mixer72 wrote:
.....so I had gained 334bhp just by fixing the alternator .....
Now that's what I call a result!
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| Author: | mixer72 [ Fri Aug 14, 2009 6:41 pm ] |
| Post subject: | if you have alternator problem |
As I have proved with my car when it was mapped about 2month ago that if the alternator is not working properly you will lose lots of power, I had it mapped not knowing the alternator wasn’t working and it was running on the batter all the time it was mapped and I got 306bhp, BUT as soon as I got home the car started to blow white smoke out he exhaust which was not a good sign I then found that the battery was almost dead and the alternator was not charging So I replaced the alternator and recharged the battery all was well and I noticed the power fell much better, but I seem to be over fuelling so I took it back to my mapped on Saturday with everything working and on the first power run the car made 340bhp so I had gained 334bhp just by fixing the alternator , so as you can see a faulty charging system or bad earthing and any thing to do with the electrics of the car will lose you power and performance |
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| Author: | Nibbles [ Fri Aug 14, 2009 9:18 pm ] |
| Post subject: | |
Rate of rise of current in injectors, and hence opening delay, is directly proportional to supply voltage so mixture will be directly affected. Also, reduced voltage will mean a weaker spark which will also have some effect. Most ECU's sense voltage and allow a trim to be applied. I guess something most mappers won't look at or alter from the generic values. |
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| Author: | TrackToyFour [ Fri Aug 14, 2009 9:41 pm ] |
| Post subject: | Re: if you have alternator problem |
mixer72 wrote: .....so I had gained 334bhp just by fixing the alternator .....
Now that's what I call a result!
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| Author: | Kris [ Fri Aug 14, 2009 11:00 pm ] |
| Post subject: | |
Wise words Chris and Mixer 
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| Author: | mixer72 [ Fri Aug 14, 2009 11:32 pm ] |
| Post subject: | Re: if you have alternator problem |
TrackToyFour wrote: mixer72 wrote: .....so I had gained 334bhp just by fixing the alternator ..... Now that's what I call a result! wish i had gained 334bhp i ment to say 34bhp lol witch is still a good result and now mapped to 353bhp and 300ft/lbs at 1.2bar |
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