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Author I have a corsa b and need to upgrade my alternator
roadhog
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Registered: 29th Mar 08
Location: paisley
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   29th Mar 08 at 18:21   View User's Profile U2U Member Reply With Quote
can any 1 help with my prob i have 3 amps 1 9000 watt 1 1100 watt 1 225 watt and a power cap but need to upgrade my alternator my car is corsa b 14 sport
S@M
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Registered: 3rd Oct 07
Location: East Yorkshire
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29th Mar 08 at 18:22   View User's Profile U2U Member Reply With Quote
easier to remove some amps
roadhog
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Registered: 29th Mar 08
Location: paisley
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29th Mar 08 at 18:26   View User's Profile U2U Member Reply With Quote
no cant do that !!!!!!!!!!!!!
craig_s
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Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
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29th Mar 08 at 18:27   View User's Profile U2U Member Reply With Quote
get an alternator off a aircon model?may have a higher out put.
Simon_16v
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Registered: 14th Aug 06
Location: Yorkshire
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29th Mar 08 at 18:27   View User's Profile U2U Member Reply With Quote
I doubt any of those ratings are rms. Either way what fuses are on the amps?
S@M
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Registered: 3rd Oct 07
Location: East Yorkshire
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29th Mar 08 at 18:30   View User's Profile U2U Member Reply With Quote
yes you will probably get away with standard altenator, just put another battery in the boot
VegasPhil
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Registered: 16th Jan 05
Location: Fareham, Hants Drives: Octavia VRS
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29th Mar 08 at 18:30   View Garage View User's Profile U2U Member Reply With Quote
Will a diesel one fit?

Corsa 2.0 16v Vegas - Sold
roadhog
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Registered: 29th Mar 08
Location: paisley
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29th Mar 08 at 18:38   View User's Profile U2U Member Reply With Quote
main fuse 250 amp rats are not rms if thay were it would blow the car apart
Dan A
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Registered: 16th Dec 05
Location: Wakefield, West Yorkshire
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29th Mar 08 at 18:39   View User's Profile U2U Member Reply With Quote
Just put a decent batery on the car.
Like one of them yellow top ones that will do the trick.
Simon_16v
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Registered: 14th Aug 06
Location: Yorkshire
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29th Mar 08 at 18:42   View User's Profile U2U Member Reply With Quote
Well if your having no problem with charging/battery going dead im sure your alternator will be fine.
csweatherston
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Registered: 16th Jan 06
Location: Devon
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29th Mar 08 at 18:43   View User's Profile U2U Member Reply With Quote
100-120amp alternator off a cavvy, vectra with a/c should be a direct swap.
whats yours?..
60? 80?
roadhog
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Registered: 29th Mar 08
Location: paisley
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29th Mar 08 at 18:45   View User's Profile U2U Member Reply With Quote
all ready using exide maxximma 900 dc
Simon_16v
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Location: Yorkshire
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29th Mar 08 at 18:46   View User's Profile U2U Member Reply With Quote
Are you having any problems with your battery?
roadhog
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Location: paisley
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29th Mar 08 at 18:51   View User's Profile U2U Member Reply With Quote
not sure
roadhog
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Registered: 29th Mar 08
Location: paisley
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29th Mar 08 at 18:51   View User's Profile U2U Member Reply With Quote
no
Simon_16v
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Location: Yorkshire
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29th Mar 08 at 18:53   View User's Profile U2U Member Reply With Quote
Well you shouldnt need to upgrade it. People only usually upgrade if there alternator is struggling to cope with charging the battery and running a sound system
Dan295
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Registered: 9th Oct 06
Location: London
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29th Mar 08 at 18:55   View User's Profile U2U Member Reply With Quote
why not just wire up 2 battereis in parallel
roadhog
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Location: paisley
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29th Mar 08 at 18:55   View User's Profile U2U Member Reply With Quote
cheers
roadhog
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29th Mar 08 at 18:57   View User's Profile U2U Member Reply With Quote
no room in boot bass box takes boot
csweatherston
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Registered: 16th Jan 06
Location: Devon
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29th Mar 08 at 19:01   View User's Profile U2U Member Reply With Quote
whilst your engines running, do your lights dim - when your tunes are pumping?

if yes, put a bigger alternator on.
if no, leave it
roadhog
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Registered: 29th Mar 08
Location: paisley
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29th Mar 08 at 19:02   View User's Profile U2U Member Reply With Quote
yes
Dan295
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Location: London
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29th Mar 08 at 19:05   View User's Profile U2U Member Reply With Quote
a bigger alternator wont really give that much more amps though will it really, its the engine revs that will give the amps
csweatherston
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Registered: 16th Jan 06
Location: Devon
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29th Mar 08 at 19:05   View User's Profile U2U Member Reply With Quote
try and alternator off a vecra then, 100-120amp
Dan295
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Registered: 9th Oct 06
Location: London
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29th Mar 08 at 19:07   View User's Profile U2U Member Reply With Quote
are you running a powercap?
roadhog
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Registered: 29th Mar 08
Location: paisley
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29th Mar 08 at 19:09   View User's Profile U2U Member Reply With Quote
yes a 1.2

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