Thread: 66 Vette Firewall Markings?
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Old 09-03-2009, 02:46 AM
72-SS-L48 72-SS-L48 is offline
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Default Re: 66 Vette Firewall Markings?
It’s the job number. One letter and three numbers. Located on the engine side of where the passenger’s feet should go. Below the heater box. You will also find the same job number on the back tube. I've posted a few reference pictures for you.





-Dave
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