1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Drawings/Source for S4/S5 mounts and driveshaft

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Old Aug 4, 2009 | 09:52 PM
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Drawings/Source for S4/S5 mounts and driveshaft

Did a search, it looks like everyone just builds their own engine mounts, tranny mounts, and drive shafts for this swap. So, after all of these years, somone must have a working drawing available so that I can get them fabricated?

Or, anyone know a source for these or a shop that built them in the past that could build them again?

Thanks!
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Old Aug 5, 2009 | 07:37 AM
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Any decent driveshaft shop can make you the driveshaft, its just a T2 yoke on the front and a FB flange on the rear and the whole thing is a bit shorter than a stock FB shaft (t2 trans is a bit longer)
The typical approach for the engine mount is to use a GSL-SE front cover just mount it the same way as any other FB engine (you will need either the GSL-SE crossmemeber, the racing beat modified engine mount, or just slot the holes on your 12a engine mount, take your pick)
The trans mount can be done any number of ways, if you don't want to weld you can just get some square tubing and drill a few holes and make spacers to drop it down (t2 trans is taller than the fb transmissions.)
So to answer your question there really aren't any widley availalble mounting parts made for this swap, its mostly done yourself, but honestly getting the engine actually in the car is the easy part, getting all of the plumbing and electrical sorted out is the time consuming part.
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Old Aug 5, 2009 | 09:35 AM
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From: Wilmington, DE
Originally Posted by 82transam
Any decent driveshaft shop can make you the driveshaft, its just a T2 yoke on the front and a FB flange on the rear and the whole thing is a bit shorter than a stock FB shaft (t2 trans is a bit longer)
The typical approach for the engine mount is to use a GSL-SE front cover just mount it the same way as any other FB engine (you will need either the GSL-SE crossmemeber, the racing beat modified engine mount, or just slot the holes on your 12a engine mount, take your pick)
The trans mount can be done any number of ways, if you don't want to weld you can just get some square tubing and drill a few holes and make spacers to drop it down (t2 trans is taller than the fb transmissions.)
So to answer your question there really aren't any widley availalble mounting parts made for this swap, its mostly done yourself, but honestly getting the engine actually in the car is the easy part, getting all of the plumbing and electrical sorted out is the time consuming part.
Alright, I guess I should have been more specific, I have a GSL-SE. So, I can take the front cover (I'm assuming this means the part where all the accessories mount) off my engine and use my cross member. Racing Beat sells an engine mount that I can use.

As far as the transmission goes, something needs to be fabricated, looking for a drawing for this so I can get it fabricated.

Still looking for dimentions on the drive shaft so I can get that fabricated too. I guess I need to find a good driveshaft shop.

I will be running a stand-alone so I know that will be a pain to wire and tune...
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Old Aug 5, 2009 | 10:20 AM
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buy the respeed stage 1 crossmember kit. it comes with an improved engine mount

or you could buy the whole rack and pinion kit.. either way it is an awesome product
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Old Aug 5, 2009 | 11:47 AM
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Originally Posted by thunkrd
buy the respeed stage 1 crossmember kit. it comes with an improved engine mount

or you could buy the whole rack and pinion kit.. either way it is an awesome product
If Iget the Re-speed cross member kit, can I use the stock (S4/S5) front and accessories?
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Old Aug 5, 2009 | 02:55 PM
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No, either way you need the front cover from a first gen engine, preferably a GSL-SE like you have. And since you have a GSL-SE you don't need anything special in teh way of engine mounts since it already has a 13b in there. Just swap the front cover over the FC engine and in it goes.
I have the re-speed kit in both my FB's, rack and pinion is veeery nice
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