69 BB with AC - Team Camaro Tech
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post #1 of 9 (permalink) Old May 24th, 00, 12:45 AM Thread Starter
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I have recently (last thurs) purchased a 69 Camaro SS/RS. It is far from being a "numbers" car but I was trying to figure if it was a factory BB car or not. Currently it is setup with a full roller 427 with an M-21 and 3.73 12 bolt. Supposedly the car is an AC car but the firewall has been modified a little bit. What are some clues otherwise to look for. Thanks in advance for any replys.

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post #2 of 9 (permalink) Old May 24th, 00, 02:39 AM
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Couple of things to check:

You could check yhe trim plate on the firewall and see if there are any X-Codes on it. An X66 code would definiely indicate a SS 396 big block origin assuming that the car's trim plate is original.

If the car was a big block, the two heater hoses would connect at the heater box on the firewall side to an area to the left of the passenger side valve cover as you are looking at it from the front of the car. A small block's heater hoses would connect almost directly behind the passenger side valve cover and are virtually hidden from view by the engine.

5 multileaf rear springs would normally be on a BIG BLOCK CAR.

There are other clues. Search on past posts and you will see more.
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post #3 of 9 (permalink) Old May 24th, 00, 05:20 AM
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Does it still have the AC box intact? BB versions are getting very scarce.

If it was a factory AC car there will be two holes on the firewall behind the RH fender, vertically oriented about 7" apart. One hole will pass through the evaporator case. BB engine side evaporator cases and evaporators are different than SB. Also, the firewall hole on AC cars is tall and narrow vs non AC short and wide. AC cars will not have the two heater line holes in the firewall next to the motor unless someone added them in.

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post #4 of 9 (permalink) Old May 24th, 00, 09:57 AM Thread Starter
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Thanks for the help. The car was built in Van Nuys so no X codes(my understanding is this is a Norwood only deal. Yes the evaporator box has been removed. There are no "non AC" heater core holes in the firewall. The heater hoses are connected almost directly in line with the pass fender.with a custom bent metal shield that does not look too bad. I will check out the hole. Thanks again. What about fuel line? On my Chevelle (68) the fuel lines 3/8" while if it had been a small block it would have been 5/16". Does this hold true for Camaros as well? . Trim tag matches original color(about 3 colors down). Car right now is white with orange stripes original color is Tuxedo black. Trim tag also matches the black Std interior. Thanks again guys

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Jeff
69 SSRS 396(roller 427 )

[This message has been edited by ace841 (edited 05-24-2000).]
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post #5 of 9 (permalink) Old May 24th, 00, 11:22 AM
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if the car is an original bb a/c car, then it had the 325 or 350 hp 396 (no air for the 375 hp). this means it would of had a qjet carb and 2 fuel lines - a 3/8" going into the pump and a 5/16" vapor return line.

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post #6 of 9 (permalink) Old May 24th, 00, 03:27 PM
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What type of rear springs does the car currently have? 12-bolt? What is the stamping on the rear end?

Mike's note about the fuel lines is a good one to check!

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post #7 of 9 (permalink) Old May 24th, 00, 05:02 PM Thread Starter
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Mike,

The fuel lines are as you described.

Steve,
I will Email the info for your registry by the weekend.

Here is a pic of car and engine compartment:
Car and Engine

Thanks for your help guys.

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Jeff
69 SSRS 396(roller 427 )
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post #8 of 9 (permalink) Old May 25th, 00, 06:56 PM
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well, you know you probably had a qjet. only thing is these came with the 350 ss too so you can't be sure it was a bb just by the gas lines. heater hose locations are a way to tell bb vs. sb, but as you said it's been modified. you might also check your radiator. if it's stock, a lot of bb a/c cars had the 4 row curved neck that was also used in the copo cars.

[This message has been edited by mike brown (edited 05-25-2000).]
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post #9 of 9 (permalink) Old May 25th, 00, 07:41 PM Thread Starter
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Mike,

It has the curved neck radiator but it looks very new...

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