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FS: 3.0L 911/914-6 EFI Engine, Haltech and DBW, Perfect for a 914/6 GT Build

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Doug914	Sep 23 2026, 01:49 PM Post #1
Newbie Group: Members Posts: 14 Joined: 26-April 14 From: New Jersey Member No.: 17,284 Region Association: None	Porsche 3.0 L 911 or 914/6 EFI engine. Haltech R3 engine management. Drive by wire. Currently has exhaust and oil cooler for a 914/6 installation. Price: 46K as it sits. I'm willing to remove the 914/6 specific parts for less. This was built for a 914/6 GT clone that just isn't going to happen now. Plans change. Only 2 hours runtime on a engine test stand to rough out the VE map and cold start. Haltech NSP software is very flexable and easy to learn. I've been building 911 engines my whole life and have wanted to build a EFI Drive by Wire version for some time now. Located in Norther New Jersey. Thanks for looking - Doug See this Video of it running on the test stand: https://youtu.be/BgwF4sySupY Details of the build: 1977 3.0L aluminum engine case (uses a the 2.7L crankshaft) Super Tech (Henry) cylinder studs 74mm crank center drilled for oiling with the center main grooved to suit. Crank was re-nitrided, balanced and checked for straightness by Armondo at CCR Pauter Machine Connecting Rods. GT3 oil pump GT2 steel intermediate shaft and matched crank gear Automobile Associates coated clevite rod bearings. Genuine Mahle Nikasil Piston and cylinders - 9.8:1 Dougherty 993SS cam shafts and his rebuilt rocker arms. All hardware and studs re-plated New 55 Amp alternator Fan refinished and re-plated. Patrick Motorsports 8lb 901 Flywheel Kennedy Engineering stage 2 901 clutch (250nm) Big port (39mm) 3.0L heads, new valves, guides etc. Rennsport upper valve covers (pics show older stock versions) PMO 40MM Throttle bodies and short manifolds (matched to 39mm ports.) 30lbs/hr Bosch injectors Haltech R3 Engine management Dual wide band oxygen sensors Dual bosch knock sensors. EFI Hardware Drive by Wire Actuator 997 DBW throttle pedal with adapter (T.O.P. Design) to use in early 911 or 914. Wiring harness made by me. Using high quality Deutsch connectors and RayChem sheathing through out. 993 based 914/6 heater box exhaust (built by Ben McFarland on 914World). Engine Test stand is not included in the price, but can be negotiated in if desired. google photo's album link to the full build: https://photos.app.goo.gl/v569BJfkidjGRzDF7 Some Pic's: