Benefits of upgrading to a high ampere alternator (65 - 95)?

[AcidBurn]

Mga sir, ok lang ba mag-upgrade ng high ampere alternator for honda stock engine like ph12? Will it only have good effects or may disadvantages din? TIA

[K.I.L.L.]

Mga sir, ok lang ba mag-upgrade ng high ampere alternator for honda stock engine like ph12? Will it only have good effects or may disadvantages din? TIA

You'd probably want to upgrade your wiring too.

[7138]

maybe a bit of engine power will be sacrificed kasi your engine
will be spinning an alternator with a bigger capacity.

pero baka neglible din naman.

[kinyo]

if you won't be needing the extra power the new alternator will provide ... it is just a waste of money

[glenn manikis]

IMO.. the bigger the better.. done that on my van... from 95amperes to 140amperes...

Fuel consumption, power... no change at all... the same lang...

ang napancin ko lang mas tumagal ang life ng Battery ko, mas lumamig A.C. maybe because mas lumakas ang mga buga ng hangin ng aircon aux fan...

electricals.. wala naman kailangan baguhin.. at pareho lang naman na 12volts yan...

lastly easier morning start ups.... lalo na luma na ang van ko..

[cocoy]

IMO.. the bigger the better.. done that on my van... from 95amperes to 140amperes...

Fuel consumption, power... no change at all... the same lang...

ang napancin ko lang mas tumagal ang life ng Battery ko, mas lumamig A.C. maybe because mas lumakas ang mga buga ng hangin ng aircon aux fan...

electricals.. wala naman kailangan baguhin.. at pareho lang naman na 12volts yan...

lastly easier morning start ups.... lalo na luma na ang van ko..

curious lang sir.. what van do you have and where did you find that 140ampere alternator.. thank you..

[Retz]

Mdyo ot lang... Sa genset may alternator at may katumbas na engine. Either kung mas malaki ung alternator or mas maliit compared sa rating ng engine ay wala din mangyayari if you dont change or upgrade your engine. What i mean is hindi ba match dapat alternator sa size ng engine? Mas malaki nga alternator mo pero ung engine mo could only give this much. Just an analogy.


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[s10pao]

Mdyo ot lang... Sa genset may alternator at may katumbas na engine. Either kung mas malaki ung alternator or mas maliit compared sa rating ng engine ay wala din mangyayari if you dont change or upgrade your engine. What i mean is hindi ba match dapat alternator sa size ng engine? Mas malaki nga alternator mo pero ung engine mo could only give this much. Just an analogy.


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ung additional load dahil sa malaking alternator kaya pa rin i-offset nung engine.

[12vdc]

Mdyo ot lang... Sa genset may alternator at may katumbas na engine. Either kung mas malaki ung alternator or mas maliit compared sa rating ng engine ay wala din mangyayari if you dont change or upgrade your engine. What i mean is hindi ba match dapat alternator sa size ng engine? Mas malaki nga alternator mo pero ung engine mo could only give this much. Just an analogy.


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Or in other words..

Sa konstant load, ang resistance ng generator sa engine kung na upgrade ay lesser. Kung lumiit(downgrade) naman, ang engine ay overworked or overload condition.

Depende sa load. Bakit ka maglalagay ng 200Kva na generator na 20KvA lang ang konstant load.. Waste of energy to rotate the huge generator.

[jhnkvn]

Mdyo ot lang... Sa genset may alternator at may katumbas na engine. Either kung mas malaki ung alternator or mas maliit compared sa rating ng engine ay wala din mangyayari if you dont change or upgrade your engine. What i mean is hindi ba match dapat alternator sa size ng engine? Mas malaki nga alternator mo pero ung engine mo could only give this much. Just an analogy.

For all other purposes, yes. Since you try to mate the output with how much load you throw at it. It's kinda useless to have an alternator capable of 300A when you can only generate 30A of power. That's like feeding your car's engine with a fuel running up a Zesto straw.

However, this is not a problem in a car since your car's internal combustion engine can output so much horsepower. If you want to do it at a very simplistic view, 150A * 12V = 1,800W = 2.41 horsepower -- a minute amount on how much horsepower you generate at a given engine RPM.

This is why the people who set up their sound setup extensively (aka me) sees reduced fuel efficiency. One is that an ICE system will take up weight inside your car and second it makes your alternator demand more power depending on load. This is why overall, I suffer a rough -1km/L automatically on my day-to-day travels.