COPO?

[no69x-44]

Mike - The relay priecing is right below the power booster for the power brakes. Also, one of the hidden vin's is were the heater blower moter is stamped on the firewall.

[Supercar_Kid]

Mike the CI piercing I referenced is on the firewall, up and to the right of the heater box. No where near the brake booster. See the shiny silver relay to the left of the cowl air cleaner in this pic. Look for a punctured mounting hole there. Also, if the car has a factory A/C suitcase on the firewall, it's not a COPO, regardless of which way the evaporator tubes bend. No solid lifter engines had A/C, even in the 396 L-78 variety. Let us know what you find.

[Mike]

Thanks guys for the info. Can you usually see the hidden vin without taking things apart? No69X-44 I've seen the thread about your car and the photo of the hidden Vin. Is that behind the passenger wheel well?

Mike

[DarrenX33]

Sorry. Your gonna need some elbow grease. Not that bad to remove.

[no69x-44]

Yup, behind the passenger wheel well is correct. But there are bunch of other checks (see list sent above) that you can check off before actually taking things apart. At sometime, yes you need to get dirty

[Mike]

Just curious...what does the orange wire go to that is above the heater core housing in that photo?

Mike

[bkhpah]

The blower motor...BKH

[Mike]

Thanks Brian. I haven't spent any time analyzing the difference between big block and small block cars so here goes another potentially stupid question. Do the heater core supply and return lines actually penetrate through the firewall on a small block car or do they exit the core cover....just to the side of it versus the middle on a big block.

Thanks,
Mike