Re: 1990 GMC Suburban ... Cummins Powered
I just finished cleaning and I applied POR 15 tot he underside of the body ... What a pain in the butt , considering it made it 21 year with no rust I figured this would preserve the truck another 20 ...the stuff is great .
I used a cheap pressure pot and I was able to spray up side down ... it was a cheap harbor freight pot and well worth the 40 bucks .
I just got the motor and trans ready to go in this weekend .
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