1971 Arctic Cat Puma Modd

vintagesledguy · Post by **vintagesledguy** » Fri Mar 10, 2006 4:00 pm

i currently jus modifeid my 71 puma 399 for grass drags.Ive bored,plated,installed quad heads,a cheater plate,high performance bearings and a comet 102c clutch i stripped the sled it has no hood,belly pan seat or gas tank i hav alluminen skis and plastic 1 quart gas tank and this sled is a beast for a mod and i was wondering about the drive clutch and driven clutch

1.drive clutch= how can i make more performance their are 3 holes for the spring and i know if the spring is in the third hole u get more performance but im not sure if this is correct as i was told by a friend so does anyone know what hole to use and the spring degrees and wut spring to use

2. driven clutch= i need to know wut hole to use and spring

3. has anyone ever installed a studded track on a vintage sled that used a cleated track stock for grass drags

any information on grass drags will help me alot thanks for any help

vintagesledguy · Post by **vintagesledguy** » Fri Mar 10, 2006 4:02 pm

i also forgot i want to put dual mikunis on has anyone ever done this before when i bought this it had a tilltison hr which i believe stock was a walboro

vintagesledguy · Post by **vintagesledguy** » Fri Mar 10, 2006 4:06 pm

the quad heads i mean heads with 2 park plugs in each