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Eng-o-neer
Join Date: Dec 2011
Location: Los Angeles
Posts: 3,107
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Fascinating stuff. Target is $5k:
https://rennlist.com/forums/911-forum/1003184-i-am-making-reproduction-porsche-engine-cases-3.html Untested, for sure, but seems legit. Taormina Racing Designs |
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wow... subd for further reading
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81 SC 3.8 Conversion 2017 Macan S INSTAGRAM @tail_spinz |
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gearhead
Join Date: Nov 2007
Location: Loverland, CO
Posts: 23,539
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He's a member here under the same name.
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1974 914 Bumble Bee 2009 Outback XT 2008 Cayman S shop test Mule 1996 WRX V-limited 450/1000 |
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Join Date: Apr 2016
Posts: 1,176
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Yep, that's me!
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E-85 sippin drunk
Join Date: Jan 2002
Location: Warner Robins, GA
Posts: 1,554
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Now, once that is done, if you can turn your attention to finally getting us a perfect fan shroud
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Brad...930 gt-1 racecar, increased displacement to 3.6L, JB racing Cylinders, JE 8 to1 pistons, stroked crank, Carrillo rods, extrudehoned 3.2L intake, full bay Bell I/C, GT-2 EVO cams, Rarly8 headers, GTX-3584RS turbo, twin plug, P&P heads, Link G4 EFi system, G-50/50 with LTD slip and oil squirters/oil cooler, zork tube, full race coilover system, with carbon fiber body, full cage, E-85 sippin drunk |
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Registered
Join Date: Apr 2016
Posts: 1,176
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^ I have heard that more than once. What's wrong with the repros?
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E-85 sippin drunk
Join Date: Jan 2002
Location: Warner Robins, GA
Posts: 1,554
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Porous castings, machining that is sub-par, etc. If I shell out several hundred $$ or more for other parts, I expect perfection. nothing less.
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Brad...930 gt-1 racecar, increased displacement to 3.6L, JB racing Cylinders, JE 8 to1 pistons, stroked crank, Carrillo rods, extrudehoned 3.2L intake, full bay Bell I/C, GT-2 EVO cams, Rarly8 headers, GTX-3584RS turbo, twin plug, P&P heads, Link G4 EFi system, G-50/50 with LTD slip and oil squirters/oil cooler, zork tube, full race coilover system, with carbon fiber body, full cage, E-85 sippin drunk |
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abides.
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Do you mean fan housing?
930 fan housings are available from the dealer for ~$426. Looks like 3.2 fan housings are NLA. Not sure what the difference is.
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Graham 1984 Carrera Targa |
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gearhead
Join Date: Nov 2007
Location: Loverland, CO
Posts: 23,539
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There were several different diameters over the years.
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1974 914 Bumble Bee 2009 Outback XT 2008 Cayman S shop test Mule 1996 WRX V-limited 450/1000 |
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Registered
Join Date: May 2009
Location: Around Boston
Posts: 2,023
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I would love a 7R all aluminum case.
I could build my dream 2.8 short stroke I've always wanted...
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RSA Pinky Helga Turtle Carrera Luigi CDtdi |
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Join Date: Apr 2016
Posts: 1,176
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I would rather be driving
Join Date: Apr 2000
Location: Austin, TX
Posts: 9,108
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Another suggestion is the C3.0/early 930 case. These are unobtainium and used by many club racers. Allows the use of a 66mm crank on a later head and spigot spacing. high rpm screamers apply here.
Can you say 66x98 and 8500 rpm? Sweet, sweet music...
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Jamie - I can explain it to you. But I can not understand it for you. 71 911T SWT - Sun and Fun Mobile 72 911T project car. "Minne" - A tangy version of tangerine #projectminne classicautowerks.com - EFI conversion parts and suspension setups. IG Classicautowerks |
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Quote:
Diameter I fix them all the time. Weld up the cracks and blend to finish
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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Formerly known as Syzygy
Join Date: Mar 2008
Location: Calgary, AB
Posts: 4,420
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Quote:
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Kevin 1987 ROW coupe, Marine blue, with a couple extra goodies. The cars we love the best are the ones with human traits, warts and all. |
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Registered
Join Date: May 2005
Location: Loxahatchee, florida
Posts: 2,894
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how do you weld magnesium? I've heard its really hard.
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88 turbo Guards red Targa slant nose, and yes I am a horsepower junkie, 3.4liter,7.5 to 1 JE pistons, Adjustable WUR, Imagine fuel head, 1 bar waste gate headers,allthe cis toys. Now apart to become the next EFI monster. fabbing my own intake, headers Individual throttle bodies, MS-3, pauter rods, Xtreme twin plugged heads, gt-2 evo cams cop's. 2019 Silverado 6.2L |
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Registered
Join Date: Apr 2016
Posts: 1,176
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Quote:
If there is sufficient demand, I'll do it. Right now there's a ton of demand for the 3.6, some demand for the 2L, and frankly i just thought to do the 2.7 because I always wanted an aluminum 7r 2.7.. You guys decide for me - do you want an aluminum 2.7 or do you want an aluminum 3.0?? Of course I need to actually see a 3.0 to build one (I have a 3.0 in my SC but i don't think that's the one you mean). |
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gearhead
Join Date: Nov 2007
Location: Loverland, CO
Posts: 23,539
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The 76-77 3.0 case/early 930 case should be your middie size template. As mentioned one could do short stroke builds under 3l or standard crank for 3l.
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1974 914 Bumble Bee 2009 Outback XT 2008 Cayman S shop test Mule 1996 WRX V-limited 450/1000 |
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Registered
Join Date: Apr 2016
Posts: 1,176
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Huh, that's one of the few cases I have zero experience with. Who owns one that wants to loan it to me for a bit???
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I would rather be driving
Join Date: Apr 2000
Location: Austin, TX
Posts: 9,108
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The C3.0/early 930 case is special. It used the smaller crank journals of the early 66/70.4mm crank along with the wider cylinder head stud spacing of the 3.0SC/3.2 case. This allows the early lightweight crank with the later cylinder heads and larger diameter pistons.
The 2.8SS (66mm x 95mm) is fantastic engine and fits many race classes. To me the 2.0 and 2.7 case are basically the same. The only difference is the layshaft and cylinder spigots. Build the equivalent of the 2.7 7R aluminum case with the smaller 2.0 spigots for your castings. The finish machining can be done to open for 2.0, 2.2/2.4 or 2.7 cylinder spigots. In other words, only build one. Then the second could be the C3.0 case.
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Jamie - I can explain it to you. But I can not understand it for you. 71 911T SWT - Sun and Fun Mobile 72 911T project car. "Minne" - A tangy version of tangerine #projectminne classicautowerks.com - EFI conversion parts and suspension setups. IG Classicautowerks |
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Registered
Join Date: May 2009
Location: Around Boston
Posts: 2,023
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My personal favorite motor was build on 7R case.
Could have been built on an early turbo case. Sure. But from what I know there are not 7R Al cases. Just like Catorce(the builder) said I just want one. I always have. Pure lust. From a manufacturer point of view, trying to make money... I'll let him decide.
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RSA Pinky Helga Turtle Carrera Luigi CDtdi |
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