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Honda F24 - Stroked F20C

Building a Budget 2.4-liter stroker engine

Scott Tsuneishi
Jul 21, 2006
0609turp_01z+honda_f20c_stroker_build+engine_view Photo 1/21   |   Honda F24 - Stroked F20C

High horsepower Hondas are nothing new this day and age as vast improvements in vehicle engineering have empowered the H-badge enthusiasts to build everything from the mildly modified to the more wildly modified 700 hp street driven machines. A new age of computer-literate teenagers and young adults use the internet to find ways to squeeze every fraction of power from their cars. Unfortunately, with every wheel-spinning and tire-roasting component added onto the vehicle comes the necessity of obtaining large amounts of cash. Most owners end up spending their hard-earned dough on what we call "the rolling money pit".

Gary Castillo, owner of Design Craft Fabrications in Lake Forest, California, is a true import enthusiast. He has dabbled for years in everything from participating in engine buildups to being the head mechanic for the infamous RS*R S2000 drift car piloted by Tyler McQuarrie. Castillo is never scared to try something out of the ordinary. During routine engine maintenance for the S2K, Castillo came across an interesting find when disassembling the F20C powerplant a few months back.

"I took some measurements and found some fascinating information between the Prelude H22a and the S2000's F20c engine. Combining these two engines components and using a TSX crankshaft enabled me to create a true 2.4-liter engine using the original F20C's 2.0- liter block. The main reason why this 2.4-stroker engine is such a perfect combination is the stroke of the K24 crankshaft in conjunction with the H22a's connecting rod center to center length and dead-on piston height matches perfectly with the F20C's deck height," Castillo said.

With Design Craft Fabrications taking credit as the pioneers of structuring this engine combination, Castillo made a valid point that was sure to stir up a frenzy within the S2000 community when he stated: "You know the best thing about this 2.4-liter stroker buildup is we're using all factory Honda parts which anyone can purchase over the counter. All you need is some minor machining at a reputable shop, and assembly skills. This is a stroker setup that won't kill your bank account."

Check out the following photos for a detailed illustration on how Castillo was able to convert the 2.0-liter F20C engine into a 2.4-liter stroker engine.

Sources

Dynamic Autosports
Lake Forest, CA 92630
949-457-1234
http://www.dynamicautosports.com
Design Craft Fabrications
http://www.designcraftfab.com
By Scott Tsuneishi
247 Articles

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