might be a dumb question but is the gas valve turned all the way on??

bigfoot motors have a different gear ratio in the lower unit than standard motors,maybe you can’t get enough speed to get it to plan out?

I think the fluid you are looking for is the same stuff used in snow plow hydraulics. fleet farm carries it and should be cheaper than sea star fluid.

I work with propane tanks at work safety blow off on a normal propane valve is 350psi. just air it out for a couple of days if your going to weld on it.

I use tangle free II. works great only takes a couple of drops. small bottle lasts a long time.

i have marathon seat covers friends have them everybody loves them well worth the money. call and talk to them you can get pockets put where ever you want. only down fall to them is the 4 to6 week wait put worth every penny and the wait.

try uline.com i have about 100′ of part#s-6581r. if want to try some and are in the sw. metro i’ll give you some. pm me if interested.

and my can holders

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this is how i did mine