Re: 1990 GMC Suburban ... Cummins Powered
Seems like Por 15 has more fillers in the black compared to the grey ... No need to thin it will spray right out of the can , I added some PPG fish eye eliminator ... Stuff seems to like to fish eye , my shop having silicone around dose not help ... but the eliminator works fine .
Stuff tacked in a 1/2 hr for a second coat , dry to the touch in 12 hrs , fully curred in 2 days .
Stuff is like concrete .
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