Hallo,

does anybody know if there is a high-flow water pump for b-Serie Engines and where can i get them?

or is there an easy way to turn the stock pump faster to get a higher water flow to compensate a bigger radiator volume then stock?

Thanks

 

You could get a Meziere electric water pump.

 

ok, can anyone tell me how much flow the stock pump is able to produce?

just to see if it is worth the money :-)

 

why do you need more flow? Is the motor overheating?

 

on my next project car i want to run a ramhorn style manifold with external wastegate in a crx 88-91 - so i only have space for a halfsize radiator...

i drive a halfsize currently with a much lower powerlevel as i have planed in the future and on the track the coolant system is allready on its limits...

i want tu build a waterproof coolant system even at high ambient temperatures... but thats realy hard in a car which that less space in the engine bay.

things i have allready thought about:

- other / no thermostat
- second or third radiator in the left/right wheelhousings (problem, because when i make the radiator volume bigger the flow of the pump gets less)
- high flow water pump
- seal everything around the radiator's so all air must pass the radiators
- radiator cap with higher pressure
- multi pass core (but i've hered much bad things about them in concern of system pressure which is needed for the same volume)

goal is to get aprox. 330-350whp with low coolant and oil temps for endurance circle track racing (several hours)

maybe someone can help.

 

Pushing coolant thru a radiator quicker does not mean that your motor will run cooler. The liquid must stay in the radiator long enough to benefit from the radiator's cooling ability. I think the OEM pump is fine for you

 

Many high horsepower Civic/CRX cars run aftermarket radiators. (PWR,Fliudyne, etc.) Use a new stock waterpump and if you want additional protection I'd recommend Evans coolant. You would need a couple of gallons and it costs around $25 a gallon. Good stuff!!

 

I think you will be fine with all stock components also. I have a CRX with a 92-95 Fluidyne and a ramhorn manifold. No problems cooling even with the manifold .5" from the radiator. Stock pump, stock thermostat, stock water pump. The only difference is that I do not road race. Use the Evans coolant, use effective baffling, get your turbo and manifold coated and maybe an oil cooler.
GL

 

shroud the front of the radiator so it doesnt suck from the engine bay..

this helped me alot.

 

do not remove the thermostat, this will cause condensation in the crankcase due to a very slow warm-up. The thermostat is there to allow the engine to heat up to operating temperature quickly.