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Thread: Tdi into a petrol discovery?

  1. #21
    pibby is offline Master Silver Subscriber
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    Well nothing coming to mind as yet. One other noticeable trait is fuel economy city versus country. Around town 25 l/100 country 22.5 l/100km. surely country should be somewhere around the mid to high teens if using the RAVE figures is anything to go by (ie differential between city/country not the exact figures themselves). When driving you have to drop the engine to 3rd gear (in 4 speed auto) to get a reasonable response from the motor and to get the vacuum into what would appear to be the normal range.

    Am leaving Adelaide tomorrow so shall drop into TRS to try and get some specs for the cam with the aim of getting it checked out when I get to melbourne. Did a bit of searching on web and seems use of a vacuum gauge was once the tool of choice for diagnosing engine condition.

  2. #22
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    mate I can sympathise with you - I too live around Hobart and the gas prices are criminal here in Tas - topping 86cpl last week at BP (guess they need the money).

    I spent 5k on the Emer conversion and would not do it again given the jump in LPG prices.....but...we tow over 3tonnes regularly (three horses), and for that the vehicle is exceptional even though it returns 35lp100klm. I would just not trust a diesel to do that all day, even the new ones which I know have given trouble when towing much less than that (and which of course cost heaps more to purchase in the first place). We paid 9k for the car which is an immaculate supercharged D1ES 3.9, plus 5k (less 1750 rebate) to convert it to MPI LPG.

    I still reckon we are way ahead of other horsey types who have forked out 45k for new turbo diesels and have had them boil over when towing 2 horses, and who can't tow as much legally as we can.

    I looked at converting the car to a TD5 or other turbo diesel but the cost (and sorry the questionable reliability and likely slowness when towing compared to the 8) put this out of the question. Other options including Holden V8 etc, imported US diesels etc were also not finacially viable compared to the LPG conversion.

    Like you I'll probably end up selling the car on the Mainland because nobody down here sees any benefit from having LPG due to the high prices we pay. Hopefully we will get some fairer treatment one day

  3. #23
    pibby is offline Master Silver Subscriber
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    there's two servos in town i use which are always the cheapest over the last few months. if you use the link below YOU CAN CHECK FOR SURE YOU ARE BEING RIPPED OFF by seeing how cheap lpg is interstate! hopefully lpg won't go up like petrol when petrol goes back to $1.80. i wasn't on lpg at the time so don't recall what it went to. i looked at a site which showed when petrol was $1.55 in hobart lpg was $0.849.

    MotorMouth - Fuel Prices and Petrol Prices Australia



    Site Name
    Address
    Postcode
    Suburb
    Collected
    Price

    United436 Main Rd7010Glenorchy30/06/10
    5:19 AM Caltex/Woolworths463-465 Main Rd7010Glenorchy30/06/10
    5:19 AM Caltex71 Risdon Rd7008New Town30/06/10
    6:27 AM Caltex188 Brooker Av7000North Hobart30/06/10
    6:24 AM Caltex156 Davey St7004South Hobart 30/06/10
    6:12 AM CaltexCambridge Rd & Gordons Hill Rd7018Bellerive30/06/10
    5:54 AM

  4. #24
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    I had 2 cars with a 4.6 from TRS, both had Haltech f9(?) computers hanging off them and my economy was brilliant.
    On long trips I got 12-15L/100 on premium and 18L/100 on gas.
    In town I got 15-20 and 20-25L/100 on gas.

    Bee utey did both gas conversion and neither was high tech, I opted for simplicity and price.
    He did install O2 sensors though.

    Is your motor the high compression one as they do perform better especially on gas from what I understand.

  5. #25
    pibby is offline Master Silver Subscriber
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    Big guy – yeah I dropped in and saw bee utey on my way through Adelaide last week. Motor is HC and I can’t even get economy like yours with my injected lpg. Played with spark timing and fuelling to the nth degree so don’t believe anymore that is my problem. Wish it was though. I’m getting close to pulling the camshaft and probably replacing it with a different one (even if it is not worn). With the injected system I am expecting it to be around 15% better economy than your lpg system.

    I think I read in your posts you’ve got rid of the V8’s and gone diesel. Why’s that?

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