Vehicle & Technical > Range Rover
3.5 > 3.9
hairyasswelder:
--- Quote from: "Range Rover Blues" ---Even with the carbs it's worth fitting an EFi engine, or at least the heads/exhaust. The EFi only really adds reliability.
The hot -wire system is easy to fit if you get the wiring loom with it, without it I wouldn't bother.
--- End quote ---
The EFI cam will give it a little help too I think :D
As for reliability, is there that much of a gain against early flapper system with LPG or is it just 6 of one 1/2 dozen of other?? I know the hotwire is better but with all the mods etc. (old ground)
Steve
Range Rover Blues:
--- Quote from: "hairyasswelder" ---
--- Quote from: "Range Rover Blues" ---Even with the carbs it's worth fitting an EFi engine, or at least the heads/exhaust. The EFi only really adds reliability.
The hot -wire system is easy to fit if you get the wiring loom with it, without it I wouldn't bother.
--- End quote ---
The EFI cam will give it a little help too I think :D
As for reliability, is there that much of a gain against early flapper system with LPG or is it just 6 of one 1/2 dozen of other?? I know the hotwire is better but with all the mods etc. (old ground)
Steve
--- End quote ---
#-o Yes, the EFi heads, cam and manifold/downpipe make the difference, rather than the EFi itself. Personally I wouldn't touch the flapper system to retro fit, parts are too hard to come by and they do let you down. The Hot-Wire is much better and safer to gas up, unless you go multi point and that's a whole new topic.
hairyasswelder:
MMMMmmm multipoint LPG..... :roll: second ECU drilled manifolds, lamda sensors, laptop and software to set up and major financial strain :roll:
Bloody goood system if set up right though :wink: need to put some miles on it to repay the outlay, not sure if that good or bad :?
Steve
Range Rover Blues:
Well it's a whole new can of worms isn't it? for driveability you can't beat a multi point but it's not as economical (or doesn't appear to be). It's more tuneable, more reliable and doesn't restrict your pwtrol power the way that cheap single point systems do.
But mine cost £1250 with a spare-wheel tank. When Blue goes 4.6 it'l need another LPG system, I'd like to go multi point but for th emiles I drive it now, I might stay petrol.
hairyasswelder:
mate of mine had a 4.6 HSE on single point, that I used to drive when we went pub, The reason I bought RR. It was 'ok' but when you wanted power you needed to switch to petrol for the full power.
We upgraded it to multipoint after blowback damaging airflow and airbox.
Cost him around £650 but it went like it should :lol: and was still worthwhile for savings
The tank, pipes etc were already there so not replaced :wink:
Vertical toriadoral tanks are around the £300 mark.
Cant remember if we changed the vaporisor :oops: but dont think we did
This was a few years ago now so it might still be worth a look on just 'upgrading' the system??
Steve
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