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Andy P

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Posts posted by Andy P

  3. Fuel Quality Sensor

    in G4+

    Posted

    brilliant thankyou

    looking at connecting the sensor, temp is sent on pule width, eth cont is sent on frequency, how does the ECU seperate the signals? and what type of ECU input does it need to feed into?

    cheese

  4. Fuel Quality Sensor

    in G4+

    Posted

    I'm looking for a fuel quality sensor to feed into a Thunder

    The car will run on E85 from the pumps which I believe to have a variable ethanol content 

    It can be mounted in the swirl pot, on the FPR or in one of the fuel lines, i'm not sure which would be best 

    Does anybody know of a suitable sensor, if it can also output fuel temp in addition to the ethanol content then I would prefer to use that as long as both are sufficiently accurate 

  5. Turbo Speed Sensor recommendations

    in G4+

    Posted

    I'm looking for a turbo speed sensor to feed into a Thunder

    The turbo is an IHI VF34 and does not have speed sensor provisions, physically I can drill and tap a hole to position the sensor to pick up on the compressor where it has 6 blades. It appear that this method of mounting rules out the Borg Warner sensor, now I am struggling to find an alternative, can anybody suggest a solution?

    I am unsure of the maximum speed that the compressor will be able to run at, it has a 34mm restrictor on the compressor inlet. 

  7. Power Ground I'm Confused

    in G4+

    Posted

    On 3/29/2018 at 4:59 AM, Adamw said:

    I will add a little bit too:

    In an automotive environment, the best grounding strategy to avoid ground offsets etc is generally star point grounding, this is where all grounds are tied to a single point.  If that was our only consideration then that star point could equally be the engine or chassis (provided there were no sensors that ground through the engine).  However a big part of the consideration of that star point location is that we also need to minimse magnetic loop noise from the ignition system.  To minimise this you need to make the magnetic loop as small as possible.  For most common ignition systems this means the ignition coil secondary ground needs the shortest path possible to the spark plug electrode.  Since we are using a star point ground and our coils need the shortest ground path possible then that means our star point needs to be on the engine.

    Does this include 'Gnd Out' (D5 Thunder)? or is this treated differently and does it have a different purpose?

  9. Thunder Cranking Detection

    in G4+

    Posted

    Do I need to use a Digital Input from the starter solenoid signal to detect engine cranking or is there another method of doing this? e.g. engine revs below x rpm.

    If possible I would prefer not to use a digital input for this duty.

  11. LSU4 Wideband Lambda

    in Guest

    Posted

    Can I use a Bosch LSU4.2 Wideband Lambda sensor with a Thunder?

    Sensor PN is 0 258 006 065

    If compatible with the Thunder, how is it connected? Is any other hardware required?

    Thanks for any help you may be able to give.

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