Welcome to the Mustang 428 Cobra Jet Registry!

Stock 428 Cobra Jet and Super Cobra Jet Engine Specifications

Bore4.130 inches
Stroke3.984 inches
Horsepower1968: 335 brake horsepower @ 5600 RPM
1969-1970: 335 brake horsepower @ 5200 RPM
Torque1968: 445 foot-pounds @ 3400 RPM
1969-1970: 440 foot-pounds @ 3400 RPM
Compression Ratio10.6:1

Note: the search utility on this page searches the pages that make up this web site, but it doesn't search through the registry forum database. If you're looking for something posted in the registry forum you should use the registry forum search interface instead.

The Mustang 428 Cobra Jet registry project is not related to the Ford Motor Company, Inc.

Logo design by Marc Tescione. Engine photograph courtesy of Jerry Heasley.

Is a "Q-code" a Cobra Jet and an "R-code" a Super Cobra Jet?

There's a common misconception that the 5th character in the Vehicle Identification Number (VIN) can be used to determine if a car is equipped with a Cobra Jet (CJ) or Super Cobra Jet (SCJ) engine. The myth is that Q-codes are CJs and R-codes are SCJs. In truth, these codes identify the type of induction system installed during factory assembly. 1968 - 1970 428 CJs and SCJs that were equipped with standard air cleaners are identified by the letter "Q". Ram air induction is identified by the letter "R".

2014 Registry Calendar Now Available!

2014 registry calendars are now available for $16.99 each! They can be ordered directly from CafePress:

http://www.cafepress.com/428cobrajet.593530920

Other items (shirts, mugs, hats, etc.) in the registry store can be seen here:

http://www.cafepress.com/428cobrajet

CafePress runs sales on a regular basis. Here's a list of current coupon codes:

http://www.cafepress.com/+extravaganza+gifts

Shameless plug: I've got other muscle car stuff in a different for-profit store if you're looking for more gift ideas:

http://www.cafepress.com/musclecarres

Note: I don't do any order taking, printing, keeping of inventory, delivery, or returns for any of these items. They are all "print on demand" and CafePress handles everything. Follow the instructions on the CafePress web site to make your purchases.

2013 Carlisle All Ford Nationals

Members of the Mustang 428 Cobra Jet Registry met at the 2013 Carlisle All Ford Nationals in Carlisle, Pennsylvania. The event ran from June 6 - June 9, 2013. We usually get rained on at least once, and this year was no exception. Member donations covered the cost of a club tent (thanks!). This picture was taken on Saturday June 8th.

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