69 F-100 bodywork help
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Joined: May 2002
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69 F-100 bodywork help
I have a 69 F-100 that has seen better days. Rust wise it is not too bad, cab mounts are shot, floor pans look like they have been replaced with flimsy metal, one small hole where the driver side floor pan and the cab meets in front of the door. Other than that there is some light surface rust on other parts of the truck. The worst part is that some bozo painted over 90% of the truck with orange rustoleum. I am totally new to body work (trying to find a continuing ed class to take). From the looks of it I am going to have to strip all of the paint off in order to see what I am dealing with. Already planning on disassembling the truck and startign from the ground up, would a sandblaster be the best way to strip off the paint and rust? I am sure I'll have a million more questions, but I'll just start with the easy one. Thanks, Anthony
Cargo Master
Joined: Jul 2000
Posts: 2,281
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From: Northern California
69 F-100 bodywork help
Without a doubt! I started with a $20 siphon feed from home depot and went to a $79 on sale 40lb pressure blaster from Harbor Freight and loved it. I used an old welding helmet and some clear non-scratch plastic cut to fit for the view area and duct taped a thick T shirt for full head coverage and then a hair dryer and ducting for fresh air.
The media was 30# mesh from home depot ($4 per 50lb bag) and 5 gal bucket w/ large hole in lid and screen over top then seal w/ lid to filter out sand for re-use.
I started out with a 110volt 3hp 22gal compressor and converted to a $99 5hp 220volt w/larger pully as the sand blaster uses A LOT of air!
Note that after sand blasting the area will rust VERY fast, you'll want to get a good epoxy primer on there the same day, so doing sections is best. Also, sand blasting creates heat that will warp thin metal so you'll need to move around and not stay too long in one area.
You can also treat the metal with phosphoric acid after blasting to protect from rust. Then scuff with scotch brite bad and clean with acetone then apply two part epoxy primer. Body work can go over the primer.
Good luck.
The media was 30# mesh from home depot ($4 per 50lb bag) and 5 gal bucket w/ large hole in lid and screen over top then seal w/ lid to filter out sand for re-use.
I started out with a 110volt 3hp 22gal compressor and converted to a $99 5hp 220volt w/larger pully as the sand blaster uses A LOT of air!
Note that after sand blasting the area will rust VERY fast, you'll want to get a good epoxy primer on there the same day, so doing sections is best. Also, sand blasting creates heat that will warp thin metal so you'll need to move around and not stay too long in one area.
You can also treat the metal with phosphoric acid after blasting to protect from rust. Then scuff with scotch brite bad and clean with acetone then apply two part epoxy primer. Body work can go over the primer.
Good luck.
