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  #1  
Old June 1st, 2010, 11:16 AM
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Robert Courtney
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Battery cable size

What size cable is everyone running from the battery to the starter on a 200Tdi? I always think bigger is better and got 2/0 but it seems pretty big. It's a 4 ft run from the battery box to the starter. Also I got an 870 CA Optimum yellow how does that sound?
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  #2  
Old June 1st, 2010, 11:36 AM
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John B.
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I think stock is 1 gauge. 2/0 is a good choice. If you use welding cable, it is MUCH easier to work with....than automotive cable.

Of course, I've never had a problem cranking, even at -40 with the stock cables..
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Old June 1st, 2010, 01:36 PM
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mark kellgren
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Quote:
Originally Posted by Red90 View Post
I think stock is 1 gauge. 2/0 is a good choice. If you use welding cable, it is MUCH easier to work with....than automotive cable.

Of course, I've never had a problem cranking, even at -40 with the stock cables..
John,
On a sidenote, I am VERY interested to hear what issues you have in a TDI Defender in -40 weather, and how to mitigate them.
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  #4  
Old June 1st, 2010, 03:12 PM
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John B.
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No problems. Just make sure you have a good battery. You should run a good synthetic oil to help starting flow.

I have a Webasto now, so try and and avoid deep cold starts, but it still works without it.
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Old June 1st, 2010, 08:32 PM
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Tom Rowe
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Assuming the starter draws 250amps, which I'm guessing is being very liberal, #1 would give you a volt drop of 0.3v, or 2.5%, which is within acceptable limits.
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  #6  
Old June 1st, 2010, 10:37 PM
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mark kellgren
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Originally Posted by Red90 View Post
No problems. Just make sure you have a good battery. You should run a good synthetic oil to help starting flow.

I have a Webasto now, so try and and avoid deep cold starts, but it still works without it.
I have dual isolated batteries, a webasto thermotop c and run mobile one turbo diesel. anything else, or am I set?
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  #7  
Old June 2nd, 2010, 12:23 PM
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John B.
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Quote:
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I have dual isolated batteries, a webasto thermotop c and run mobile one turbo diesel. anything else, or am I set?
Sounds good. Can't hurt to run some diesel fuel conditioner (with anti-gel) especially if you are not sure of the fuel source or if you buy it in a warm region and drive to a cold one.

What are you using for gearbox oil?
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