Re: trunk battery kit ?
I mounted the trunk the same direction as Fred has done. Less prone to plate damage upon acceleration, but then battery technology has improved since the install I did.
NHRA also requires min 3/8 bolts/holddowns for the battery to the frame/frame structure. I drilled through the rear rail and used the same all-thread for holding the tray to the floor, rail, and to hold the battery in the tray with a cross bar across the top.
Master ON-OFF switch on the rear panel, I wasn't concerned about street looks, and ran the cable through the pass sill trough, out the toeboard by the frame mount and over to the solenoid. Ground block to frame, body to frame and neg cable to roll bar rear bars. Should have ran a separate ground cable.
Also, NHRA requires either a sealed trunk or rear seat in place to keep battery acid in the trunk in case of explosion of battery.
If you have a mech reg alt, you should adjust for 13.5 volts at the battery to make up for the voltage loss through cable/connections. Or run your int reg alt 'sense' wire to the master off switch.
Master ON-OFF switch must do its job of killing the electrical system as required by NHRA. Tech Inspector can fail you if it doesn't. Dead engine, dead fuel pump, no sparks.
Some thoughts to think about.
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