High Performance Classic Mini Cooper Engines

Off the Rack or Built To Suit
800-946-2642 For A FREE Estimate
and Get Started On Building Your Stock or Custom Dream Mini Engine



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Check out Engines_from_Mini_Mania to find the engine you need.
And Don't Forget our "WE SHIP IT AND YOU SAVE" Program!  Save big bucks on shipping and engine costs!

And if you have an idea of what you want, try our "Build Your Dream Engine" Tool.  Select your engine, performance parts and anything in between. We'll get your dream list and get back to you on how to make it a reality!



Mini Mania's Classic Mini  Engine  and Transmission - 1275cc  

From $3,000 to $5,000


Our 1275cc Power Unit is a Classic Mini engine rebuild assembly from Mini Mania and is guaranteed 12 month, 12,000 miles Both the Classic Mini engine and transmission have been rebuilt with our vast experience to insure the right combination of economy and performance; you get good performance at an economical price!

 

The transmission is the rod change linkage type that uses inboard CV joints & 3.44:1 final drive ratio. (Special order units with the older remote
shift and yoke outputs are also available!) Clutch, flywheel, and all covers are in place!

 

Ready To Install And Run!

Built for unleaded gas, these motors should produce between 65 and 75 horsepower (comparable to original Cooper "S") and are an easy connect to your existing intake/exhaust, cooling and electrical systems.

 

Components Include:

  • Cast Iron cylinder head, stock valves and 1.25 ratio rockers
  • Cast Iron pre-Verto flywheel with stock clutch
  • Street camshaft with standard lifters
  • Simplex timing chain with tensioner
  • Rod Change gearbox with 3.44:1 final drive


 1275inline Mini Cooper     For more details see: 1275cc Engine  or our complete 1275cc PowerUnit (Motor and Transmission)

 




Mini Mania's Classic Mini Motor- 1380cc   

From $5,000 to $12,000


The "Ultimate Street Performance Engine" from Mini Mania is the result of 30 years of building and racing our fabulous Mini Cooper. Because drivability and reliability are of utmost importance, only components from well-established suppliers are utilized.

 

These Mini motors are ready to bolt in and run, which means, of course, that they are already mated with transmissions.

Our Basic 1380 cc Mini motor includes:

  • Powermax 73.5mm squeeze-cast pistons
  • 10:1 Compression
  • Elgin custom ground camshaft driven by a new timing chain and gears.
  • A+ Block, Crank, and Rods for best big bore reliability
  • Our CAM103 set at 108º for best horsepower
  • Aluminum Alloy cylinder head with A+ 'sintered' rocker arms
  • Latest Rod-change gearbox with A+ drop gears
  • Standard ratio 4-speed with your choice of final drive gears
 For more details see: 1380cc PowerUnit  Motor


Mini Mania's "Killer Engine" Racing Motor


Let us build you a brand new "Killer" race engine that'll give you the edge you’ll need to put you in the Winner's Circle!  Built with the latest cutting-edge components that insure the best performance for the dollar.  

            Learn More about our "Killer Engine" Program!


Upgrades Worth Considering For Both 1275cc and 1380cc Mini Motors

 

Our expert mechanics in our Mini Engine Shop can walk you through the steps, suggesting options and performance enhancements to get you the get the Mini engine the way you want.


Classic mini engines for sale can be optimized by including any or all options below:

  • Camshafts
  • Distributors
  • Headers
  • Rocker Assembly
  • Exhausts
  • Carburetors
  • Flywheels
  • Gearbox Shifter

It all depends on what you’re looking for.

Used & Tested 1300 A+ Engine & Transmission


GET A GREAT DEAL ON USED/TESTED POWERUNITS

We offer pre-owned units that can easily be fitted to all models from 1959 forward. These engines are thoroughly tested by our Mini Mania Engine Shop for compression, oil pressure and blow-by and are an excellent alternative to a rebuilt engine.

 

u_powerunit2 Mini Cooper  Item: U-POWER-UNIT-TEST Priced to Sell at: $2495.00    /  Ships anywhere in the US for only $200.

 


1380cc Shortblock

We've done the hard work, you can do the final assembly with your favorite head, transmission, and ancillaries.

1380shortblock Mini Cooper      Item: 1380cc-SHORT-BLOCK  / Sale Price: $3495.00


1380cc DIY Kit

Ideal kit for the Do-It-Yourself engine builder. Special kit includes AE big bore pistons, our special 1380cc camshaft and lifters, +.020 main & rod bearings, and the HIF44 needle that is ideal for the 1380cc engine!


mmkt1380 Mini Cooper     Item: MMKT1380    /  Sale Price: $994.95

 


Visit Our Mini Mania Engine Shop

Check Out Our Mini Mania Engine Shop!  We’ve expanded our shop to handle our engine building tasks in-house. And don’t forget to watch the video!



All our Classic Mini Cooper Engines all on One Page


See all our Classic Mini Cooper Engines.


Take Advantage of our "We Ship It" Classic Mini Engine Program

Use our popular "We Ship It" service to make sending us your engine (or other large/heavy parts) easy and cost-effective.  You can have your own engine and gearbox refreshed by the same experts that have built our custom engines for years.  Avoid any "core charge" and potentially maintain the best value of your car by keeping it original.

Now, we make it easier than ever for you with our "We Ship-It Service".
Call for Details - 800-946-2642


Get Started Down The Road To Your New Classic Mini Cooper Engine


Mini Mania is ready to build you the Mini motor of your dreams!
Choose from the Classic Mini motors described below, or add any options to meet your needs. Five-speed transmission, performance camshaft, cylinder head upgrade, hi-lift rockers -- the sky's the limit!

CALL US AT 800-946-2642 or EMAIL US AT INFO@MINIMANIA.COM AND LET US BUILD YOU THE ENGINE YOU NEED AT PRICE YOU CAN AFFORD.



"If you can dream it, we can build it!"


Check Out Our Mini Mania Engine Shop

Mini Mania's Engine Shop is expanding to handle many of the tasks of reconditioning items in-house.  Learn More and check out the video!




Make The Call Today! Get a FREE ESTIMATE on what it takes to get your Classic Mini driving like a champ!
Classic Mini Cooper Engines For Sale At Mini Mania! It's what we do!