Anytime.You learn alot from mistakes,but this stuff is too damn expensive to make too many.A few more tidbits for you,but how much experience do you have with bodywork?I finish my bondo work in 80grit and pop and clean out any pinholes.Then I put a thin coat of 2 part putty over it,evercoat's is pretty decent,but if there's a Wurth distributor around I really like theirs.This stuff will finely pinhole if it gets too thick,so stay at 1/8" or less and work it back and forth.Be warned though,use little hardner in it cause this stuff kicks off fast in any kind of heat and/or humidity,and let it set awhile to get real hard.I then knock the top off with 80 and finish with 120-180,180 being the better.Going back to hardner,don't use too much to make it kick quicker.If you get too much in it will bleed through later on and stain your paintjob.Don't freak over this because you have to use alot for it to happen,but it does happen.When you're ready to prime,most urethane primers can be shot with or without reducer-reduce it no matter who tells you not to.When I get around 180grit and finer,I use the full amount of reducer allowed,and the reducer I would use in the paint-but.Refering to PPG's line,there's DT860,870,885,895,and whatever the retarder # is.If it's 80-90 degrees use 885,but never use 895 or retarder(if you live up north you probably can't get retarder).Put a wet coat on as thin as possible but still smooth and let it flash until you can run your hand over it without smudging it and repeat 2 more times.Block and repeat.The only time I use less than 3 coats is my last prime over 220 or finer and then I put on 2.Guide coat is great if you have a hard time seeing the difference between the sanded primer and unsanded primer in scratches and low spots.I make my own if I use it by thinning black lacquer about 250-300% with wash grade thinner(elcheapo) and blowing over my last coat of primer just before it flashes,but stay back about 18-24" and just dust it on to tinge the surface with color.Take care for now.
I forgot to mention,I use the putty because it doesn't soak up the primer anywhere near as bad as mud(bondo) because it isn't as porous.Cool wheels you're making too,post us a pic if you can.
[ 04-02-2002: Message edited by: rex ]
