FamilyGuy
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posted on 31/8/18 at 07:44 PM |
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Starter motor cable rating
I need to buy some cable to connect battery to starter motor on my focus st170 engined build. Problem is I don't know what amp cable is
required. They seem to range from 110 amp to 485 amp. The length of the cables will less than 1.5m.
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big-vee-twin
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posted on 31/8/18 at 09:51 PM |
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I bought some ready made one's from Halfords, don't think they were too expensive.
Duratec Engine is fitted, MS2 Extra V3 is assembled and tested, engine running, car now built. IVA passed 26/02/2016
http://www.triangleltd.com
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paulc
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posted on 31/8/18 at 10:23 PM |
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Not sure how much help it is, but I used 300 Amp for my Rover V8.
Works fine.
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FamilyGuy
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posted on 1/9/18 at 08:12 AM |
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CBS do 345 amp 50mm2 cable, that should do the trick then.
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40inches
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posted on 1/9/18 at 09:15 AM |
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I would say that 25mm would be more than adequate. Try VWP http://www.vehicle-wiring-products.eu/product.php/579/battery-starter-cable
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paulc
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posted on 1/9/18 at 08:58 PM |
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Yep, I went with 300 amp (40mm2) to be on the safe side for a V8.
You can probably go down in rating from there for a 4 cylinder.
Paul
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FamilyGuy
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posted on 2/9/18 at 08:57 PM |
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If I go with 40mm2 then I should be safe. I'd rather stay on the safe side.
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paulc
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posted on 2/9/18 at 10:22 PM |
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I think you could probably go with 25mm2, but 40mm2 will definately be ok.
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jossey
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posted on 3/9/18 at 05:14 AM |
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Speaker wire should be ok. The stuff from wilkinsons....
Thanks
David Johnson
Building my tiger avon slowly but surely.
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FamilyGuy
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posted on 13/9/18 at 09:28 PM |
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Quick update. I measured the standard focus starter cables today and the core was approx 6mm diameter which would mean about 28mm2.
I guess I'll go with 35mm2 cable then instead of 40mm2 and I'll be well safe still.
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