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Old 07-01-2019, 01:54 PM   #1
yaris9876
 
Drives: yaris hatch 07 640K original m
Join Date: Mar 2007
Location: usa
Posts: 285
start mod

I built a capacitor start module with 80 farads of caps(14v in series) and hooked up to a half size motorcycle agm battery. The caps deliver about 240 amps. It was originally to replace the battery in a pick up with a 4 litre. BUt its not powerful enough for that engine. So I was wondering if it would work in the 1.5 litre Yaris. I would guess the Yaris needs about 200-240 amps to do a good start.
THe caps deliver most of that and then the battery lends 100 amps if needed. The agm is rated at 170 cca but can spike to 400 amps if needed. But if you wanted it to last it would be better to keep it down to 150 amps roughly I guess. Has anyone tried a supercap start on a Yaris 1.5? I want to know if there is some sensitive stuff that would get hurt from the cap shot. But really a good bttery gives just as much a shot of current as a cap module of this size does
so it seems it would be ok...but I want to get some info from others...
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