G. Mann
Full Access Member
OK, I started some weeks ago with a question to the group about what I had to do to make a T-19 to ZF5 swap. I have a ZF5 from a gasser engine truck with a fresh overhaul on it and want to install it behind my 6.9. Here are the latest in my efforts.
Found a salvage yard that had a 1985 donor 6.9 engine/T-19 with adapter plate, removed the plate. At that point, I'm sure I have a plate that will fit my engine, now to try the plate against the ZF 5 setting in the bed. I did, and it ABSOLUTELY will not match the bolt holes on the GASSER ZF 5. Next!
Found a second donor 6.9 engine, this one from a 1989 truck which had a ZF 5 transmission. Engine is on the ground, plate is still bolted to the engine, the ZF 5 that came off it is setting two feet away. I removed the plate, took it to the gasser ZF 5 setting in bed of my 85 and mated it up.. NO FIT! Bolt pattern is WAY OFF.
Bottom line is this guys. The gasser ZF 5 bell housing uses a totally different bolt spacing. THE DIESEL ZF 5 BELL HOUSING is what I HAVE TO HAVE, With a diesel adapter plate. ....[damn!!!!!]
I bought the adapter plate, ZF 5, rear cross member, and even the sheet metal that goes in the floor.. I'm tired of messing around, I WILL have a 5 speed. Now I own two, one is fresh overhauled and doesn't fit,
Amazing what you can't do some days. Looks like I'm driving this truck forever after a new SM flywheel, 12 in clutch, two trans, a gear vendors $$$$$$ ouch.
Anybody got a good diesel forward case for a ZF? I got a good set of wide ratio guts. Hate to see the gasser trans go to waste.
Found a salvage yard that had a 1985 donor 6.9 engine/T-19 with adapter plate, removed the plate. At that point, I'm sure I have a plate that will fit my engine, now to try the plate against the ZF 5 setting in the bed. I did, and it ABSOLUTELY will not match the bolt holes on the GASSER ZF 5. Next!
Found a second donor 6.9 engine, this one from a 1989 truck which had a ZF 5 transmission. Engine is on the ground, plate is still bolted to the engine, the ZF 5 that came off it is setting two feet away. I removed the plate, took it to the gasser ZF 5 setting in bed of my 85 and mated it up.. NO FIT! Bolt pattern is WAY OFF.
Bottom line is this guys. The gasser ZF 5 bell housing uses a totally different bolt spacing. THE DIESEL ZF 5 BELL HOUSING is what I HAVE TO HAVE, With a diesel adapter plate. ....[damn!!!!!]
I bought the adapter plate, ZF 5, rear cross member, and even the sheet metal that goes in the floor.. I'm tired of messing around, I WILL have a 5 speed. Now I own two, one is fresh overhauled and doesn't fit,
Amazing what you can't do some days. Looks like I'm driving this truck forever after a new SM flywheel, 12 in clutch, two trans, a gear vendors $$$$$$ ouch.
Anybody got a good diesel forward case for a ZF? I got a good set of wide ratio guts. Hate to see the gasser trans go to waste.