We have to be honest, this one was a bit of a conundrum for us when we first looked at it. We are very used to putting push-style clutch forks and transmissions so this pull-style was a little backwards.
We searched the googles and found some good resources, checked with a few mid 80’s to 90’s Porsche people and came up with a plan that when executed correctly, makes the install pretty easy. Almost not worth the hassle of worrying about.
Of course, the first step is getting the flywheel, clutch and pressure plate in place. We got our stuff from Kennedy Engineering Inc because we are mounting a G50/01 transmission to our GM Crate LS376/525hp engine. This requires a special flywheel, pressure plate and clutch.
Pull out your old clutch fork and inspect it. Ours looked pretty decent with some surface rust. The bronze guides tells us that the had been rebuilt somewhat recently, those were still good with no wear on them, we opted to reuse them.
This is the fork shaft after it’s been cleaned up. We’ll throw some grease on it before we install it fully.
For reference, this is what it’s supposed to look like once everything is installed and ready to go. However, you’ll have to thread the clutch fork shaft blindly from the outside. The G50 has the bellhousing built into it, so if you’re used to 2 separate pieces, this might throw you for a minor loop.
The trick to this entire maneuver is holding the clutch fork in place while you place the transmission. You can use fishing line, dental floss or in our case, we used a thin type of thread. The idea is that the first time the motor is fired up, this thin line will disintegrate and the clutch fork stays in place.
Here’s the procedure we used to get it easily in place:
Start pushing the fork shaft through slot “B” while looking through area marked “A” with a bright light (its hard to see). After it’s in a little bit, use your free hand to push the pivot on the fork backwards through slot “C”. You’ll be able to see the fork line up with the case and have to use your Jedi senses to get it right.
Then, once you have it started on the first part of the fork, reach over through the starter hole marked “D”. Use this hole to manipulate the fork to align the fork shaft while simultaneously pushing the shaft all the way through. You may have to use a few slight taps with a hammer to get it to seat fully.
You can see the shaft here fully seated. We will back the bolt out we used to guide it in and replace the original shaft bracket.
Reverse this process to pull the transmission out.
We hope this was helpful, we had to do it on our RCR SLC – “Grifter”. Admittedly, having a very open frame and no body work to deal with made things a lot easier.