355 to 360 F1 pump conversion

Did you contact Hill Engineering? Since this is their non-factory pump conversion, they should be most familiar with the problem you're having.

 

Are you sure it's not your accumulator?

 

It has to be bled. You really should find a manual. Problem is you need one of the computers designed for the car to do it properly.

 

I’ve seen some later 360s get bled with the launch tool, but since this is technically a 355 with 360 hardware I take it that probably won’t work?


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Even if you didn’t buy the pump from Hill Engineering, I bet they would still be willing to help you. They want their product to work.

 

The 360 pump conversion still uses the original pressure switch to control the pump. Either you have a bad switch or a stuck relay or an internal leak Attached pic shows the pressure switch. Unplugging the switch should turn off the pump if it doesn't you have either a stuck relay or an external problem causing the relay to stay energized.
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They manufacture the part. The fact there is an issue with the system that has nothing to do with their product does not make it their responsibility. If you dont know how to properly diagnose the system probably shouldn't have taken on the project. Owner just threw parts at a problem that weren't needed.

 

I was thinking way back to the FAF days. Their main business was parts, but they provided a lot of technical assistance to their customers to keep their Ferraris running. They even published a Ferrari Survival Manual.

 

Are you sure you are unplugging the correct relay? These systems are not that complicated. Usually it is misdiagnosis or lack of knowledge on the system that is the biggest issue.
If unplugging the proper relay did not correct the issue then there is a short to battery power or malfunction in the wiring harness.

 

Does the pump run with the relay removed?

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