Franklin engine 6A-350 220 HP parts for sale

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These are from an experimental engine but most parts are in excellent condition - about 230 hours since rebuilt or new.

I guessed what the prices should be and I am open to reasonable offers.

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          Click on images for larger view.
6 piston rods - $150 pair
Part # 20504D. The rods have been weighed and matched as pairs for best opposite side balance.
Alternator adapter bearing - $10
Unused. Part #: 21490
Magnesium manifolds, intake tubes and carb receptacle - $450 set
Magnesium manifolds that directly replace originala. These are special magnesium manifolds for the 6A-350 but are about 4 lbs lighter than standard aluminum ones. Intake tubes and carb receptacles are included as a set so that it fits the 6A-350. I have no idea whether any of the parts fit other engines. .
Exhaust pipes - $200 pair
Stainless steel exhaust pipes I got from Velocity. I added the heat muff for the carb preheater. It can be easily ground off if not needed.
Breather case / starter end cover. - $100 both

There are two of them: the standard and a modified one to suit my setup.
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Crankcase cover. - $100

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Valve covers, lifter rod and tubes. $200 lot
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Complete set of hydraulic lifters (17477) - $300

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A set of six 8.5/1 experimental pistons for the 6A-350. $450

These will allow you to burn mogas 92. The pistons are in good condition but need carbon cleaning. In the experimental process I got it too rich at times. Only the top compression rings come with them. The other rings are transferable from standard pistons.
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Franklin 6A-350 Crank sensor board and magnet plate for Light Speed Engineering Plasma II - $200
Here is your chance to own a COMPACT, dual LSE ignition crank sensor board and magnet plate that I built in 2003 for my Franklin 6A-350. I had no problems with these items, running reliably until I changed to the Continental IO-360 in 2011. The board simply screws into the crank seal retainer bolt holes on the Franklin.
LSE crank sensors and magnet plates are huge and bulky – even their so called “mini” sensor. I am planning to build a similar compact custom unit for the Continental.

I have Plasma II ignition. Check with LSE for compatibility with Plasma III or other units. The leads have been cut to about 2feet and you will need to extend them to a DB9 connector as per LSE circuit diagram I was given.

The image shows the plate mounted on the Franklin with Ivo prop brush holder and back plate along with the original LSE plate laying on top.


11 Light Speed Engineering SPARK PLUG ADAPTORS - $10 each
These are used on the 6A-350 with LSE ignitions. 18mm thread, 3/4" long reach for 12mm spark plugs. ($24 from LSE)
Franklin engine mount for SQ2000 - $200


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