Spid breakdown needed

[hartleymetalworks]

What do i have here? And what is g-78-15 b highway bb??

[SS Tim]

Was there something specifically you wanted to know?

1972 Cheyenne/10 LWB Fleetside
Built in Flint,MI
Deluxe Two-Tone of med bronze and white
Black Cheyenne trim
350/TH350
Air Conditioned.

RPO PU8 (an optional tire selection) was for five white stripe G78-15-B Highway BB tires .
G78 is the tire width and section height (about a 215/75R15)
15 is the wheel size
B is the load rating
Highway means a highway tread vs an on /off road tread.
BB means a bias-ply belted tire

[68bowtie]

what he said ^^^^^

what does the first "C" mean?

[SS Tim]

Originally Posted by 68bowtie

what he said ^^^^^

what does the first "C" mean?

Which one?

In the VIN.
The first "C" denotes Chevrolet. "T" would be a GMC.

In the model number (and the second letter of the VIN),
"C" is 4x2 chassis and "K" is 4x4 chassis.

[68bowtie]

vin. all my trucks have had CE... C being 2wd, E being v-8, etc... i haven't seen one starting with CCE...

http://67-72chevytrucks.com/Chevyear.html

[SS Tim]

The added character started in 72.
VIN/Model Decoders

[68bowtie]

10-4 thank you sir.

[Keith Seymore]

I see this SPID already has the dummy character "1" filling in front of the RPO code, but still has some additional function name info following the code.

Tim - was the RPO code always associated with 5 tires?

During the squarebody era the codes were separated for front/rear/spare to allow for different tires front and rear.

XFL - Front
YFL - Rear
ZFL- Spare (or no spare)

Did '67-'72 ever have anything like that?

K

[hartleymetalworks]

thanks for the help. i was kinda just wanting to see what all has been changed or modified on my truck. i was told it could possibly be a "fake" cheyenne....but with the spid saying cheyenne package, i doubted what i was told. i was also told it didnt have cheyenne door panels?? i didnt know there were different panels....ill post some pics later to see what yall think.

[SS Tim]

Originally Posted by Keith Seymore

I see this SPID already has the dummy character "1" filling in front of the RPO code, but still has some additional function name info following the code.

Tim - was the RPO code always associated with 5 tires?

During the squarebody era the codes were separated for front/rear/spare to allow for different tires front and rear.

XFL - Front
YFL - Rear
ZFL- Spare (or no spare)

Did '67-'72 ever have anything like that?

K

Want to say PU8 goes back to 70. It was the white stripe only upgrade of the base tires (thus five).
Here is a clip for 72 CK10 pickups (tubeless) as an example.

There were indeed code breakouts specifiying front, rear or spare. More typically on the 10 series they offered a pair and a spare. So say you wanted the on/off road tires on the rear you could order it with three on/off road or three highway with a code for the remaining two tires (5, 3/2 or 2/3 breakouts). If they were used, the suffix codes would have reflected the pair or triple. On 20-30 series a seperate RPO code callout was used for a spare or wheel like the squarebody (2/2/1 breakout). Unfortunately optional tires were not always reflected on the SPID.

[Keith Seymore]

Thank you -

K

[hartleymetalworks]

These look like factory cheyenne??

[special-K]

It's a Cheyenne, but maybe someone switched door panels. A '72 Custom would have plain door panels. Custom Deluxe, Cheyenne, & Cheyenne Super all had the same fancy door panel. It has stainless trim surrounding a scroll pattern. That only shows on the Custom Deluxe while the Cheyenne & Cheyenne Super have woodgrain panels that cover that up. That panel can be removed to expose the scroll. I took mine out to match the seat (Sierra = Cheyenne) and people comment on it being wrong for a Sierra

[Steve Hafner]

Flip it . . .

[jocko]

go here - I concur, very worth it.
http://67-72chevytrucks.com/vboard/payments.php