Posted by kingslandkid on July 26, 2016 at 23:15:41 from (72.105.171.240):
I'm really scratching my head and looking through parts books trying to decide if I can convert a 4600 gas with 8 speed with independent pto to diesel. I have several 4400 diesel engines and one 445 diesel head setting around. The gas tractor only has 2000 hrs on it and the only reason it was torn down was that rain got into the exhaust and stuck it real bad. I did get the pistons out without too much trouble and ball honed out the rust and it doesn't look too bad for a gas engine but I will rebore it for a diesel. My uncertainty is about the flywheel mainly and maybe the front pulley. The original flywheel is the lighter one with an 11" disk. I have a 66 3000 diesel 4 speed flywheel that is a lot heavier that looks like it will match up to the original pressure plate and throw out assy. but the part number is not the right one. I also have 2 4400 diesel flywheels with 13" discs but when assembled they are an inch or two thicker and both have a ring instead of fingers touching the throw out bearing. I could change the throw out brg. assy and fork and maybe it would work but I just don't know about any of the flywheels being the correct one. Also, according to the Ford parts books, the front pulley is different between gas and diesel. And a 4600 diesel is different from the 4400 diesel although they look the same. I'm pretty confident converting the engine but the clutch and pulley is my issue. I have searched this site and can find nowhere that someone has done this conversion. I have two of these gas 4600's and two 3600 diesels but they have smaller engines and different flywheels since they are both double clutches. I have a 2810 and a 3910 diesel with IPTO and maybe I could look at their flywheels if I took the starters off but they are smaller engines. Maybe leaving them gas is the smartest choice but I like diesels and I would like to try the conversion so others may know if it works. I would like to post my progress and how it works on this site but I need some expertise I'm sure is out there. Thanks and more as I progress and this is a follow up to my earlier post on (4600 Head Swap).
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Today's Featured Article - Engine Valves - Some Helpful Information - by Staff. Intake - On the intake stroke the piston moves doward, sucking in carburized fuel through the open intake valve. Exhaust valve is closed. Compression - With both the intake and exhaust valves closed, the pistons upward stroke compresses or squeezes the fuel into the combustion chamber. Firing - Ignited by the spark, the compressed fuel explodes and forces the piston downward on its power stroke. Intake and exhaust valves are closed. Exhaust valves and seats are exp
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