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OCD project capitan
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Final build on 2.8 twin plug MFI engine
Hello all!
First of all, I want to say thanks to those of you who chimed in on my earlier posts with info and suggestions. Its been a couple years since I purchased the motor out of a falling down storage shack. To freshen everyone up, the motor is from a '72E, built with 92mm Mahles and RSR sprint cams. Now.... -3R and 4R case halves. Oil bypass update -Crank: micro-polished & center main drilled for oil of #2&5 rods. -3.2 oil pump -Supertec head studs -port 36mm intake/exhaust heads, polished exhaust -twin plugged -Pacific FI rebuilt MFI pump to 2.7RS -'72 stacks bored to 36mm -DC60 cams -John Dougherty recondition rockers -Roger Sheridan RSR fan shroud -Carrera chain tensioners -modified Bosch MFI injectors, close to RSR/934 sizing. -Bursch 1.625" headers -Dansk sport dual in/out muffler Special thanks to the fallowing folks for parts and especially their knowledge. -Clint Smith, Rebel Racing Products -Jim Patrick, Patrick Motorsports -Henry @ Supertec -Doug Ellsworth, Ellsworth machine shop: Mountain View Ca. -John Dougherty, DCcamshafts.com -Jim Thane, German Auto: San Luis Obispo Ca. -Roger Sheridan, Ulitmate914.com: RSR fan shroud -Mark Jung, awesome info on your posts! Thanks again! ![]()
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Don Welch '73 914ish ->6ish GTish 2.8 twin plug mfi... happy camper. Last edited by BigD9146gt; 04-27-2010 at 10:05 PM.. |
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Registered
Join Date: Jun 2003
Location: Camarillo, Ca.
Posts: 2,418
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Very cool Don! Enjoy your ride!
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Aaron. ![]() Burnham Performance https://www.instagram.com/burnhamperformance/ |
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OCD project capitan
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Hey, thanks Aaron! I forgot to add you in there for a special thanks as well when I was doing the modeling of 911 heads in solidworks... It should be fun, probably have it running in a week or so.
Cheers, D
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Don Welch '73 914ish ->6ish GTish 2.8 twin plug mfi... happy camper. Last edited by BigD9146gt; 03-28-2010 at 01:29 PM.. |
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Sports Purpose 911 Driver
Join Date: Mar 2002
Location: La Jolla, CA
Posts: 4,368
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can you share your experiences with this engine? what was/is your planned use for it?
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James Shira R Gruppe # 271 1972 911 Coupe 3.8 RS ‘nbr two’ 1972 911 Coupe 3.2 TwinPlug MFI 'Tangerina-Jolie' 1955 356 Pre A Coupe ‘old red’ 1956 356A Emory speedster build in progress |
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I'd say that sounds and looks like one solid little engine.
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Ed Hughes 2015 981 Cayman GTS 6 speed,Racing Yellow Past:1984 911 Targa (Ruby), 1995 993C2 (Sapphire), 1991 928S4 |
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Location: Dayton Ohio.....Americas Playground!!!
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Need to see more pictures and latest status. It looks great!!!!
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1997 C4S stock...ish 1970 911T Restored Hot Rod....Sold ![]() http://forums.pelicanparts.com/porsche-911-technical-forum/418411-here-my-new-old-project-lilly.html |
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Sports Purpose 911 Driver
Join Date: Mar 2002
Location: La Jolla, CA
Posts: 4,368
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agree...
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James Shira R Gruppe # 271 1972 911 Coupe 3.8 RS ‘nbr two’ 1972 911 Coupe 3.2 TwinPlug MFI 'Tangerina-Jolie' 1955 356 Pre A Coupe ‘old red’ 1956 356A Emory speedster build in progress |
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OCD project capitan
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Ask and you shall receive...
Updates: motor is almost ready to start up, got the air filters yesterday!!! Modified 911 MFI engine sheetmetal for 914, oil hard lines made up, wiring harness cleaned up, and MFI fuel filter console mounted. Making the MFI clear flex lines tomorrow and hopefully firing it up for the first time. ![]() ![]() ![]() ![]() ![]() ![]() I'll post more pics tomorrow evening of more parts, mods, and possibly engine in?
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Don Welch '73 914ish ->6ish GTish 2.8 twin plug mfi... happy camper. Last edited by BigD9146gt; 04-27-2010 at 10:50 PM.. |
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Location: Dayton Ohio.....Americas Playground!!!
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Can I ask what plug wires you are using and the sump cover? The motor looks awesome!
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1997 C4S stock...ish 1970 911T Restored Hot Rod....Sold ![]() http://forums.pelicanparts.com/porsche-911-technical-forum/418411-here-my-new-old-project-lilly.html |
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OCD project capitan
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The distributor and wires are from Patrick Motorsports, the sump is from Pelican's site... I think Aaron (BURN-BROS) makes them?
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Don Welch '73 914ish ->6ish GTish 2.8 twin plug mfi... happy camper. |
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Registered
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Thanks Don!
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1997 C4S stock...ish 1970 911T Restored Hot Rod....Sold ![]() http://forums.pelicanparts.com/porsche-911-technical-forum/418411-here-my-new-old-project-lilly.html |
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Great work Don. Looks fantastic.
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Mark Jung Bend, OR MFI Werks.com |
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Location: S California
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Where did you get the MFI injectors modified?
I'd love to see a picture with those air filters on...
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1970 911E Sportomatic Albert Blue 1971 911T Sunroof Coupe w/ Twin Plug 2.5 MFI 1973 911E Glacier Blue 1973 911E RSR Tribute Viper Green w/ 3.5 Twin Plug MFI |
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Location: Langley,B.C.
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Looks really good!
Cheers
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Turn3 Autosport- Full Service and Race Prep www.turn3autosport.com 997 S 4.0, Cayman S 3.8, Cayenne Turbo, Macan Turbo, 69 911, Mini R53 JCW , RADICAL SR3 |
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OCD project capitan
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![]() Hard oil lines... ![]()
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Don Welch '73 914ish ->6ish GTish 2.8 twin plug mfi... happy camper. |
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And the best part of my weekend, the motor runs, and Lou Ferrigno signed my shirt I bought at a comic shop in New York in 2000 before all the movies came out...
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Don Welch '73 914ish ->6ish GTish 2.8 twin plug mfi... happy camper. |
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