Do these codes on the FW mean anything?
 

My truck has these numbers and codes written on the firewall. Do they mean anything or was this someone trying to mimic or reproduce the factory mfg codes used in mfg.

https://67-72chevytrucks.com/vboard/...ictureid=27374

Re: Do these codes on the FW mean anything?
 

L47 is your engine- 400 CI
M49 is your trans- 400 THM, I'm sure
J70 is power brakes, which were an option on 1/2T trucks
CE10934, see the chart
These were aids for the people on the assembly line for picking the components.

Re: Do these codes on the FW mean anything?
 

Is your truck a St. Louis build? I’d bet it is. They were famous for tatting up the firewall with assembly/option codes.

Re: Do these codes on the FW mean anything?
 

My St. Louis built 1970 Blazer had all sorts of tats on it's firewall. I replicated these during the resto.

https://67-72chevytrucks.com/vboard/...ictureid=27345

PT- ?
Z84 - CST trim package
KE10514 - 4WD V8 Blazer 104" WB
LS9 - 350 4 BBL V8
J70 - Power Brakes
M20 - 4 speed manual trans

Re: Do these codes on the FW mean anything?
 

Grease pencil markings:


http://67-72chevytrucks.com/vboard/s...light=sequence

http://67-72chevytrucks.com/vboard/s...light=graffiti

http://67-72chevytrucks.com/vboard/s...light=graffiti

http://67-72chevytrucks.com/vboard/s...light=graffiti

http://67-72chevytrucks.com/vboard/s...light=graffiti

http://67-72chevytrucks.com/vboard/s...d.php?t=545345

http://67-72chevytrucks.com/vboard/s....php?p=6543084



K