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Quicker

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  12. suddenly - a lack of power

    in Engine/Ancilliaries

    Posted · Edited by Quicker

    I have the laptop with me today - so I'll freescan it on the drive home (hopefully).

    Some days it runs perfectly - so I don't think it's a mechanical issue like hole in piston.

    The coolant is fine - no loss and no oil.

    I have a hollowed cat. - maybe map?

    Fuel pressure and spark are the path I guess.... (same as always)

    I checked the waste gate - with the car off and it seems aligned appropriately (used the manual)

    It's almost like the wastgate get stuck open - but that would be unusual - right? (stuck closed I would get - however it seems to move freely and the diagram appears to be working)

  13. speedo makes a ticking/rattling noise...

    in Engine/Ancilliaries

    Posted · Edited by Quicker

    exactly what mine did - ticking, got worse, then started sticking.... until I fixed it.

    It really is not hard to fix your self - I an assuming that the 88 is similar to my 89. four bolt to get the binnacle out (disconnecting a few connectors and the speedo) and two nuts to get the speedo out. the speedo just comes apart with a small screw driver.

    you can see that my magnet backed off the spline and was rubbing on the floating cup...

    Speedo.jpg

  14. suddenly - a lack of power

    in Engine/Ancilliaries

    Posted

    folks - looking for some insight. I have been reading a lot of old threads...

    about a month ago, my Esprit suddenly 'began' having a lack of power in the middle of a drive home. the engine will rev through the rpm range but a little 'slowly'. It will not make more than a 1/4 of the normal boost levels. Getting going from a dead stop is a little 'tricky'....

    then - next time I start it - all good. Then two drives later - half-way on the drive home - bang, same issue.

    I havenot been able to catch it near the garage - so I have not had a look at it on the lift or run Freescan on it while the problem was there.

    Here is what I know:

    - although it feel the same as driving with the EBPV - athough part of my troubleshooting I wired it open

    - I though I my have an issue with the small vacuum line running to the manifold (where I t-d it for the dump valve) but I have replaced it

    - it's not clutch related since it will stall if I can't give it enough beans

    - it's got colder in Austin lately - so may/maynot be linked

    I'll hit it with freescan - any thing to specifically look at?

  17. Boost gauge calibration

    in Induction/Turbo/Chargecooler/Manifold/Exhaust

    Posted

    I'm in the same mode - about to add a wideband and boost controller as well.

    The reason you are going to a softer wastegate spring? Is it to allow that to be the low-bar and you will still set the 'normal' mode of your controller to 0.8?

    I have 89 SE - does anyone know how we allow the 15secs of over-boost? reading the service manual - it specs the max boost pressure for the wastegate at 0.65bar - tuning the movement of 0.38mm at 0.58bar. so how do we allow an spurt of overboost?

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