Anyone running the Hellcat? Any experience at all?

 

please show part number. photos, etc. So everyone knows what you're referring to . what you think the differences are from the standard, etc.. Give some reasoning why you might choose it.. Yadda yadda yadda.

 

My bad! WALBRO HELLCAT 525LPH F90000285 FUEL PUMP



I've searched a bit and it is still fairly new, not much info found really. Found some Amazon reviews, that's about it. I'm curious as to whether or not it would fit on the stock hanger; any modifications needed for fitment, etc. Just pulled the trigger on one and Google couldn't find any info on H-tech or DSO in regards to its use with Honda. Supposed to be one of the hottest pumps on the market right now. **shrug**

 

Ah, yes... the latest and greatest of.... parts fanboii-ism. j/k..

Man, I miss the old days..

 

It's an upgrade over the 450 without having to double pump. That's not fanboyism, that's common sense.

 

It looks a lot like my 450...but I'm just basing that on the photo you posted. The 450 has the fatter inlet end of the pump, and it fit on the stock hanger just fine.

 

Using double pumps?. it just means it has larger lph capacity. not necessarily better. That's not common sense, that's just wanting something larger for the sake of it.

But I never get anything larger than necessary. Many over do it

 

I'm intending on an E85 conversion in the future. I know the GSS-342 is good for my goals now, but I'd like to see the same power on E85. The 525 and 1200cc injectors would put me in a safe zone I'd imagine.

 

I think the size is similar to the 450, maybe a tad larger. **shrug**

 

So what are the goals again? the whole idea got lost in your other thread

 

Lol! Current goal is 400-425. I've certainly built for it this time around.

 

for that power goal im sure a 320-450 should do just fine I know a lot of people have been going to the deatschwerks 400 pump and hit some good numbers

 

Modifications are needed. The mods are similar to those when installing the Walbro 450.

This is a really good comparison of a TON of common high performance fuel pumps... all independently tested so there is no bias.

https://www.realstreetperformance.co...t-performance/

 

tl;dr:
the pump fits the stock hanger. just redo some wiring to use its harness from pump to hanger.

i have the fuel pump installed in my integra and here is a pic of it installed. i bought it so i can do flex fuel with my setup and yes it does fit on our hangers but i dont know how it runs currently. does it start my car? yes! but i still have my stock fuel pressure regulator installed on my car . i do have a fuelab 52501-1 fuel pressure regulator im installing this weekend so i can properly adjust the fuel pressure to give a more in depth answer.



walbro hellcat 525lph on left walbro 255lph on right

 

Excellent news! Thanks. What did you end up doing with the wiring from pump to hanger?

 

i ended up cutting and rewiring the pigtail to the factory harness on the hanger. make sure you have a relay in line for the fuel pump.

 

Thanks again! And, yes, I've recently hardwired my pump.

 

Pump will be arriving tomorrow!! Woot woot!!

 

Yep interesting to note that the DW400 outflows the Walboro "485" ~450 lph pump at any pressure over 40psi. Its also only ~10 lph short of the 'big daddy' 525 across the pressure spectrum.

@OP - make sure you rewire the 525 with a proper heavy gauge rewiring kit and redo any suspect factory wires, as the Amperage draw on the 400/485 and 525 are very high.

 

As in between the battery and pump or the pump hanger itself?

 

I have one installed in my CRX on the stock hanger with the pump completely rewired with a relay and fuse. I'm using E85 with 2200cc injectors. I doesn't seem any louder then my Grams 320lph. As far as performance I have yet to hit the dyno yet so I don't know.

 

The rewire kit will take power direct from the battery and provide that to the pump via relay, the factory fuel pump power wire becomes the signal to energise the relay. This new thick gauge wire from the fused relay will need to connect to the fuel pump connector. Essentially you not using the factory wiring for any high current draw.

If your OEM fuel pump wiring is in good condition, then its OK for the signal wire - if its so-so then I'd run a fresh wire through the harness to make sure you have minimal voltage drop going to the relay.

 

x2

Interested to see your results with the 525

 

This is how I ran mines.

 

Ah, ok. Yeah, I wired my pump just before getting it started after rebuilding the engine. Ran 12AWG from battery to secondary relay, 12AWG from relay to pump, then 12AWG from seat belt buckle bolt ground point to pump.