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Posts: 69 Joined: 27th Dec 2006 Ride: EF Wagon Location: Canberra - not as bad as you think |
Has anyone had any experience with the Prins VSI LPG injection?
I'd like to hear your experiences with it - economy, power, reliability. I'm considering getting it on my EF Wagon. I'm also a little concerned that they install a bank of gas injectors on the side of the engine bay and then have some tubes running to the intake manifold where the gas goes in.
_________________ 96 EF Wagon, PRINS VSI LPG, Wade 1636, 4480's, Redback zorst, Metalcat, 3 angle valve job, .5mm overbore, hypertec pistons, shaved head (because the head was banana shaped when I brought it), Tickford 16" alloys, KYB shocks, 30mm sway bar, 1 1/2 degrees negative camber, tow bar, roof racks. |
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What is your concern exactly with the tubes running into the intake manifold? I cannot speak for the Prins VSI system but the bank of injectors system is quite powerful. The gas is forced down the tubes by little plungers in the injectors, unlike the old pressure fed system.
I have a Dream OMVL system in my EF and one problem I had was my dipstick sits right where the injectors are. The installers bent it and the only way to get it back in was to grind its width down. For the time my system worked correctly (its f**k at the moment for other reasons) It was as powerful as petrol.
_________________ EL XR6 5spd |
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Posts: 69 Joined: 27th Dec 2006 Ride: EF Wagon Location: Canberra - not as bad as you think |
Thanks Bug,
It's encouraging to hear that you had the same power as petrol, that's one of my reasons for choosing injection. I was concerned about the length of the tubes going from the injectors to the intake manifold because I thought it might affect performance and economy if they were too long - I expect they'd have to be around 20cm each or longer. The Prins systems uses 2 banks of 3 injectors mounted inside the guard with individual tubes running to the intake manifold. It sounds like you haven't had any problems with this though. The installer has ordered a Prins VSI system for me, should arrive in a few weeks. He said there would be a delay in getting a 'manifold' tank for the wagon though.
_________________ 96 EF Wagon, PRINS VSI LPG, Wade 1636, 4480's, Redback zorst, Metalcat, 3 angle valve job, .5mm overbore, hypertec pistons, shaved head (because the head was banana shaped when I brought it), Tickford 16" alloys, KYB shocks, 30mm sway bar, 1 1/2 degrees negative camber, tow bar, roof racks. |
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I have seen some installations of this style of system where the injector to manifold tubes are much longer than the Falcon set up and while I cant comment on their performance, I dont think its a major factor. Not compared to the other benefits over traditional caburated methods.
There are more directly injected systems out there but theyre (more)expensive and may not be as practical.
_________________ EL XR6 5spd |
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| harddriver |
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i instal prins stuff and it goes great and works well if installed and tuned properly
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Posts: 69 Joined: 27th Dec 2006 Ride: EF Wagon Location: Canberra - not as bad as you think |
Thanks harddriver.
It sounds like having a good installer is 90% of the battle with these systems. Can't wait to get it installed and try it out. I'll let you know how it goes.
_________________ 96 EF Wagon, PRINS VSI LPG, Wade 1636, 4480's, Redback zorst, Metalcat, 3 angle valve job, .5mm overbore, hypertec pistons, shaved head (because the head was banana shaped when I brought it), Tickford 16" alloys, KYB shocks, 30mm sway bar, 1 1/2 degrees negative camber, tow bar, roof racks. |
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| ToranaGuy |
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{USERNAME} wrote: Thanks harddriver.
It sounds like having a good installer is 90% of the battle with these systems. Can't wait to get it installed and try it out. I'll let you know how it goes. Having a good installer is a big battle. Also, i would be wanting to keep the hoses from the injectors to the actual bungs in the manifold as short as possible for better throttle response. There is no reason on the falcon to mount them all the way over on the strut tower, there is room on the BBM manifold. The injectors are not that big. I've got an old Parnell installed PoliAuto ( autogas itialia easyjet rebadged ) injection system. Not a bad system, but the installers could have done a better job, making the system run better! It's still miles ahead of the old tech gear for an EB. Cheers ToranaGuy
_________________ I am the ToranaGuy!|74 Lh Torana Turbo|78 Hz PanelVan|86 Mighty Boy Ute|93 EB2 Ghia,GT Mockup,5spd,LPGI,Full Leather|2 x EB Xr8 5spd's|{DESCRIPTION}|{DESCRIPTION}|{DESCRIPTION}| |
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{USERNAME} wrote: Thanks harddriver.
It sounds like having a good installer is 90% of the battle with these systems. Can't wait to get it installed and try it out. I'll let you know how it goes. Couldnt be more true.. My install was a reasonable job although not perfect, but when it came to tuning the system they really fell down.
_________________ EL XR6 5spd |
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