I recently installed two new 5cp2021 pumps on a seven bay stand. The two new 5cp pumps are so much louder than the other five pumps I wondering if there is a problem. Is it normal for cat pumps to be noisy during the break in period? Im also wondering if the 310 pumps are better than the 5cp2120 pumps. this is my first time purchasing cat 5cp2120 pumps. Compared to my old general pumps these are much louder.
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cat 5cp2120 vs 310
- Thread starter 1carwash1
- Start date
MEP001
Well-known member
There's no break-in period. 5CP2120 and 310 are essentially the same pump, almost the same ratings. I'm not surprised they're louder than General pumps but they will last a lot longer. I've never noticed that 5CP2120 are louder than 310, but I've had a couple people tell me the same thing.
Did you put oil in them? Generals come with oil, Cats do not.
Did you put oil in them? Generals come with oil, Cats do not.
soonermajic
Well-known member
Ive had about 6/7 of each. I can't tell a lick of difference between the 2. In fact, w/out looking @ the label, I don't know the difference.
I.B. Washincars
Car Washer Emeritus
Having owned numerous of both models, the 310 is more durable, the 5CP is much easier to work on. I agree with Randy that with the 5CP, washout is much more of an issue.
