my sales rep says:

[drivewaysonly]

That a 5.5 gpm 3500 psi, 20 hp honda will clean faster than my 4gpm 4000 psi 13 hp honda. I understand cleaning units and the math aggrees with his statement. My question is, how much faster...really?

I am putting together a house washing package for realtors-clients, property mang com. and home owners. any advice is greatly appreciated.

 

[Larry B]

about 37% faster..worth the upgrade
Also you would need a 14.5 hp engine to achieve 4000 psi/4gpm. The other factor is you very rarely need over 3000-3500 psi

 

[drivewaysonly]

wow, thanks both for responding fast and with more info. You repeated what my rep said about the 14 hp deal as well. I love this forum!

 

[Mark]

If you really want to clean FAST
try 8 GPM @ 3000 PSI! [hello]

 

[MPW]

I agree, 8 gpm ROCKS!

 

[KiteKarl]

City water is typically 5gpm. How do you guys get 8, bring your own water tower?

 

[MPW]

I have a water tank in both of my trucks. You're not pulling the trigger constantly, so it will easily keep up. Most of the time, I have to unhook from the water source early so I don't leave with a full tank of water.