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06-07-2007, 08:23 PM | #51 | |
Scooby Specialist
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Join Date: Jan 2004
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MWSOC
Location: Zionsville, Indiana
Vehicle:99 Impreza Twin Turbo'd V8 |
Quote:
Nice build BTW!!!
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06-08-2007, 01:41 PM | #52 | |
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Member#: 6070
Join Date: Apr 2001
Chapter/Region:
South East
Location: Longwood, FL
Vehicle:2015 STi Dark Gray Metallic |
sleaving
Quote:
Sure. I'm just wondering what they are using as a rule of thumb as to when we should abandon the cast iron and go to ductile iron. Ductile iron has the added advantage of not only being stronger, but also being slicker, so that less frictional heat is produced. When subaru goes to a solid aluminum/silica alloy block like the new M3, I'm going to that motor! |
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06-08-2007, 01:54 PM | #53 | |
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Join Date: May 2003
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NESIC
Location: East Kingston NH
Vehicle:98 RS GT30R, closed deck madnes |
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06-08-2007, 02:19 PM | #54 |
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Location: Longwood, FL
Vehicle:2015 STi Dark Gray Metallic |
M3
I'm not sure about the percentages used, but silica is used in a lot of aluminum forgings to achieve different properties. Google it. The block I am talking about is the new V-8 M3 motor. Google it too. It is a fantastic motor.
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06-08-2007, 02:29 PM | #55 |
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SWIC
Location: las vegas
Vehicle:2002 Fatbody bugeye 03 R1 09 Raptor 700R |
I want to see the numbers on this bad boy!
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06-08-2007, 02:36 PM | #56 | |
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Join Date: Apr 2004
Chapter/Region:
Tri-State
Location: Here for now...gone tomorrow
Vehicle:02 Exedy Carbon clutches SLIP and SUCK $! |
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06-09-2007, 11:59 PM | #57 | |
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Member#: 67608
Join Date: Aug 2004
Location: SoCal
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Quote:
Also, "silica" isn't the same thing as "silicon" (or silicone, for that matter"). Mixing aluminum with "silica" wouldn't make an alloy, it'd make a Metal Matrix Composite because "Silica" is Silicon Dioxide, IE: glass. Subaru and BMW probably already BOTH use silicon as one of the elements in their casting matrix for their blocks. -Adrian |
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06-10-2007, 12:32 AM | #58 |
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Member#: 25859
Join Date: Oct 2002
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South East
Location: Foriderp
Vehicle:1965 MGB yellow 2008 Black Miata |
Waiting for video. You can never get enough H6 loving.
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06-12-2007, 11:37 AM | #59 |
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Member#: 82146
Join Date: Mar 2005
Chapter/Region:
South East
Location: Raleigh, NC (Brier Creek)
Vehicle:2005 Legacy GT OBP |
carbon is to steel
as _____ is to aluminum SILICONE! |
06-14-2007, 08:12 AM | #60 |
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Member#: 137502
Join Date: Jan 2007
Location: Wellington, New Zealand
Vehicle:1990 Legacy GT-t Blue over silver |
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06-14-2007, 03:52 PM | #61 |
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Location: Raleigh, NC (Brier Creek)
Vehicle:2005 Legacy GT OBP |
sorry i posted it in the wrong thread i think
someone was talking about the high silica content bmw motors somewhere on here and people were confused why there was silicone in the alloy. doh! my fault. |
10-02-2007, 05:59 PM | #62 |
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Any updates on this
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10-06-2007, 06:35 AM | #63 |
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Location: Qatar
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Waiting for video
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11-21-2007, 08:51 AM | #64 |
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Location: Portugal
Vehicle:2002 sti Prodrive black |
Any news or updates??
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11-22-2007, 07:19 AM | #65 |
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Join Date: Aug 2004
Location: SoCal
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Here's the real irony (and sorry for the continued OT): cast iron, ductile iron, white iron, etc ... ALL HAVE MORE CARBON THAN STEEL. I know that makes NO sense, since steel is pure iron + carbon + (multiple alloying elements, like molybdenum) .... but here's a phase diagram for iron and carbon alloying: http://www.sv.vt.edu/classes/MSE2094...es/kimcon.html
Note that anything above 2% carbon, is "cast iron", while less than 2%, which is closer to pure iron, is "steel". Go figure. Also, Aluminum has MANY varied alloying constituents, silicon being one of the most common, along with copper, and zinc. edit: p.s. When the right alloying elements are added, steel undergoes a phase change into martensite. While the austenite is shown in the steel portion of that phase diagram, if it were to show the martensite, it would have to note that austenite is "meta-stable" in the martensitic region until well below 0 degrees Fahrenheit. That's why many steels are cryo-treated. The austenite, which has larger grains, and is much less wear resistant, is almost entirely converted to martensite by the extreme cooling as it becomes less and less stable in the martensite region as the temperature drops. Last edited by SaabTuner; 11-22-2007 at 07:25 AM. Reason: More info ... |
12-13-2007, 05:19 PM | #66 |
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updates updates please!
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12-24-2007, 01:49 AM | #67 |
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Join Date: Oct 2007
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NEWS PLEASE!!!!!
I plan on doing a similar build but for a VERY different car..........'92 Legacy, total sleeper. have been planning it for some time and should be able to start when I get home from Kuwait. I have spent a lot of time with the guys at Pacific Import Auto gathering info but want as much as I can get before I start the project. |
12-25-2007, 01:08 AM | #68 |
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Member#: 137502
Join Date: Jan 2007
Location: Wellington, New Zealand
Vehicle:1990 Legacy GT-t Blue over silver |
Check out Jeff Perrin's very detailed build up report. May have to do some searching, or it might be on his website still, www.perrinperformance.com.
Also, I have a write up on here as well, http://forums.nasioc.com/forums/show...highlight=twin |
01-29-2008, 06:59 PM | #69 |
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Location: Portland, Oregon
Vehicle:WRX H6-3.0 Turbo www.surgelinetuning.com |
Update:
http://forums.nasioc.com/forums/show....php?t=1437246 Cheers, Jeff Also, I have some H6 parts for sale for those looking to do this conversion themselves: http://forums.nasioc.com/forums/show...7#post21111277 Last edited by sponaugle; 02-13-2008 at 01:34 PM. |
02-08-2008, 10:18 AM | #70 |
Former Vendor
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Join Date: Feb 2007
Chapter/Region:
NWIC
Location: Seattle, WA (Green Lake)
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Jeff,
From the pictures it looks like all the mains are fed oil from one side and a crossover tube on the bottom supplies oil to the head(via the block) on the other side, is this correct? Do the rods all get fed from their own main? Or are there shared oil passages on the crank like on the 4cylinder engine? Makes me wonder how well these things oil up in the RPM range. -Dominic |
02-13-2008, 01:33 PM | #71 | |
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Vehicle:WRX H6-3.0 Turbo www.surgelinetuning.com |
Quote:
Cheers, Jeff Sponaugle |
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04-21-2008, 09:50 AM | #72 |
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That's what dreams are made of
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04-22-2008, 09:42 AM | #73 |
Sammo Hung
Moderator Member#: 10613
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Vehicle:2002 USDM WRX WRB |
drooling..excuse me while i go to the bathroom..
where did you get your supertech goodies? |
05-08-2008, 09:29 PM | #74 |
Scooby Specialist
Member#: 99741
Join Date: Nov 2005
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MAIC
Location: raleigh, nc
Vehicle:2005 Wrx Sti CGM |
holy hell, i want your job...whatever your doin, its definitely right...much props, where is that video? im impatiently waiting
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05-08-2008, 10:11 PM | #75 |
Scooby Specialist
Member#: 99741
Join Date: Nov 2005
Chapter/Region:
MAIC
Location: raleigh, nc
Vehicle:2005 Wrx Sti CGM |
also. i tried pm'ing you but your inbox is full...since your a swapper, any suggestions on my build? im currently in the middle of the build and small improvements i could make on the way to completing it is more or less what im lookin for...plz take a peak ;]
http://www.rs25.com/forums/showthrea...=78047&page=14 "ej257 shortblock w/ jdm ej20k heads" |
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