Alternative fuels ?
Post Fiend
Joined: Jun 2001
Posts: 5,228
Likes: 5
From: Running Springs CA
EFI engines can run on CNG without major changes. The big expense is for high-pressure tanks, regulators and fittings, since CNG is dispensed at up to 3600psi. This differs drastically from LPG systems.
My brother has owned a CNG (factory) Crown Vic. Now he has a CNG Honda Civic. Both engines looked no different than the gasoline versions. CNG runs so clean that the tailpipe has no soot at all. It looks like the engine was never started.
Jim
My brother has owned a CNG (factory) Crown Vic. Now he has a CNG Honda Civic. Both engines looked no different than the gasoline versions. CNG runs so clean that the tailpipe has no soot at all. It looks like the engine was never started.
Jim
Senior User
Joined: Apr 2006
Posts: 154
Likes: 2
From: Fort Erie, ON
I presume you want to convert your own vehicle (1976 F250?) to CNG dual fuel operation. I believe you will need the following items for this conversion:
I think that's most of it. Since the storage capacity of typical CNG tanks is equivalent to a few gallons of gasoline, ideally you should have a CNG filling station on your normal route. If not, you might also want to consider PHILL.
- dual fuel mixer (Impco Model 300?) & air cleaner
- mixer to carburetor adapter
- CNG pressure regulator
- CNG storage tank(s)
- CNG fill valve
- CNG fuel lines
- CNG pressure gauge
- electric shut-off valve for gasoline
- electric shut-off valve for CNG
- electric switches for dual fuel operation
I think that's most of it. Since the storage capacity of typical CNG tanks is equivalent to a few gallons of gasoline, ideally you should have a CNG filling station on your normal route. If not, you might also want to consider PHILL.
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