COPO 9511

[PeteLeathersac]

Found a bit more 9511 info on this below CRG link w/ more clarification Copo 9511 was req'd to get 4:56 / 4:88 only and 4:10 available w/ RPO G84...

http://www.camaros.org/pdf/options.pdf

Note beside RPO G84;
4:10 available as the RPO alone..
4:56 and 4:88 req'd Copo 9511..
Also note under the 'requires' column is 12x37 for Coupe only
(so there goes the ragtop Copo possibilities!)..
Nothing indicating it required any specific engine so a Copo 9511 6-cylinder car possible?.

Also waaay down the page 9511 clearly notes 4:56 and 4:88 ('69 only)..


Keep digging!.
[img]<<GRAEMLIN_URL>>/beers.gif[/img]
~ Pete

[mockingbird812]

DH '69 Nova axle code info here,

[69L72RS]

The 9511 should have two letters after it to designate the axle ratio and type of ring and pinion.

The 9511 codes for a Nova that got a 4.56 and a COPO Camaro that got a 4.56 would have different suffixes.

The Nova would have received a standard duty 4.56 ring and pinion set (3862527-3862515) while the COPO Camaro/Chevelle would received a 3917973 (HD 4.56)(3916230-3916231) ring and pinion set.

The same applies for the 4.88s.

I know of a few COPO Camaros that have original &quot;BE&quot; rears with
the original 3917973 (4.56) gears. Two have window stickers that have the same suffix after the 9511 optional ratio code.

Hope this helps.

[PeteLeathersac]

Thanks for your input and great info!.
Yes the A/F/X-body codes you're referring to were different depending on which ratio 9511 was ordered..

1969 F-body 9511 order codes;
<span style="font-style: italic">(<span style="text-decoration: underline">not</span> tube stampings)</span>

4:56 = 9511-<span style="font-weight: bold"><span style="text-decoration: underline">DT</span></span>

4:88 = 9511-<span style="font-weight: bold">'__'</span>
<span style="font-style: italic">* If someone has this 4:88 order code, please post it here</span>

Good info on the two known 9560/9561 window stickers w/ the 9511-DT..
Also being originally supplied w/ the BE tube stampings!.

Are you absolute and how so on different gears only being supplied unless first a 9560/9561 F-body or 9562 A-body cars?.

Love to see paperwork etc of known 9511 '69 F-body cars if anyone can share?.
Or any Copo 9511 info, especially for 1969!.

[img]<<GRAEMLIN_URL>>/beers.gif[/img]
~ Pete

[69L72RS]

9511CB = 4.88 (3862528-3862516)

I have the &quot;DT&quot; suffix listed for the 3916230-3916231 COPO HD 4.56 and a different suffix for the standard 3862527-3862515 4.56.

[PeteLeathersac]

Purrrfect and thanks for the '69 9511-<span style="text-decoration: underline">CB</span> 4:88 order code!.
Aside from availability questions, is there any indication X-body cars would be any different than an F-body?.

Can you please share any of the non HD codes too?.
And for certain are the <span style="text-decoration: underline">non</span> HD 4:56 ring/pinion #'s posted what was factory installed w/ a '69 <span style="text-decoration: underline">non</span> 9560/9561/9562 A/F or X-body Copo 9511 order?.
Also are these the same/different than part #'s ordered for counter parts and/or installation at the dealer level?.

Thanks and please post anything Copo 9511, Vette's too!.
No '69 Copo 9511 X-cars yet but we're certainly learning something!.

[img]<<GRAEMLIN_URL>>/beers.gif[/img]
~ Pete


-----------------------------------------------

1969 F-body 9511 order codes;
<span style="font-style: italic">(not tube stampings)</span>

4:56 = 9511-<span style="font-weight: bold">DT</span>

4:88 = 9511-<span style="font-weight: bold">CB</span>


-----------------------------------------------

[hubleyman]

It seems like you are looking for cars that were built with some unique rear gears…

Here’s a 02A Fremont built 69 Chevelle that came from the factory with 4.88 posi. A friend of mine swapped out the entire rear diff with a more drivable ratio for the previous owner (he sold it at a swap meet some 20 years ago) so unfortunately I can’t get any codes off of it.

This car was the terror of my neighborhood back in the early 70’s when I was a teenager. It ran the typical Cragar SS’s with TA’s – which got smoked on a daily basis. Smoke occasionally came out of the cabin as well, but that’s a different story….. It always had a 454 in it and sported SS454 badges on the fenders from way back then. Bench seat, T400 on the column, gauge package and not much else.

Without an original rear housing to view, and no window sticker or build sheet (at least not yet, the interior is still all original and intact), I don’t think I have anything important to offer at this point in time???

My question is – are there any details that may be left on the car that would help this info gathering exercise? I don’t think the different ratios would require anything else special on the car, but if there is please let me know and I’ll look for it.

Charlie

[PeteLeathersac]

Great postings everyone and please keep adding anything useful also keep your eyes peeled for any paper on that '69 Chevelle Hubleyman|.
The more we understand the facts of this whole 1969 Copo 9511 thing the better as more previously unrecognized real Copo performance option cars are exposed!.

Here's another possible below, read the ad and note the KM rear axle tube #'s and POP..
Original L78 block admittedly MIA but may be a deal for a real '69 Copo 9511 Chevelle?!

http://cars.trovit.com/index.php/cod.fra....14/org.1/pop.1


[img]<<GRAEMLIN_URL>>/beers.gif[/img]
~ Pete

[67L78conv]

Quick update, I am still rummaging through papers as well but did come across a hand written note that I had forgotten about in one of my binders of dealer paperwork. Apparently the RPO G80 positraction was mandatory when ordering the steeper gears under 9511. This is why I had placed the price at $42.15 instead of $2.15 in my sites RPO listings. I did note it on the site for future reference.

Small steps.

[PeteLeathersac]

The info posted above including this link noted below all indicate G84 was req'd w/ a '69 Copo 9511 order, not G80?.
http://www.camaros.org/pdf/options.pdf

[img]<<GRAEMLIN_URL>>/beers.gif[/img]
~ Pete