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If you can acheive a larger displacement in the same size engine case, then why not? That's what we said.
This Italian manufactured engine is extreme high performance, incorporating all the state-of-the-art features necessary to win world championships. Mega-sized displacement at .28 in a specially constructed .21 crankcase with ABC piston and sleeve. The Picco .28 will fit in nearly every vehicle that uses a standard or pull-start 21 engine.
- ENGINE SPECIFICATIONS -
CLAIMED HP 3.3
RPM 34,000
CARB TYPE SLIDE
CRANK SG Shaft
CONSTRUCTION ABC
ENGINE CASE SIZE .21
ENGINE BORE SIZE .28
TYPE REAR EXHAUST
PORTS 9 ports
DISPLACEMENT .28 c.i., 16.8 stroke
CRANKSHAFT Heavy Duty Crankshaft 14mm
CARBURETOR Composite, 8mm insert, changeable
PLUG TYPE Standard Plug - Pull start
Turbo Plug - Team
   
OFNA/Picco .28
PART #51232 With Pullstart
Must use:
$51007 PICCO Plug (Med.)
$51008 PICCO Plug (Hot)
 

Optional sized carburetor throat inserts: 7mm, 8mm, 9mm
The larger the diameter gives you more power, with more fuel consumption. The opposite applies as the diameter gets smaller. This allows you more flexibility in your racing/fueling strategy. For example: You may opt for slightly less power with better fuel economy in the hope for less pit stops.

 

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