Fuel pressure regulators, was Re: Fuel pump questions

Ed EdDSP at ix.netcom.com
Thu Dec 11 23:43:13 GMT 1997


Carl Summers wrote:
> 
> 2.Another mistake by most nitrous kit mfrs is they don't include a hobbs
> switch to shut the system off after the fuel pressure drops below a
> certain psi(I'm talking about the kits Bruce mentioned that max the
> pressure to the EFI injectors on nitrous enable via the vacuum/pressure
> port of the FPR) These type of kits ultimately kill the fuel pump and
> gradually lose pressure, ultimately burning pistons,,,I have seen this
> MANY times.....food for thought

	Would anyone know of a dependable Hobbs switch, normally-closed, set at
around 30 psi? The ones included with some NOS nitrous kits seem fragile
(failed on me before).

-Ed



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