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Registered User
Join Date: Oct 2011
Posts: 7
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LP 640 928 Engine ??????
Building LP 640. 928 Engine with what Transmission combination ???????
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10-02-2011, 11:43 AM
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Registered User
Join Date: Oct 2011
Posts: 7
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Rear frame side view.
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10-02-2011, 11:49 AM
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Petie3rd
Join Date: Jul 2000
Location: Philly PA
Posts: 4,528
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cool looking project
so what is it that your asking? need more info about your engine selection, year and so forth
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^^^ Stan ^^^ 2019 BMW K1250 GS 2016 HD RK 1988 S4 Auto , Elfenbein Perlglanz, Pearl Gray 1982 5sp Met black and tan sport seats |
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10-02-2011, 12:49 PM
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Registered User
Join Date: Oct 2011
Posts: 7
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Would like to use 1991 to 1995 928 V8 Engine, this is mid engine set up. Have been told regular Porsche Trans will not bolt to this engine.
Last edited by LP 640; 10-02-2011 at 01:07 PM.. |
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10-02-2011, 01:05 PM
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Engineer of profanity
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The Porsche 911 transmission will not fit on a 928 engine. The 928 engine is mated to a transaxle. The transaxle tourque tube goes all the way through the middle of the car to a rear transmission. The only thing that might be possible is to build a 928 transmission onto the rear of a 928 engine without the tourque tube but I'm not sure thats possible. At least I've never seen anything like it, but thats not to say it couldn't be done. I've seen motorcycles with VW engines so I'm not going to say it can't be done. I would think it would take alot of machining and fabrication. You would be better off using a high horsepower 911 Turbo engine. Some of them make more HP than a 928 GT motor but the 911s don't have that monster V8.
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1970 Porsche 911T Black 1990 Porsche 944 S2 Red on cashmere 1984 Porsche 928S Euro ROW GP white on black Last edited by 924CarreraGTP; 10-02-2011 at 01:59 PM.. |
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10-02-2011, 01:46 PM
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Registered User
Join Date: Oct 2011
Posts: 7
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Does anyone know of any conversion using 928 V8 with any other Trans. ??????? thanks
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10-02-2011, 01:54 PM
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European Shark
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How about those 914-conversions using 928 V8's? Thats a mid-engined setup with the stock trans..
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1978 Porsche 928 Euro 5spd. Silver metallic/Black 1986 Porsche 928 S2 Euro 5spd. Meteormetallic/Grey. *Crashed* Owning a 928 is risky business - but sometimes you just gotta say "what the fudge". |
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10-02-2011, 02:09 PM
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Engineer of profanity
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In Excellence Was Expected by Carl Ludvigson I believe there is a story about a 928 engine in a boat. Thats about all I can dig up out of my photographic memory and about 300 porsche books.
The 928 was Porsche's flagship model and it didn't share many parts with the rest of the assembly line. I don't think that V8 will mate up to anything but a 928 transaxle. I'm saying you might could delete the tourque tube and fabricate some type of connection from an engine straight to transmission, but it would be a lot of work, welding, fabricating, machining and theres no telling if it would hold up. A 914 trans would be either a 901 transmission or a 915 transmission. I'm not sure that either one would hold up to a 350HP 928 GT engine. Google 914 with 928 engine.
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1970 Porsche 911T Black 1990 Porsche 944 S2 Red on cashmere 1984 Porsche 928S Euro ROW GP white on black Last edited by 924CarreraGTP; 10-02-2011 at 02:16 PM.. |
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10-02-2011, 02:10 PM
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Registered User
Join Date: Oct 2011
Posts: 7
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OK Thanks, is Dave Klim and FAB CAR still in business ?????
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10-02-2011, 02:16 PM
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European Shark
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1978 Porsche 928 Euro 5spd. Silver metallic/Black 1986 Porsche 928 S2 Euro 5spd. Meteormetallic/Grey. *Crashed* Owning a 928 is risky business - but sometimes you just gotta say "what the fudge". |
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10-02-2011, 02:20 PM
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Engineer of profanity
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Porsche 914 V8 - YouTube
oops, you beat me to it. It looks like the trans was fabricated with some type of conversion plate. You can see it when it shows under the car.
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1970 Porsche 911T Black 1990 Porsche 944 S2 Red on cashmere 1984 Porsche 928S Euro ROW GP white on black Last edited by 924CarreraGTP; 10-02-2011 at 02:23 PM.. |
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10-02-2011, 02:20 PM
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Engineer of profanity
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You could build a pretty raunchy 4.7 liter 16 valve, but if this will work for a 16 valve, the 32 valve is not that much different. I believe the transmissions in the 928s were the same throughout a large amount of the years they were made. That is if you don't mind putting big HP through VW transmission that shifts like a beetle. I would at the very least try to fabricate a 915 transaxle to the car to handle the HP. Putting a later 911 G50 trans in it would be cool but fabricating it might be much harder.
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1970 Porsche 911T Black 1990 Porsche 944 S2 Red on cashmere 1984 Porsche 928S Euro ROW GP white on black Last edited by 924CarreraGTP; 10-02-2011 at 02:33 PM.. |
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10-02-2011, 02:26 PM
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Registered User
Join Date: Oct 2011
Posts: 7
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Room is not a problem, there is 40" from firewall to axle center. from axle center back is 30". Thanks for everyones advice.
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10-02-2011, 02:43 PM
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Petie3rd
Join Date: Jul 2000
Location: Philly PA
Posts: 4,528
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I would suggest to get a S4 5.0 engine and see if you can add some GT cams they are more plentiful and less oil burning issues as with the 5.4 GTS engines
Of course you could supercharge it
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^^^ Stan ^^^ 2019 BMW K1250 GS 2016 HD RK 1988 S4 Auto , Elfenbein Perlglanz, Pearl Gray 1982 5sp Met black and tan sport seats |
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10-02-2011, 05:12 PM
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Moderator
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Yes, you'll see "The Alien" post here once in awhile. He has a 914 with a 16 valve 928 mated up mid-engine style. If it were me, I would do a Pantera Style set up.
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior 1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD** 
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10-02-2011, 06:13 PM
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Join Date: Feb 2008
Posts: 18,691
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Quote:
Anything less and your going to be running through trans like tires.
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dolor et pavor Copyright |
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10-02-2011, 08:45 PM
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Moderator
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Wow, I did a quick search on these kit's and they are actually inexpensive. I know you'll be putting a grip of money into it but that's actually affordable (not me but some).
View topic - Replica LP640 body kit $3999 :: Kit c e n t r a l :: Lamborghini Diablo And Other Kit Car Builder's Support Group  
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior 1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD**
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10-03-2011, 04:47 AM
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Registered
Join Date: Mar 2011
Posts: 470
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This 6 Speed looks good and should do the Trick . or you could just bite the bullet and get the whole car > Cheap only 100K a drop in the bucket
 Link to Photos : 6 Spd manual or 7 Spd Auto 2012 Porsche 928 GT Coupe - Top Speed "The new Coupe will also borrow the transmission choices from the Panamera, which include a six-speed manual as standard and a seven-speed automatic, dual-clutch DSG as an option. With all the technologies being borrowed from the Panamera, Porsche would have to use something from the old 928 to justify the name. This will be the rear-wheel drive system, with a transaxle helping to balance the weight distribution. Should all these come to fruition, the 928 GT Coupe could end up becoming a Porsche supercar that can hit 0-60 mph in 3.8 seconds with a pretty impressive top speed of 198 mph. |
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10-04-2011, 04:52 PM
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Registered
Join Date: Jun 2011
Location: Rancho Cucamonga, CA
Posts: 140
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While the 928 V8s are great, why did you decide to use one for your kit? I think there way better options out there that would suit the kit better.
As for transmissions, you could use an Audi FWD trans, Porsche, Renault/Lotus UN1, ZF etc. Any engine can be matted to almost any trans with a custom bellhousing adapter.
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'80 Guards Red 930, '89 Black 928 S4, '92 SLC Corrado, '03.5 Final Ed. Lotus Esprit, '06 Murcielago |
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10-05-2011, 10:39 AM
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European Shark
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 There is your solution, talk to this guy!
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1978 Porsche 928 Euro 5spd. Silver metallic/Black 1986 Porsche 928 S2 Euro 5spd. Meteormetallic/Grey. *Crashed* Owning a 928 is risky business - but sometimes you just gotta say "what the fudge". |
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10-06-2011, 11:17 PM
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1999 BMW 520i
1986 Porsche 928
