1942 D47J D4400 pony motor crank journal specs

thanks - ordered a copy but its on its way need to go mic journal today and find unobtanium bearings. I have found other brands with the same journal ID bearings i might try modify- around $8 a set so well worth the attempt

Do let us know if you find a workable alternative as it'll be useful information to share - thanks in advance!

thanks - ordered a copy but its on its way need to go mic journal today and find unobtanium bearings. I have found other brands with the same journal ID bearings i might try modify- around $8 a set so well worth the attempt

well i found bearings believe it or not, $7 a piece - and im going down the rabbit hole but 44mm piston rings come in 1.5mm thickness, the original pony engine rings come in at 3.1mm - so if i stack 2 rings ill be 0.1mm below spec and have gapless rings - no blow by! I did this on a tohatsu outboard and its been working perfectly- 

my gap was near 2-3mm! I recall seeing blowby out of the top oil fill - 

also found a con rod on ebay - lucky me exact part #, ONE left. 

 

Cat still has rings for sale

Regards

well i found bearings believe it or not, $7 a piece - and im going down the rabbit hole but 44mm piston rings come in 1.5mm thickness, the original pony engine rings come in at 3.1mm - so if i stack 2 rings ill be 0.1mm below spec and have gapless rings - no blow by! I did this on a tohatsu outboard and its been working perfectly- 

my gap was near 2-3mm! I recall seeing blowby out of the top oil fill - 

also found a con rod on ebay - lucky me exact part #, ONE left. 

 

found some generic rings - im gonna double stack em for a gapless setup. Hones out cylinders yesterday that seem ok- im not too concerned for a perfect engine pretty sure itll run just fine. every $35 for a cat parts goes from $200 to $500 and im super tight on $. sitting with a boatyard full of boats to sell..

well you know boat stands for break out another thousand.
and they are holes in the water you pour money into.

there is a song about it by aussie bawdy comic kevin bloody wilson if it floats or flys rent it by the hour.