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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jan 2013 Posts: 603 Shop Shark | | Shop Shark Joined: Jan 2013 Posts: 603 | This was discussed a while back. My 57 GMC Bigbolt has all sorts of markings on the firewall: STD, which meant standard tranny I guess. HEATER, which I guess meant it got a heater. T372, got no idea. 1394 ?? 189129 ??
57 GMC LCF 370 55 John Deere 40-W 59 John Deere 430-W 2000 GMC 4x4 56 John Deere 420-W Pix on Photobucket | | | |
Entire Thread
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Engine out, what's this #75 on the firewall???
| Jetlag | 08/04/2014 1:37 PM | |
Re: Engine out, what's this #75 on the firewall???
| Flxible | 08/04/2014 3:17 PM | |
Re: Engine out, what's this #75 on the firewall???
| GMJager | 08/04/2014 3:55 PM | |
Re: Engine out, what's this #75 on the firewall???
| Jetlag | 08/04/2014 7:46 PM | |
Re: Engine out, what's this #75 on the firewall???
| Brad Allen | 08/04/2014 8:02 PM | |
Re: Engine out, what's this #75 on the firewall???
| Flxible | 08/04/2014 8:53 PM | |
Re: Engine out, what's this #75 on the firewall???
| Old GMC Gold | 08/04/2014 8:55 PM | |
Re: Engine out, what's this #75 on the firewall???
| Jetlag | 08/04/2014 9:10 PM | |
Re: Engine out, what's this #75 on the firewall???
| 52Carl | 08/05/2014 2:19 AM | |
Re: Engine out, what's this #75 on the firewall???
| DADS50 | 08/05/2014 2:55 AM | |
Re: Engine out, what's this #75 on the firewall???
| Achipmunk | 08/05/2014 3:55 AM | |
Re: Engine out, what's this #75 on the firewall???
| Jetlag | 08/05/2014 4:15 PM | |
Re: Engine out, what's this #75 on the firewall???
| Coneboy | 08/06/2014 2:28 PM | |
Re: Engine out, what's this #75 on the firewall???
| Jetlag | 08/06/2014 7:58 PM | |
Re: Engine out, what's this #75 on the firewall???
| Brad Allen | 08/06/2014 9:10 PM | |
Re: Engine out, what's this #75 on the firewall???
| DADS50 | 08/07/2014 12:50 PM | |
Re: Engine out, what's this #75 on the firewall???
| Jetlag | 08/07/2014 2:19 PM | |
Re: Engine out, what's this #75 on the firewall???
| Weeds | 08/07/2014 1:25 PM | |
Re: Engine out, what's this #75 on the firewall???
| Coneboy | 08/07/2014 2:50 PM | |
Re: Engine out, what's this #75 on the firewall???
| Brad Allen | 08/07/2014 3:03 PM | |
Re: Engine out, what's this #75 on the firewall???
| Jetlag | 08/08/2014 2:19 PM | |
Re: Engine out, what's this #75 on the firewall???
| Greg_H | 08/10/2014 2:28 AM | |
Re: Engine out, what's this #75 on the firewall???
| Jetlag | 08/10/2014 3:05 PM | |
Re: Engine out, what's this #75 on the firewall???
| Greg_H | 08/10/2014 7:19 PM | |
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