torredcuda
Well-Known Member
Is there a diagram for all the holes on the firewall for B-bodies, specifically a `70 road runner, I`ve seen them for E-bodies?
Firewall hole diagram?
- Thread starter torredcuda
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70NetRT
Member
The unmarked dimple holes are for the interior firewall pad plastic nails.
Shouldn't there be a hole for the engine ground strap?
70NetRT
Member
Not on the firewall (probably wouldn't hurt to add one). For 1970 the engine ground was part of the negative battery cable and attached to the rad cradle.
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I'm curious about your hole marked out for the Clutch Safety Switch wire........was that a factory hole, or did someone drill that one out ? I have not seen that before, and there was a thread about that earlier in the week. '70 RR firewall hole ID
The clutch safety switch is normally mounted on the pedal box, and the wire is internally fitted under the dash into the firewall terminal box.
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I believe that was used on '69 and prior.
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These forums are designed to help everyone....glad to know we can be or service.
70NetRT
Member
On a 70 it is a factory hole. The clutch (neutral) safety switch wire goes through the firewall to the starter relay. You can see the grommet on the switch wire in the attached pic. For automatics it is not drilled and is just a dimple in the firewall.
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