BMM (SPI) Felicia 1.3 TO S105 - Rapid

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Note: If you have any questions, you can ask me ‘po polsku’ or ‘auf deutsch’ or ‘english’.



Today I like to give you a few information’s how to plug a Felicia BMM System to your Skoda 105-Rapid (S1xx).



… Maybe you know, that the Jikov-carburetor is a very resistant carburetor, but sometimes he like to make trouble - especially when you don’t need it.

That’s why I think, that for all-day-us a BMM system is much better then a Jikov - especially in wintertime.

The second cause, why I plug the Felicia engine, is the economic one. This engine is young, is cheap, has 68hp and 102Nm.



So .. I don’t like to write to much, I prepare some pictures … and pictures say sometimes more than hundreds of words.



The most important things for plug the engine:

- buy an engine incl. the whole BMM Electric (you can disconnect the ‘engine electric’ from the rest of the ‘car electric’ close to the ‘carbon-filter’)

- buying the engine, look, that you buy a engine from ‘95/’96 +++ this engines have still the same crank axle like Skoda Favorit engines. Before installing the engine in your car, you have to insert a ball bearing into the crank axle.

- the ECU need to be from ’95 (without immobilizer) .. Otherwise you need additional to the ECU the starter-lock (from the same car) +++ Alternative, if you know the VIN-number of the car where the ECU comes from, you can ask in the Skoda-service to switch off the Immobilizer.

- the gear rim on the fly wheel … you need to change it for a gear rim from S1xx (the change is very simple - you need only a hammer, a chisel and 3min. time) +++ Don't forget !! the fly wheel is dynamically balanced with the crank axle, so it have to be connected back in the same position !! +++ Alternative, if you like to use the Felicia-starter, than you need only to change the position of the Felicia-starter-axle 2,5mm closer to the gearbox-/ crank axle (don’t forget later to block the Felicia starter from the other side, otherwise he will go out of place after the first run)



The plug of the engine is approximate the same like a plug of an Favorit engine … that’s why I don’t like to describe it again … just check the internet :)

to example:

www.rapidity.cz/motor.php



Now we come to the interest part of the Plug – the BMM electric.

- Hall sensor (see picture)

- Lambda sensor (see picture)

- Fuel pump … the best is an external pump with approximate 1,1bar (BMM/SPI)… but to buy such one is not so easy .. That’s why I have a 3bar external-fuel pump (for MPI) Up to now, everything is running well. (Fuel Pump: BOSCH - 0 580 453 911 / 12V (506) 964 14 Czech Republic 3)

- Connection of BMM-electric to the S1xx electric (see the pictures)



EDIT 8.6.2011



New fuel pump out of an Audi 80 ... BOSCH 0580-453-928-941-16

The old pump is broken. I think, its necessary to install an aditional valve in the fuel-pipe. On this way we can avoid, that the fuel run back to the tank and the pump run (when starting engine) dry.



Good luck!

kamikaze440

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Správce článku: kamikaze440
Založeno: 13.05.11 12:32   Poslední změna: 05.12.11 19:47

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