Is this a Big Block Car? - Team Camaro Tech
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post #1 of 9 (permalink) Old Oct 8th, 05, 07:51 PM Thread Starter
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Tony
 
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Is this a Big Block Car?

Hey guys I have a question about a 67 Big Block Camaro I saw at a car show this weekend. The guy told me it was a factory big block car. As I was looking at it, one thing caught my eye that didn't look right. The car had the big block blower motor case on it with the heater core tubes coming out in the correct place. But the two holes where the heater core tubes come out on a small block were punched out and you could see the firewall insulation pad through them. Is this correct or did he make a big block out of a small block car?
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post #2 of 9 (permalink) Old Oct 8th, 05, 09:48 PM
 
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Re: Is this a Big Block Car?

The firewall is the same on both the big block and the small block. Having said this, when converting to the BB heater core and cover, a rubber seal is supposed to be installed between the internal heater core box and the firewall. This seal covers the two holes normally used for the SB. Hard to say if its real based on your description, but some insulation poking out of the firewall does not mean that its necessarily a clone. The owner could have neglected to install the seal, as it can be a real PITA to install at times. One might ask why the core needed to come out though, because if the seal was missing, it may be have had a core recently.
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post #3 of 9 (permalink) Old Oct 8th, 05, 10:28 PM
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Re: Is this a Big Block Car?

Bob,

just send KZ (John) over to inspect the car. If you can shove his large head through one of those holes, then I'd say it was a real BIG block car.

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post #4 of 9 (permalink) Old Oct 8th, 05, 10:47 PM
 
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Re: Is this a Big Block Car?

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post #5 of 9 (permalink) Old Oct 9th, 05, 07:28 AM
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Re: Is this a Big Block Car?

A 67 big block car will have the option on the cowl tag. Next time you see the car, get the options off the bottom of the cowl tag, it will look like: 2G3SL4K write this down and post it, and you'll know more about his car than he does!

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post #6 of 9 (permalink) Old Oct 9th, 05, 08:05 AM Thread Starter
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Tony
 
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Re: Is this a Big Block Car?

I guess what I want to know is should the holes that the heater core tubes come out of for a small block be there? I was thinking that if the car was a big block, then there would be no holes where the small block heater core tubes normally come out. I looked at the trim tag and it did say it was a big block car, but that could have been replaced.
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post #7 of 9 (permalink) Old Oct 9th, 05, 09:16 AM
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Mark
 
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Re: Is this a Big Block Car?

Yes the small block holes should be there. There are only 2 firewalls used in a Camaro, A/C and non A/C. On a BB car (there are no 67 BB A/C cars) the holes are covered by a solid peice of foam sandwiched between the inner and outer heater boxes.

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post #8 of 9 (permalink) Old Oct 9th, 05, 10:27 AM Thread Starter
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Tony
 
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Re: Is this a Big Block Car?

Thanks guys for all the good information. This site is the greatest.
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post #9 of 9 (permalink) Old Oct 10th, 05, 07:13 PM
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Re: Is this a Big Block Car?

Quote:
Originally Posted by Mark C
On a BB car (there are no 67 BB A/C cars) .
Does this include the car handbuilt for A.J. Foyt??

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