here in Farmington and 92 miles from Perryville....

But here are some more recent pictures from the farm after I built a basic engine cradle to move the engine around the shop.


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Are the paddle shifters built in to a steering wheel or are they added to an existing one? Curious as to how much room is needed to clear the dash and ones belly and still having enough room for your arms to be comfortable while driving.
 
Are the paddle shifters built in to a steering wheel or are they added to an existing one? Curious as to how much room is needed to clear the dash and ones belly and still having enough room for your arms to be comfortable while driving.

On the 2013-and newer Mustangs the "manual" shift mode allows paddle shifting from the factory steering wheel...or an + upshift / - downshift from a rocker button on the side of the shift lever.

On after market steering wheels there is the option of using a wheel with integral buttons that must be hardwired through the steering column.
...or there is an aftermarket system that provides paddle's mounted to the steering wheel with a wireless signal generator that communicates with a small receiver in the trans tunnel that is attached to the same two circuits as the shifter rocker switch.

There are a couple of aftermarket options.

The actuation buttons can be very small...or...you can use paddles that are a bit larger but would not interfere with driver or dash.

The key ingredient is that the 2013 and newer 6R80 is internally built for electronic shifting...making the hardware to actuate it a relatively simple process.

You are not limited to using a Mustang Factory wheel...but that is an option.
 
Kerry, ran acrosse this article and thought you might be interested:
How to Build A Bullet-Proof Coyote Engine For 1000-Plus Horsepower

Thanks Mark for thinking of me...but with the exception of headers, billet oil pump and crank gears...this engine will remain stock for the street.

The modifications in that article was what had been planned on the 4.6 4V I began building...but realized was too much of a time and $$ sponge.

Just a set of 4V cams for the 4.6 were $1200. Forged pistons with rings were $850. Forged rods another $600. 32 valves another $400...

The entire running Coyote engine with complete wiring harness...alternator...A/C compressor...PCM... and all misc parts was $50 LESS than the above four items of 4.6 4V parts.

Bottom line...The stock Coyote makes more torque than a built N/A 4.6 4V...for a lot less $$ and time spent.
 
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Just received the report from Blackstone Labs on the oil analysis from my recently purchased 2014 Coyote engine.

The results are as good... if not better than I could have hoped for.

It would appear that due diligence pays off in researching the best available engine.

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