Adjustable Genoa Lead Cars

[clockwork orange]

Hi all, I have 4 - 9ft lengths of track and 8 ball bearing adjustable lead cars which i salvaged off a customers boat when he put on new harken hardware,these items are some unknown european brand which came off a X one ton,they are equivilent in size to harkens mid range hardware but more compact,actually one of the 8 cars is a Harken and its huge,anyway i plan on installing 2 x 9ft tracks with 2 cars on each conected with a piece of cable on my Lindenberg 26 but first i need to replace the bearings so my question is this,since the cars are probably a size larger than i need with 5/16" bearings would it be ok to use Delrin rather than Torlon balls as there is a huge price difference,the old bearings were Delrin but may not have been oem,the harken has Torlon,bear in mind that i need about 275 balls and the cheapest i can find Torlon is about .35 each wheras i can get Delrin for about .07 each. My thinking is that i could use torlon on the aft ones which will be used most of the time and delrin on the fwd ones or just go all delrin and see what happens.
Steve.