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    Results 1 to 5 of 5
    1. #1
      Join Date
      Dec 2019
      Location
      Missouri
      Posts
      67
      Country Flag: United States

      Battery Cable Length

      Ok. I am no mechanic. I have 69 Firebird with a Chevy 350 motor, but bored out to 408 Stroker. It dyno tested top around 518 HP and 521 Torque. It does use pump gas. So I suppose not to extreme on compression. Still in process of car being put together. EVERYTHING in engine compartment is stainless steel braided. I like old school muscle car look. I can purchase Taylor Cable battery cables that are Stainless steel braided. Look nice. Their thickest gauge is 4 gauge. My longest cable ( to starter) would be 48 inches long max. I do have a MSD mini starter that has the gear reduction for easier starting. Anybody see any problems with this cable? If they had 2 gauge I would get it but they dont. Thanks. Jerry

    2. #2
      Join Date
      Apr 2001
      Location
      The City of Fountains
      Posts
      15,971
      Country Flag: United States
      It'll be fine.

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
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      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her

    3. #3
      Join Date
      Jan 2014
      Location
      Portsmouth NH
      Posts
      247
      Country Flag: United States
      Here is a handy voltage drop calculator. Check how much voltage drop you will have with the different cable sizes. The more voltage you lose the less power your starter will have. Simple!
      https://www.bestboatwire.com/voltage-drop-calculator

      P = I x V P in Watts, I in Amps, V in volts

      example: if your starter pulls 200 Amps. for every 0.5 V drop you lose about 100 Watts
      P = 200A x 0.5V P=100W

      Remember the longer the cable the more the losses too. So if you decide to trunk mount in the future you need to take that into account.
      1969 Camaro (Small Tyre Restomod/mild Protour) 245/40/18 F, 275/35/18 R, stock frame, full Ridetech suspension, LS engine, T56 Mag, Wilwood Brakes. A driver car.

    4. #4
      Join Date
      Jan 2018
      Location
      Saint Louis, Missouri
      Posts
      87
      The short runs should be fine.

      If you ever want to run larger wire like a 1/0 and cover it with the stainless steel braid you could do like I did back in the 90's and find the right ID heater hose in the stainless braid and then slide the larger cable inside if it. To finish off the ends modify some AN fittings.

      It might be harder to find but years ago they also sold just the stainless braid sleeving and it worked like the Chinese handcuffs and could be shrunk down in diameter once the wire or hoses were inside of it.

      Just found this and it looks like they still make it in a 10' or longer length:

      https://www.amazon.com/Electridct-St...49159484&psc=1



      Jim

    5. #5
      Join Date
      Dec 2019
      Location
      Missouri
      Posts
      67
      Country Flag: United States
      Thank you all for replies.







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