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Messages - bcmiller

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Trans-Am Camaros / Re: Track RPM?
« on: October 16, 2018, 08:22:02 PM »
There will be others that can answer better but my guess would be that most of the time they would want to be between 3500 and 7500.

Yes POPs are solid proof.

For this car in question, or any car without a POP, unless somebody followed it around 24 hours a day and every day since the final assembly - we canít say with 100 percent certainty that itís original. But we can be ďreasonably sureĒ.

Tim, yes there is rock solid documentation that SOME of the L65 cars did receive 12 bolt axles.

My posts may not have been very clear. Kurt made it a little more clear, but MAYBE I can make it crystal clear.

This car, with the L65, normally would have received a 10 bolt axle.

It actually received a 12 bolt with 3.31 ratio as a substitution, probably because either
A.  The car was ordered with the 3.36 axle and that ratio was not available at time of assembly.
B.  The car was ordered with a 3.36 axle AND a posi, but a 3.36 posi was not available at time of assembly.

B is more likely in my opinion, but A is possible.

Axle substitutions were not common, but they did happen.  I had a buddy in high school who had a gold 1967 Camaro with a 250 six cylinder/manual 3 speed/12 bolt with 2.73 and a posi. Normally that car would have received a 10 bolt, but it got a 12.

Restoration / Re: restoration of copo
« on: October 15, 2018, 09:44:08 PM »
Yep, a dedicated hobbyist can do awesome work too, if they know what to do.

1968 - Orphans / Re: 18N357971
« on: October 15, 2018, 09:42:53 PM »
Jim do you have a link or can you tell me which group it is posted in to see if I can get more info?

Decoding/Numbers / Re: Need help decoding this cowl tag
« on: October 13, 2018, 05:09:38 PM »
I donít have the exact date but I think first L78 was maybe late April.

Here is some good reading...;all

Decoding/Numbers / Re: Need help decoding this cowl tag
« on: October 13, 2018, 02:05:13 AM »

If an August or October tag has a 4K code, itís a reproduction.

Some good reading here.

Tag is 03D - axle is BS0318G1 - Engine code is HF

  Interesting about the 12 bolts, Bryon. So, I guess you "guys" aren't "full of shit" after all  ;)


Well, At least not ALL of the time. ;)

Restoration / Re: best gas tank sending unit
« on: October 11, 2018, 10:33:39 AM »
Seller in the eBay link in the first post did get back to me, and said wonít work with a 67. Not sure that is true. 


Kurt can correct me if I am wrong, but that table does not have the 12 bolt ratios listed for the L65. The performance ratio for the 10 bolt was 3.36 - so the closest to that would be 3.31 with a 12 bolt. Engine block in the car appears to be an L65 - original to the car.

I have learned a few things about the L65 cars in the past few months. And thatís good!

Itís probably an L65 with the correct 12 bolt. Not common at all, but of course rarity does not always correspond to high dollar.

Restoration / Re: best gas tank sending unit
« on: October 10, 2018, 09:02:18 PM »

It says that fits 68 and 69. Not sure if 67 is different, I did not think it was.

I asked the seller if he has one thatís for a 67 so we will see what he says. Price is great.

The car is very rusty.

Pulled out of a very rough part of Detroit, cheap. I am sure the previous owners would ďnot be happyĒ if they found out he was trying to flip it for 7x what he paid.

Itís a $5k car - max - in my opinion.

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