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Thread: Improving TD5 performance. exhaust query

  1. #31
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    What you mean with that? Like the manifold and JE kit?

    I emailed gigglepin and got it through them
    03 D2a Manual Td5 Modified, Ashcroft lockers F&R, Ashcroft R380,Atb lt230, Ashcroft Rear axles, AS manual IC, AS exhuast manifold, AS Coolant bottle, 3inch exhaust, alive GTB550 VGT, billies 7100s, 3inch lift, 4inch staino snorkel, 35s beadlocked

  2. #32
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    Dyno numbers Improving TD5 performance.  exhaust query. Please don’t quote “Butt Dyno” feelings though. Improving TD5 performance.  exhaust query

  3. #33
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    Quote Originally Posted by Tombie View Post
    Dyno numbers Improving TD5 performance.  exhaust query. Please don’t quote “Butt Dyno” feelings though. Improving TD5 performance.  exhaust query
    I've been told I have a very finely calibrated butt! Improving TD5 performance.  exhaust query

    Although she may have been talking of something other than dyno numbers? Improving TD5 performance.  exhaust queryImproving TD5 performance.  exhaust query

  4. #34
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    Hahahahahaha!!! Maybe...

    Reason I make such a comment.
    I had 2 tunes that were fun to load on people’s vehicles and have them drive it around.

    One felt much faster - more race like. People commented how quick it was.

    Then I would install another file. Same sort of numbers just more like a big linear pull. And significantly quicker yet felt slower as it accelerated more smoothly.

  5. #35
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    It's fast enough that race my mates in the td4.2s with 12mm pumps haha
    03 D2a Manual Td5 Modified, Ashcroft lockers F&R, Ashcroft R380,Atb lt230, Ashcroft Rear axles, AS manual IC, AS exhuast manifold, AS Coolant bottle, 3inch exhaust, alive GTB550 VGT, billies 7100s, 3inch lift, 4inch staino snorkel, 35s beadlocked

  6. #36
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    Quote Originally Posted by Tombie View Post
    Hahahahahaha!!! Maybe...

    Reason I make such a comment.
    I had 2 tunes that were fun to load on people’s vehicles and have them drive it around.

    One felt much faster - more race like. People commented how quick it was.

    Then I would install another file. Same sort of numbers just more like a big linear pull. And significantly quicker yet felt slower as it accelerated more smoothly.
    100%

    Spent enough time playing with dynos and the stop watch on track several lifetimes ago.
    I've been deceived by "this feels faster" and then shown lap times.

    In that vein the old mechanic that taught me so much about building engines used to quote an old race engine builder that influenced him a lot.
    Horsepower sells engines. Torque wins races.
    Last edited by rick130; 20th March 2020 at 06:24 AM.

  7. #37
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    re spare manifold to work on

    Quote Originally Posted by johntins View Post
    Pretty sure I still have a spare manifold here if you want to get it done without taking the car off the road for days. Happy to give it to you on a swap basis if you like.

    I'd better make sure I still have it first though I guess,,,,,,

    Thanks for offer, I have a spare now as a consequence of having been changing one over on my other TD5 and to do that I did purchase one already machined, so now I have a spare (which I will get faced and ready in case the other Td5 warps as a consequence of boosting EGT's from remapping).

  8. #38
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    Re improving TD5 performance

    Bought a 220K 2003 TD5 over the phone and had it sent to LR workshop to "improve" the engine performance in a cost effective way (If possible).
    He felt no real gain in fitting 3" exhaust, but recommended remove cat and main muffler (put straight through pipe), disconnect EGR and get the ECU remapped. (Cost about $1800)
    After collecting it, I had 900K's to test drive it home.
    I found no real increase in engine noise inside car, minimal "drone" that some have referred to after removing muffler.
    Car does perform better than my other TD5 D2, and climbed highway over escarpment with ease.
    have since done 3000k's in past week and find that fuel consumption is 10L/100k at average 110-120kph. (And vehicle has 235 tyres so running slightly smaller diameter than usual, which I am changing later in week.
    Have had to overtake semis on road and find that vehicle can hit 140kph pretty quickly.

  9. #39
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    What tune was put onto it? Did they turn up the boost?
    03 D2a Manual Td5 Modified, Ashcroft lockers F&R, Ashcroft R380,Atb lt230, Ashcroft Rear axles, AS manual IC, AS exhuast manifold, AS Coolant bottle, 3inch exhaust, alive GTB550 VGT, billies 7100s, 3inch lift, 4inch staino snorkel, 35s beadlocked

  10. #40
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    Re what tune and any boost?

    Quote Originally Posted by Kaaaiju View Post
    What tune was put onto it? Did they turn up the boost?
    Because of the "Virus" I couldn't be there and didn't meet the tech. He came to sworkshop, did the business and left.
    I did ask for re-map that would suit a vehicle that usually does long highway runs at 110-120kph, and is driven pretty steadily otherwise.
    Was told that "boost" move up slightly (about 2lbs), but I would have to call the tech to discuss what mapping he did. Was told it was nothing OTT.
    Am yet to add a snorkel, and told that won't chnage anything as far as the setup goes.
    Happy enough with it.

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