I have had a cobbled together compressor for the last 15 years,. The 60 gal tank was given to me by a friend and the 3.5 Hp motor by another. I bought the exact compressor head you mentioned from Northern Tool, I have used it almost daily with no issues. Recently I upgraded to a larger 80 gal, 7.5 Hp, 2 stage compressor for the bigger shop I'm building. I passed the old cobbled unit on to a Friend and he is using it today.

For the money I would consider replacing the compressor head and continuing to use what you have, it has suited you for this long...

~ Craig
1958 Viking 4400
"The Book of Thor"
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1960 Chevrolet C10
"A Family Heirloom"
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'59 Apache 31, 327 V8 (0.030 over), Muncie M20 4 Speed, GM 10 Bolt Rear... long term project (30 years and counting)

If you don't like driving yourTruck, you won't drive yourTruck..| Living life in the SLOW lane