SuperMotors.net Forums
Chris Eff
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• Los Angeles, CA, USA |
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• Registered on 6/14/2003 |
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• 2 posts |
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 Posted:6/15/2003 20:22 |
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I have an 89 XLT with a 5.0l engine.It has the stock alternator and can't seem to keep up with the demands of my system.I have a Sony Cd player,Polk audio 6.5's in the door kenwood(soon to be polk also)6x9's in the rear behind the seats and a pair of 12" Polk audio subs.I'm running the 6.5's and 6x9's on the head unit for now.But I plan to add a
four channel Audiobahn amp to match the two channel I have powering the subs.What can I do to beef up my charging system which is getting beaten up already???? any help is appreciated.   |
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WADE FULFORD
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• Terre Haute, IN, USA |
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• Registered on 2/25/2002 |
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• 1 post |
• 1 Vehicle
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Posted:6/17/2003 21:18 |
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The only problem is that the Polks' and Kenwoods' power is way too much for your cd player. The Sony can only push 30x4 (truly anyway), and the speakers are good for 100 rms easy each. Use a good 4 gauge power wire to hook that amp up, and I'm sure you'll notice a difference.
If that doesn't work, go to a electric supply store, and ask them for a capacitor. Find a nice one...streetwires....P.G. ...whatever. Print the specs and a pic and take it to the electric store. You will find them normally at an 80% discount or such.
After that, I'd have the electric system INSPECTED before purchasing anything.....
take care
Wade |
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E. Long
 
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• Subscriber since 1/1/2001 |
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• Atlanta, GA, USA |
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• Registered on 1/23/2001 |
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• 2,229 posts |
• 10 Vehicles
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Posted:6/18/2003 14:24 |
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| Quote: | I have an 89 XLT with a 5.0l engine.It has the stock alternator and can't seem to keep up with the demands of my system.I have a Sony Cd player,Polk audio 6.5's in the door kenwood(soon to be polk also)6x9's in the rear behind the seats and a pair of 12" Polk audio subs.I'm running the 6.5's and 6x9's on the head unit for now.But I plan to add a
four channel Audiobahn amp to match the two channel I have powering the subs.What can I do to beef up my charging system which is getting beaten up already???? any help is appreciated. |
Chris,
Summit Racing (http://www.summitracing.com) should carry higher amperage alternators for your 5.0. Just keep the bracket/hardware so that you can mount the new one. I believe '89 F150s came with either a 40 or 60 amp alternator. You should be able to find an 80-120 amp alternator.
I would upgrade the alternator before adding capaciters or anything else to your stereo. You're going to wear out the stock alternator and then you won't be able to drive your vehicle because the battery will keep dying.
-Eric
'67 Galaxie 500 - 390 FE, .030" over, FE to AOD adapter, disc brake conversion. The Daily Driver.
'00 Excursion - 7.3L PSD, LANDYOT Gen-II Radius Rods, Factory Tech Valve Body, 200K+ miles and going |
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BigSwede
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• Sarna, XX, Sweden |
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• Registered on 8/17/2002 |
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• 36 posts |
• 1 Vehicle
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Posted:7/22/2003 05:27 |
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Do you have stock battery or have you changed it?
It doesnīt matter how big alternator you have (or will get) if you donīt have a battery that can accumulate the input. The bigger battery the more juice you can put int to it (and out)...
For starters you can make a negative cable running from the alt to the batt to shorten the way for the power, and reduce any unwanted losses...
Best of luck to you! 
Bronco XLT -89
Stock 302cui EFI, K&N
AOD
2" Body lift (not been aplied yet) in the garage...
1300+ watts stereo
JVC MP3 cd
3 amps:1x 2x100w, 1x 2x200w, 1x 2x400w
8 speakers: 2x 6,5" lanzar, 2x 7x10" DLS, 2x 6x9" DLS, 2x 10" Lanzar
New pics!! |
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