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warwick hunt

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Posts posted by warwick hunt

    oil catch can

    in Skoda Fabia Mk I (1999-2007)

    Posted

    It's stops the oil circulating and keeps everything clean. I'm assuming you don't have one. Not everything should be done for power gains, it's gaining in other elements Which is good for the engine!

    i meant the fitting of a catch can....half hour job to block the intake and run a pipe down the back of engine to atmosphere.

    EGR help!

    in Skoda Fabia Mk I (1999-2007)

    Posted

    its an anti shudder valve...stops the engine instantly when you turn ignition off...when you fit an egr delete you'll need to remove this and your egr valve...you will also need to unbolt the pipe with the 2 bolt flange that you can also see in the pic from the exhaust manifold and blank it off on there with a blanking plate...and plug the rubber hoses you've removed from egr/anti shudder valve.

    Big turbo kit

    in Skoda Fabia Mk I (1999-2007)

    Posted

    Guys, there really is no argument here, the vast majority of you 'Big Power' guys will be running at the same level give or take a few percent, stop playing 'Top Trumps' with your silly numbers.

    Warwick, you need to delete your sig and wake up, your naivete is touching but you can clearly afford to pay for all this stuff so it's not surprising that you'll find people willing to tell you what you want to hear while taking your money. If you want more, you pay more and you expect to get more. I'm telling you right now that you CAN'T have any more and you need to re-focus on reliability and driveability. FORGET BHP, BHP is for high-revving petrol/methanol/nitro engines, this is ONLY about torque.

    The best engine builders in racing are the ones who take a holistic approach and who don't look at anything in isolation, there is no secret to building race winning engines, it's about hard work, experience, skill, intelligence and attention to detail.

    The correct development profile for this engine is to determine the maximum amount of fuel you can reliably inject and at what engine speed.

    You then tailor the rest of your mods to suit those findings, in practice this means using the smallest possible turbo together with the largest possible intercooler necessary to provide enough oxygen to burn that fuel.

    I still think there may be scope for intelligent head modifications and a better camshaft profile designed specifically to increase the spread of torque available across a wider speed range, but peak power won't change a jot, you'll just have more torque available sooner and for longer.

    I promise you this, all the breathing mods in the world won't make you go any faster without more fuel.

    I fully appreciate your frankness sep and im willing to listen as like i say im new to diesels after having fast petrols all my life..as i said im not bragging bout nothing..mearly stating the figures jabba showed on the dyno print out..if they are tweaked to suit themselves im not to know..i would like to know what figures it gives on another dyno though...not sure if i'd actually like more power as the car drives superb,pulls like a train all the way to over 5000rpm and is very quick as it is...looking for more power may result in problems so mite be best left as it is... :thumbup:

    Big turbo kit

    in Skoda Fabia Mk I (1999-2007)

    Posted

    But the general consensus is that 230bhp is the safe max. Maybe an extra 5/10bhp can be eeeked out, by running a dangerous duration, but that's it.

    Honest truth? I believe either the correction factor was changed or absolute pressure was chaged prior to WMI run.

    Please come down to the 1/4 mile day, without everyone running on the same dyno, it's the only way this argument is settled.

    appreciate your opinion....do you think race injectors would make a diff on mine or anything for that matter?

    Big turbo kit

    in Skoda Fabia Mk I (1999-2007)

    Posted

    The only mechanism I can think of which will give that result (apart from a bent dyno op) is that your EGT's are already far too high and the WMI is bringing them down a bit with a combination of some chamber quenching and inlet charge cooling, if so your turbo/engine is not long for this world.

    TBH you're probably better off spraying the stuff onto the intercooler or drinking it, since it seems to me that you've completely hit the buffers with fuelling and you're already leaning off quite badly, possibly because your turbo is slightly too big.

    With this engine, the limiting factor is the injectors, once they are at full duty you can go no further, all you can do is look at losses to make sure more of that torque actually shows up at the wheels.

    The American TDI guys are quite right, if you need to inject more of anything it's Diesel, except you can't because your injectors are already at full duty.

    i asked jabba if i put uprated nozzles on if they would make a diff..they said no..i cant believe a professional company with the reputation they have would say that...and as i said on tdi thread they contradict one another re bhp figures achievable on stock nozzles...all very confusing.

    Big turbo kit

    in Skoda Fabia Mk I (1999-2007)

    Posted

    Frigger...

    Reading that thread on tdi club makes me laugh..everyone contradicting one another...some says 220hp max on standard nozzles..others say not so...some say wmi doesnt increase power...if thats so how does mine show power increase on the graph wen the wmi is on? (regardless of what the actual bhp truly is) does anyone actually know or is everyone guessing?

    Big turbo kit

    in Skoda Fabia Mk I (1999-2007)

    Posted

    How can WMI make ANY difference to a diesel engine?

    WMI is used on petrol turbo engines to delay the onset of detonation and therefore allow more ignition advance or boost to be safely used.

    Most petrolhead tuning lore is utterly irrelevant to diesel tuning.

    WMI isn't going to do any harm but, as a wise man once said:

    "Fools and their money are easily parted"

    Just fit a set of 'greens' mate. :rofl:

    so why does my graph show 10bhp more when its on?

    Big turbo kit

    in Skoda Fabia Mk I (1999-2007)

    Posted

    Post the question along with a dyno graph, and the correction factor used on TDIclub, and see what the professionals have to say.

    Aimed at Warwick hun, sorry!

    Please don't take offence Warwick Hunt, I was just planning my build

    Had fast petrols all my life and as this is 1st turbo diesel ive had im a novice as far as tuning diesels go..but reading that thread on tdi club makes me laugh..everyone contradicting one another...some says 220hp max on standard nozzles..others say not so...some say wmi doesnt increase power...if thats so how does mine show power increase on the graph wen the wmi is on? (regardless of what the actual bhp truly is) Devons has similar set up to mine and his been dynoed at 270 ish so 50bhp seen to be getting added from dodgy dyno's? Hmmmm.

    Big turbo kit

    in Skoda Fabia Mk I (1999-2007)

    Posted

    Oh, by the logic that Toms made 50bhp less on these rollers, my car may read 280bhp on other rollers, but I know for a fact that's not possible, and so do Darkside, and the mass majority of TDIclub.

    so jabba's figures re my car are false??? and its on standard injectors.

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