The Big 3 upgrade... This consists of adding heavy gauge wire (I used 1/0) from the battery positive to alternator output, battery negative to chassis ground, and chassis ground to engine ground). You can pick just about anywhere you want to ground the negative leads. I just used the spots easiest to access for me. Also I added the wire to the existing factory wiring, I did not replace them. Here is the battery positive to alternator output.
Battery negative to chassis ground. This is an existing ground next to the battery (removed for access).
Chassis ground to engine ground (I used the passenger side of the car for this, the other 2 are on the drivers side).
Here is an unused bolt hole that I used for the engine ground.
Need to add some heat shrink to the negative terminal....
Rough sand and test fit, I need to add glass in a few more places and mark where I want to remove more glass to form the shape I want. One thing I learned is do not use a sander it will take days, use an angle grinder with 36 grit sanding disc (the one with little flaps of sand paper made into a disc) for rough sanding/shaping.
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