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You could read for days on what models and what years.  I looked into it just out of curosity.  I had a '96 Outback that got hit hadr in rear in front of my house - Perps insurance totaled it and let me keep carcass - BUT wife chimed in "you don't need another project."  It was a DOHC 2.5L which apparently had issues with heads and with the dual cams was pain to work on.  The EJ22 is a popular transplant - its SOHC but an older engine.  EJ25 is newer SOHC alternative. Turbos can be used but they take extra space and increase cooling challenge.  Seems cost issues are - adapter/flywheel ($600), exhaust, radiator/cooling, shortened oil pan, and the biog one the modified wiring harness due to ECU ($600).  And maybe a transaxle upgrade if you like doing burn outs!

http://www.thesamba.com/vw/for...10&view=previous

http://forums.aussieveedubbers...wtopic.php?tid=77027

http://bb.bbboy.net/vwengineco...ns-viewforum?forum=3

http://www.rjes.com/index.html

 

Last edited by WOLFGANG

I think Carey builds with a standard 2006 SOHC.  After that, engine controls get too complicated.  That's what's going in my Beck this winter.  He's doing a before & after weight. In addition to the motor & trans, the oil cooler, breather box, & full-size spare are coming out (radiator is packaged where the spare goes).  Really curious to find out the delta.

Well if your going to go to the expense of the subie, I would want a 2.5L 4 cyl at a minimum (175hp-200hpNA).  And if you use the mid engine setup of the SAS does that not reduce your back seat space ?  If you're height challenged I would want to sit in one before I jumped in with reduced seat room. 

FYI, a 3.0L subie six is 65-75 lbs heavier than a 4 cyl and under 2 inches of size difference. It can fit in a K Ghia easily why not in a 356? (over 200hp and no turbo sudden launch) Ray

Well, I am not far from you but I also have a long torso so I had my builder change my seats from Roadster to Recaro's and clearance the body to allow the seat to recline. 

I can now get into my ROADSTER with the top up and I can sit with my head BELOW the windshield, now my right seater says she cannot see over the dash board... you can't please em all  

The weight difference between a stock 2.2/2.5 sohc Subaru and a Type 1 aluminum block, dual-carb VW is about 40 pounds over the rear. Figure another 30-40 pounds elsewhere--mostly forward*--for the radiator and etc. The Suby is lighter than a Type 4.

The engines to have are:

1. 1992-1995 2.2. (Easiest install, non-interference valve train)

2. 1996-1998 2.2 (mostly the same, but an interference valve train. Slightly more power.

3. Later 2.5 with 2.2 sohc heads and intake (the so-called "Frankenmotor," which, with a set of cams and a step larger injectors will make about 180 hp** at the crank. 

The dohc engines are a little wider and a little heavier--not a problem unless your frame rails make it so. And a lot of earlier and pan-based Speedsters may present a fitment issue. 

As advised above, if you've got the dough, Carey is a very well-respected builder who knows way, waaay more than me or just about anyone else here who might chime in.

*IMHO: rear-mounted radiator schemes on these cars are a good way to make a complicated mess from what would otherwise be simple and functional.

**IMHO: if you need more than 180 hp you're going to make yourself some expensive engineering challenges. Turbos work great but make a lot of heat, and getting rid of the heat quickly becomes difficult. Not impossible...but difficult. The cost/hp curve in these cars gets pretty steep once you get over 180 hp.

Like Ed pointed out over 180 hp takes expensive engineering changes to be safe and reliable.  The OEM VW pan, suspension, brakes, and trans were designed to handle 60 horse power.  Bolt on stuff (disc brakes, trans straps, anti-sway bars, etc) can make it handle 130 maybe 160 hp.  Look at an IM, it gets a 911 suspension along with moving stuff around in a custom tube frame.

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