ssray Posted March 9, 2022 Share Posted March 9, 2022 I've dabbled for years with veg oil svo(new stuff) not wvo(old used stuff) My last vehicle that I used it in was a rover 400 2.0 , I did a twin tank conversion, 5 gallon marine tank in the boot for starting and running down(so the pump etc is not full of veg over night,it gets too thick) then the main tank had just new veg oil in it Start and warm up on diesel then switch over to the main tank and the veg would go through a heat exchanger to thin it then into the fuel pump, no difference in performance etc The vehicles I used before were all Bosch pumped, Citroen bx(mix in the tank), Toyota Hilux(mix in tank) pug 205(mix in tank) Understanding that the 1.8tdci is common rail dose any run neat veg in one? Ta Ray 1 Quote Link to comment Share on other sites More sharing options...
Focus_ Posted March 9, 2022 Share Posted March 9, 2022 2 hours ago, ssray said: I've dabbled for years with veg oil svo(new stuff) not wvo(old used stuff) My last vehicle that I used it in was a rover 400 2.0 , I did a twin tank conversion, 5 gallon marine tank in the boot for starting and running down(so the pump etc is not full of veg over night,it gets too thick) then the main tank had just new veg oil in it Start and warm up on diesel then switch over to the main tank and the veg would go through a heat exchanger to thin it then into the fuel pump, no difference in performance etc The vehicles I used before were all Bosch pumped, Citroen bx(mix in the tank), Toyota Hilux(mix in tank) pug 205(mix in tank) Understanding that the 1.8tdci is common rail dose any run neat veg in one? Ta Ray I'd be inclined to say no, it's usually a big no no on common rail diesels as it clogs everything up. Maybe you'd get away with it diluted but I would be very wary still. The older 1.8 TDDI might be happier on it than the TDCI though I appreciate that's not much help to you! 2 Quote Link to comment Share on other sites More sharing options...
iantt Posted March 9, 2022 Share Posted March 9, 2022 Cheaper than diesel. 🤣🤣 1 1 Quote Link to comment Share on other sites More sharing options...
Focus_ Posted March 9, 2022 Share Posted March 9, 2022 1 hour ago, iantt said: Cheaper than diesel. 🤣🤣 Wow that's a good price! Quote Link to comment Share on other sites More sharing options...
ssray Posted March 10, 2022 Author Share Posted March 10, 2022 Thanks, it's a while since I had a veg car(2007 I think) so I'm kind of out of the loop and s lot of forums I hung around have vanished 1 Quote Link to comment Share on other sites More sharing options...
TomsFocus Posted March 10, 2022 Share Posted March 10, 2022 I have seen people running veg on 1.8 TDCI's with mixed results, but not for a long while. It's not quite as simple as any common rail being unable to run it. I think the reality is, it's going to take some modification to do it, as well as experimentation with ratios, and even then it's a lottery how long the pump & injectors will last. Veg is obviously much cheaper than diesel right now, but those savings could quickly be wiped out by one major part failure. I wouldn't risk it personally. 3 Quote Link to comment Share on other sites More sharing options...
DaveT70 Posted March 10, 2022 Share Posted March 10, 2022 Yeah, OK on TDi but not TDCi Quote Link to comment Share on other sites More sharing options...
ssray Posted March 10, 2022 Author Share Posted March 10, 2022 I think I'm going to look for a older a4 estate or possibly a older Merc 300td Thanks for the replys 1 Quote Link to comment Share on other sites More sharing options...
Focus_ Posted March 10, 2022 Share Posted March 10, 2022 41 minutes ago, ssray said: I think I'm going to look for a older a4 estate or possibly a older Merc 300td Thanks for the replys Basically the older the better. Mechanical fuel pump/injection is the way to go 2 Quote Link to comment Share on other sites More sharing options...
ssray Posted March 11, 2022 Author Share Posted March 11, 2022 It's a pain, I like my focus 2 Quote Link to comment Share on other sites More sharing options...
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