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Old Nov 27, 2009 | 07:50 PM
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Default Replacement build sheets

Is there anyway possible to replace a build sheet on a c3? Mine was still on top of the gas tank, but after being there for 31 years, it is not readable. My 86 Monte SS has an rpo decal stuck on the trunk lid with all the options installed on it. Does the Corvettes have this?
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Old Nov 27, 2009 | 08:45 PM
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Here you go! Got a ZR1 or a LS6 , just input the options and these guys will build you a nice aged build sheet for you!

http://cgi.ebay.com/ebaymotors/1967-...Q5fAccessories
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Old Nov 27, 2009 | 11:55 PM
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There is a company, AAA enterprises that will reproduce a build sheet for you. But you need to know what kind of equipment your Vette had on it from the factory. It's late, But I'll look in my copy of 'Driveline' I think they have an ad in it.
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Old Nov 28, 2009 | 12:03 AM
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That's kinda my problem. Most options are easy to figure out, but while I had the rear out of the car I check the gear set and noticed that my car has the 3.70 gear. I was hoping to verify that these are the originals. If so, my 78 Pace car would be one of the 382 of all 78's produced with this option. I know they are original gm gears, but I also know that some one else has been in there before me. Somewhere I read that the original gear option code is on the housing somewhere.
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Old Nov 28, 2009 | 12:25 AM
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http://corvetteexhibition.com/cgi-bin/stickerHome.pl
Give this a try.
Cheers
Gav
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Old Nov 28, 2009 | 04:41 AM
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Originally Posted by lcgarageal
If so, my 78 Pace car would be one of the 382 of all 78's produced with this option. I know they are original gm gears, but I also know that some one else has been in there before me.
I'm curious where or what is your source for these numbers...have not seen this one before?
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Old Nov 28, 2009 | 04:45 AM
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Originally Posted by killain
There is a company, AAA enterprises that will reproduce a build sheet for you. But you need to know what kind of equipment your Vette had on it from the factory. It's late, But I'll look in my copy of 'Driveline' I think they have an ad in it.
AAA does the window sticker or retail sticker.
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Old Nov 28, 2009 | 08:29 AM
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great site thanks gav just made mine
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Old Nov 28, 2009 | 09:04 AM
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Originally Posted by hunt4cleanair
I'm curious where or what is your source for these numbers...have not seen this one before?
http://www.vettefacts.com/C3/1978.aspx

This site shows production numbers and other facts about the c3.
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Old Nov 28, 2009 | 09:22 AM
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http://100megsfree4.com/corvette/1970/vet78.htm

This site really goes in depth about the production of 78 C3.
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Old Nov 28, 2009 | 09:50 AM
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Originally Posted by lcgarageal
...Is there anyway possible to replace a build sheet on a c3?...
No. The Corvette order (a copy of which was glued to the fuel tank) was an in house publication at the plant. The original cannot be replaced. There are vendors who provide facsimilies of build sheets, window stickers, etc., but you must provide specific information about your car, a good deal of which you may not know without a build sheet.

Go here http://www.corvetteactioncenter.com/...x.php?cmd=area and see if you can obtain a copy of the original dealer invoice for your car. The dealer invoice will contain all the optional equipment, prices, the name and address of the original dealer, when the car was shipped, etc. The invoice will contain everything that was on the build sheet, plus additional informaiton.

Here's a copy of the dealer invoice for my '80:


Good luck.

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Old Nov 28, 2009 | 10:01 AM
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Originally Posted by lcgarageal
That's kinda my problem. Most options are easy to figure out, but while I had the rear out of the car I check the gear set and noticed that my car has the 3.70 gear. I was hoping to verify that these are the originals. If so, my 78 Pace car would be one of the 382 of all 78's produced with this option. I know they are original gm gears, but I also know that some one else has been in there before me. Somewhere I read that the original gear option code is on the housing somewhere.
Tom can correct me if required, but I believe the 3:70 ratio was standard with the L82 4 speed cars. There will be a stamping on the bottom of the housing with the letters 'OJ' amongst other data.
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Old Nov 28, 2009 | 10:37 AM
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Originally Posted by Mike Ward
Tom can correct me if required, but I believe the 3:70 ratio was standard with the L82 4 speed cars. There will be a stamping on the bottom of the housing with the letters 'OJ' amongst other data.
What would be considered as the optional "performance axle" ratio then? This is what I was trying to figure out. One source I saw showed it as "highway axle ratio" option, but I am just not sure.

Other Gm products with performance gear options are listed with the lowest ratio( highest numerically) available for a given model.

I am just trying to clarify things. I am still learning about my Pace Car and I always like to have correct info when talking about my car.

Thanks for all the help though!
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Old Nov 28, 2009 | 10:47 AM
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My data shows the optional ratio for an L82 w/4 speed as the 3:36 which is the 'highway' ratio. Had the been ordered as a L48 w/4spd, it would have come with a 3:36.

There was no 'performance axle' option for any Corvette in '78.
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Old Nov 28, 2009 | 11:59 AM
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Okay, this is what I was trying to figure out. None of the sights I have looked at really tell much about this option. I found one that made a reference to it as far as being a highway ratio, but nothing else.

Thanks for clarifying this for me. Like I said, I am still learning and I like to have my facts straight.

I am in the process of ordering a window sticker and other documents, that is why I really want them to be correct.

Thanks everybody for the great help!!
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Old Nov 28, 2009 | 12:06 PM
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You should call 800-222-1020 and ask for the restoration packet for a 1978. Have your vin handy. The information they provide is info that you can get through books and the internet but it is in a nice packet and probably no errors. (was free when I got mine)
This does not tell you exact info about what was ordered on your car. You need the invoice or build sheet for that. Just general info about the 78.

As far as ratio, for 78

L48 4spd-- A. base all states 3.36

L82 4spd -- A. base 3.70 B. optional below 4000 feet altitude 3.36

L82 4spd (close ratio) A. base 3.70

The buyer could have ordered a diff rear end than these listed.

Post #4 shows where to look for the code for the rear:
http://forums.corvetteforum.com/c3-t...ere-is-it.html
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Old Nov 29, 2009 | 05:23 AM
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Originally Posted by Mike Ward
My data shows the optional ratio for an L82 w/4 speed as the 3:36 which is the 'highway' ratio. Had the been ordered as a L48 w/4spd, it would have come with a 3:36.

There was no 'performance axle' option for any Corvette in '78.
Right on! The 3.70 was STD with either M20 or M21 and L82 while 3:36 was STD with the L48. The 3.55 was offered as option with L82 4 speed while one could order the 3.08 with the L48 4spd.

I've got some photos of the codes...see if I can find and post
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Old Nov 29, 2009 | 05:46 AM
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Originally Posted by lcgarageal
http://www.vettefacts.com/C3/1978.aspx

This site shows production numbers and other facts about the c3.
I see...the G95 RPO is the code for the economy axle option. What this website shows are the number (382) of the economy axles ordered which could be for either an L48 or L82 application. Those numbers represent either 3.08 for the L48 or 3.55 for the L82 motors. I have build sheets that confirm this as the case. So the G95 is an ordering option that would call out the correct economy axle depending on the motor specified...confusing but than that was the GM ordering system.

I have a rather comprehensive set of 1978 build sheets that shows the various codes for this model year which has helped figure out how this stuff works. Here's a link that describes later model C3 build sheets in some detail:

C3 Build Sheets
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Old Nov 29, 2009 | 09:48 AM
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All build data is available for any Bowling Green built vehicle. I'm sure these aftermarket build-sheet folks have paid to get the database from GM.
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Old Nov 29, 2009 | 11:21 AM
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Originally Posted by 7T1vette
All build data is available for any Bowling Green built vehicle. I'm sure these aftermarket build-sheet folks have paid to get the database from GM.
If only...........

I've seen bogus tank stickers for earlier C3s that look for all the world like an original. I though about having one made to order and claiming to have world's only 1973 L88/M22, radio and heater delete in 900 tuxedo black.

Amazing what can be done with coffee stains and a microwave.
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