Re: Battery Cable terminations?
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Lots of great ideas. Take a look at this pic - how would you run the cable(s) to the starter from a rear-mounted battery? Kind of close to the headers.
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Re: Battery Cable terminations?
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One thing I forgot to mention, I grounded every piece of frame piece to the chassis. (Radiator support, cab, engine, and bed.) |
Re: Battery Cable terminations?
Yep, I can run wires through the frame but not sure I want to - could weaken things a bit where it pierces. If I wanted to, are there any good grommets to do that?
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Re: Battery Cable terminations?
Thanks for that option. I had to look up every piece that you suggested. I appreciate it.
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You could run it inside the frame, but I wouldn't. You cant see it and can't fully protect it if it shorts. You can get all manner of grommets from McMaster-Carr but if I had a custom box frame I wouldn't want to cut big holes in it either. |
Re: Battery Cable terminations?
MarkDTN - Thanks for your knowledge.
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http://madelectrical.com/catalog/tm-1.shtml |
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1-"Ford" solenoid is fine for a starter, but is not continuous rated. The kit doesn't use it that way, but somebody might try to use one to disconnect all power downstream. There are continuous rated solenoids available if somebody wants to do that. 2-I know there are a lot of people with remote batteries that rely on the frame for ground. I come from the heavy truck industry. They (and heavy equipment too) mostly pull a full size ground from battery to starter. Is it necessary? Maybe not, but starting performance is maximized. I would at least run a same size or 1 size smaller dedicated ground from battery to starter or block in addition to a frame ground. Ground wires are some of the most overlooked wires in automotive. |
Re: Battery Cable terminations?
Are you planning on using a mid-plate to mount the engine? That will change your engineering.
How fast are you planning to cover the quarter mile? I won't deny running a separate ground to the starter has its positive points but, in a race car the weight of the 2nd cable would be the overriding factor in that decision. At least it has been on my cars. |
Re: Battery Cable terminations?
Grounding the battery to the frame, then the starter/engine block to the frame is the way to go. Consider how much metal is in your frame. Now consider even a large battery cable running the full distance from front to back. You need to consider voltage drop here. The frame will have less of it than the cable.
Actually making proper grounds is critical here. Clean metal, good quality star washers, and corrosion protection. |
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