I had to fit a new alternator since the old one had died on me: I replaced the non-original alternator with a bosch 90A alternator OEM VW/AUDI. It got up to 13.9volts now, the regulator limits it to 14V.
As for your plugs, bosch is deff the recommended brand, but just about any high quality plug designed for your engine will work fine. (im currently running platinum in mine, and their fine, but lots of people have reported idel issues with them.) The motor was designed around a copper plug, so thats what it should run on best. so bosch copper is deff the way to go.
I ran the Toywagen with the waterpump and the crank. PS is only with the crank. I had to use a MK3 v-belt PS pulley for the waterpump as the stock one didn't align for some obscure reason. I have one of those aftermarket Bosch alts, so I had to put 2 washers to space the toyagen even more
Just get a good battery from a known "brand" manufacturer (Bosch, etc) - they will last much longer than a supercheapie
newer Bosch plugs, cap, rotor (maybe 15k ago)
Ive done it and it turned out awesommmmme
Bosch redesigned the alternator and they seem to last as long as the original factory warranty.
With the motor running, both low beams and high beams on, wiper on, rear brake lights on, heater fan at full speed and the stereo running at a good volume, the alternator provides 57 amps to the car at 13.5 volts.
regular Bosch wipers are crap and wear out quick. Bosch Icons so far are doing very well.
Don't use those, they suck. The center electrode is tiny, and fouls easily. I've had problems with them, and so have others. They don't last for ****.
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