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Old 01-04-2013, 09:53 AM
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It's a great exchange to do if you have the means to try it. Scooby engines are as efficient as they come, but they do need frequent servicing or you will have a vessel core quickly. Lots of information on Scooby trades on the VW boards and on one of the larger dune cart boards (including customized transaxle builds), so do some queries onto the boards for hyperlinks. . . . .
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Old 01-05-2013, 10:19 AM
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I went with a Subaru EJ25D NA engine bolted to a VW type 1 transaxle but I don't have a warm and fuzzy feeling about it. The clutch is a KEP and it has a very heavy feeling to it when depressed. If I use it, driving in traffic is going to be a real pain(in the leg)

Brett
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Old 01-05-2013, 02:59 PM
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Brett,
I thought you were running a 901 tranny with that engine. Per GEX, I asked them about going big on a VW engine, and they told me I could do anything I wanted, however, their freeway flyer models were designed for about 100hp max (To go with their 1775 dual carb models). The EJ25 should have about 140-160hp which as you know is a 30% excess. I know there are those that will swear by VW stuff, and that's fine. But the VW was designed for much less input. Just because it may tolerate abuse for awhile doesn't mean it good.


I would be nice, and drive maturely while looking for a beefier replacement. But that's me.
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Old 01-05-2013, 04:48 PM
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Don't say you've been talking with GEX, Yaughn! Run, don't walk, from those people. I wouldn't buy a spark plug from that outfit.

As for the transaxle... lots of guys out there running high horsepower engines through almost bone stock transaxles with no issues. Some guys prefer to weld the three/four gears for the extra strength, but it's up to how it's going to be driven. Really, the transaxle should be geared for the engine - a stock tranny with a Suby behind it is going to make the engine scream at highway speeds - remember, they were geared to keep a VW motor turning at 3500-4000 rpm for cooling. Rancho or any other reputable (not GEX) builders can advise on a good gear ratio to use.
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Old 01-05-2013, 05:26 PM
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HEH, Nope,... I haven't talked to them in years. Im a big fan of over-engineering things. Safer, than sorry thought process.

I had moved to an RX-7/901 transmission system on my bradley GT2 but never got it installed before I sold it for being a crappy (in general) kit car.
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Old 01-05-2013, 08:13 PM
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Quote:
Originally Posted by ydeardorff View Post
Brett,
I thought you were running a 901 tranny with that engine. Per GEX, I asked them about going big on a VW engine, and they told me I could do anything I wanted, however, their freeway flyer models were designed for about 100hp max (To go with their 1775 dual carb models). The EJ25 should have about 140-160hp which as you know is a 30% excess. I know there are those that will swear by VW stuff, and that's fine. But the VW was designed for much less input. Just because it may tolerate abuse for awhile doesn't mean it good.


I would be nice, and drive maturely while looking for a beefier replacement. But that's me.
I have a type 1 transaxle that I put a 3.88 ring and pinion in plus a few other up grades but after I got the engine bolted up and felt how heavy the clutch feel was I'm thinking of other options. Even the suby transaxle conversion is starting to look good.

What Porsche's came with that 901 transaxle. The yards here have 924 and 944 all the time.
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Old 01-05-2013, 10:38 PM
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The 911 has the 901 transaxle in it. The 944's and 924's had bespoke transmissions from Audi - the 944 was the superior box as it was mounted in the rear and fed by a drive shaft.
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Old 01-06-2013, 07:28 AM
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Quote:
What Porsche's came with that 901 transaxle.
Now that was a stupid question. that took me a little time to realize what I said but a 901 transaxle could only come out of one Porsche. The 911
The 924 and 944 have their engines in the front and don't use a transaxle. Dang another senior moment

Once in a while the yards get a 928 but thats no help.
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