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Old 08-17-2000, 09:08 PM   #1
Patrick Olsen
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Post SVX engine = Porsche engine?

I subscribe to a couple road race/auto-x mailing lists. One guy's wife has an SVX, and he replied to one of my posts after seeing I had a Subaru. He implied in his original message that the SVX used an engine that was also used in a Porsche. Well, I emailed him back saying I didn't think there was much chance of commonality, and here's his reply:

"The reason the SVX is no longer made is that Porsche buys the entire engine production of the old flat 6 3.3L for use in one of the current 911 models (993 or 996 I'm not sure about but which ever has a HP
rating of 300 is the one). They add a bunch of stuff that raises the HP from 230 to 300. I've heard that they have known oil leaking problem in that model. I've had this confirmed by both Porsche and a rep from Subaru and it is common knowledge among some Porsche freaks."

This sounds a bit unbelievable to me. Have any of you Subaru freaks ever heard anything like this before?

Pat Olsen
'99 Legacy 2.5GT 5speed sedan
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Old 08-17-2000, 09:15 PM   #2
Digital_Boy
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Uhm, I think Sev should raise the Bull***** flag on this one.

Until the 99MY, all Porsche flat 6 engines were *AIR* cooled, whereas the SVX flat 6 was *water* cooled.

This year is the first of the watercooled Porsche turbo H-6, and the 2nd of the watercooled NA H-6
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Old 08-17-2000, 09:29 PM   #3
CNC84
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Post

Well if it is the same engine then why haven't I heard of any subaru folk using the Porsche's aftermarket parts in thier SVX's There is such a limited aftermarket for the SVX I am sure that if the engine was the same there would be plenty of 300+ hp SVX's running around.
Chris
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Old 08-17-2000, 09:30 PM   #4
JaiMak
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Maybe he just said they were the same because it's a horizontal boxer configuration?
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Old 08-17-2000, 09:42 PM   #5
NeedaScooby
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Have a Nice Day?

That is complete CRAPPPPPPPPP!!!
Digital Boy nailed it--the 996 is the first EVER 911 iteration that has a water cooled engine. I have no idea what that guy was talking about, unless he somehow swaped an engine from a 911 to the SVX--
The 911 hasen't been a 3.3l for a while anyway--The old 993's were 3.4l-except the turbo.
Big BS flag on this one!!!!


Sorry gotta add this-The current 996 engine is a direct derivetive from the LeMans winning GT1 Race Cars--NOT SUBARU!
True, Subaru seeked help from Porsche for the B4 but I know that the SVX engine is not in any 911!

[This message has been edited by NeedaScooby (edited August 17, 2000).]
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Old 08-18-2000, 12:38 AM   #6
slide
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It wouldn't surprise me in the least. Subie has had porsche in their development team since 1993. And if your gonna take the 3.3 H-6 to make 300+hp, it doesn't take much to make it a 3.4.
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Old 08-18-2000, 12:48 AM   #7
goten
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Post

porsche and subaru share the same engine isnt really a big thing... cuz porsche really have been working with subaru for a while. and there is just the new Legacy Blizten which is tuned by porsche...

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Old 08-18-2000, 03:42 AM   #8
MikeYOX
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Yeah, Porsche took the SVX's water cooled engine, bored or stroked it .1 liters, and performed a massive air cooling conversion on it. Yeah, that must be true!
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Old 08-18-2000, 07:39 AM   #9
Patrick Olsen
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Post

That's what I figured, too. The guy seemed pretty sure of himself in his email, though, so I figured I'd let the Subie experts take a cut on this one. I didn't think the displacements were the same, but I hadn't even thought of the obvious water vs air-cooled design.

Pat Olsen
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Old 08-18-2000, 07:46 AM   #10
CRZ_MSL
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Uh... No.
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Old 08-18-2000, 07:55 AM   #11
boxerman
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A visual inspection of the various castings would tell for sure. I doubt it. Although I wouldn't be surprised if Porsche engineers were involved in the design of the SVX powerplant. Porsche does a lot of business as an engineering consulting firm. Oil leaking is common on all Porsche flat 6's because of the split case and the dry sump lubrication.

Tim
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Old 08-18-2000, 07:57 AM   #12
Pilot
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Bull$hit doesn't even begin to cover it.

There has never been a 3.3L production Porsche engine.

The SVX motor would not fit in ANY Porsche engine bay because it is too wide.

Visually the engines don't even compare. There is not a single part of the SVX motor that looks anything like the current 911 motor (I won't even discuss the older cars because they were air cooled and some things should be obvious from that fact.)

As CNC84 said, if this were true the SVX would be the hottest import car in the universe.

and Lastly I'm a Porsche fanatic. I WOULD know about it.
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Old 08-18-2000, 08:10 AM   #13
MikeYOX
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Question

The SVX is a dry sump?
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Old 08-18-2000, 08:31 AM   #14
Kalins1
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Cool

I had read someplace once that Subaru and Porsche had shared an engine design. It is not that far off the wall to think that. It doesn't take a miracle to change an engine from air cooled to liquid cooled. Hell, the original Subie engines were air cooled when they were used for aircraft.
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Old 08-18-2000, 08:38 AM   #15
boxerman
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I think the SVX is not dry sump, but Porsches are.

Tim
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Old 08-18-2000, 09:46 AM   #16
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This is a CROCK, Bullsh$t, etc.,etc.,etc.

(unknown fact: the Ferrari 12-cylinder boxer is actually derived from 3 Subaru H-4's)

THAT'S WHAT THE GUY SAID!!
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Old 08-18-2000, 10:42 AM   #17
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Ummm you didnt know that Ferrari uses Porsche and Subaru engines? DUH!

And I bet you think ferrari designed the F50!
HAHAHAHHA All Subaru!
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