will allow the use of 100LL, or high octane auto fuel. The cylinder heads are from a long line of vastly superior aftermarket units, which have proven themselves in a wide range of abusive applications. The free breathing oversize stainless steel 37mm intake and 42mm exhaust valves ride in bronze silicone guides, and the push rods are special heavy wall units, made to withstand long service. The cam is a proprietary grind of Aero Conversion’s, manufactured by a reputable aftermarket manufacturer, which makes the best use of the 2180cc engine’s ability to create peak torque at the 3000 - 3400 rpm cruise settings.
ACCESSORIES
The AeroVee accessory pieces, such as the billet CNC machined intake manifolds (which are installed without traditional paper gaskets), offer a perfect fit and finish not available from a cast part. THE ENGINE This high level of product finish is obvious throughout the Monnett starts with a factory new, all aluminum case, kit components. The trademark color is a red anodized which is admittedly 14 pounds heavier than the original condition, and it's a striking contrast to the charcoal black magnesium alloy unit. It’s stronger and stiffer than the high temperature paint that the factory used on the protomagnesium alloy original case, and better able to handle type. Quite handsome! As delivered from the factory, the the stresses of the greater power being demanded by left and right engine case halves are unpainted. They modified, bored and may be painted AeroVee engine on the nose of the Sonex tri-gear prototype. stroked engines. any color, with any of the heat Aero-Conversions resistant engine Inc. outsources the paints available at internal components your local auto for its AeroVee enparts store, or gine, the same as simply left bare. most of their compeThe rear casetition. The off road mounted accesracing community sory drive unit, has developed some which besides incredibly strong adapting the enparts for their VW gine to the engine powered vehicles, mount, and the and this technology bolt through has filtered down to mount for the the experimental geared starter, aviation enthusiasts. also carries the The crankcase has ignition modules been modified to and center Aero-Conversion’s mounted alternaspecifications, with tor rotor. internal machining of the case to assure The aluminum clearances for the 82mm forged, counterweighted crank, flywheel disk, with its cad plated steel ring gear (held in and the special connecting rods used. The case halves place with allen cap screws) does triple duty, by: are equipped with four steel case savers per bore which 1. Allowing the gear reduced starter to spin the engine; prevent the thermal expansion of the cylinders from rip2. Supports the magnets which trigger the magnetos; ping the head studs out of the case walls. 3. Carries the incredibly strong permanent magnet which power the 10 amp alternator. The bores themselves and the cylinder heads are maThe 10 amp alternator is standard, and is included with chined to fit the forged aluminum 92mm pistons. The the basic engine kit. An optional 20 amp replacement is engine is set up for an 8.0 to 1 compression ratio which available at additional cost. The accessory case assem-
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