It is rendered obsolete by the fuel-injection system’s new vacuum-operated warm-up regulator. 1984: The 911SC designation gives way to Carrera with the introduction of a new 3.2-liter flat-six. $7,950.00. https://nnjr-pca.com/wp-content/uploads/2020/04/NNJRLogo2020Grey-300x60.jpg. Air/Oil Cooled Technical Discussion Areas, Porsche Cayman & Cayman S all generations, 924/944/951/968 Model Specific Technical Forums, Performance & Competition Discussion Areas, European Delivery and or Porsche Experience Center, Rennpository Video Clips and Other Online Videos, Rennlist Regional Forums (Regional Events, Discussions, Announcements, Etc. 1970 70-71 Porsche 911 E 2.2L Engine 911.01, Good Runner (Fits: Porsche 911) $9,999.00. (Only Stage II available), All engines listed above have the capability of becoming an “X42” 4.2L as an option. The S gets 30 more horsepower for a total of 560, while torque stands pat at 516 lb-ft. 2022 VW Golf R Has 315 HP, AWD with a Drift Mode, 7 Easter Eggs Found on Nissan's Sexy Z Proto, 2020 Honda e Does Fun Better than Most EVs, This content is created and maintained by a third party, and imported onto this page to help users provide their email addresses. High mileage or engines subjected to many hours of track abuse have shown increasing cam timing deviation due to stretched chains.
M96's successor, the 9A1 engine was introduced with the 2009 model year.
Our car experts choose every product we feature. The crankshaft of the 9a1 is forged and nitro-carburized heat treated with a .015 depth (as opposed to the M96 & M97 has heat treating of .003). 1972: North American emissions requirements again force change, this time to a lower compression ratio; Porsche ups the flat-six’s displacement to 2.4 liters to make up for the lost power. Magnus 911 Silver Targa -77, 3.2 -84 with custom ITBs and EFI.
With the available information and a few photos of the engines, Rennlist user Petevb decided to do a technical breakdown of what’s different and what remains the same. Output swells to 320 horsepower and 273 lb-ft of torque. Les pièces qui n'étaient plus conformes à celles du véhicule d'origine, en l'occurrence l'échappement, la pompe à huile, le vilebrequin et l'embrayage, ont notamment été échangées. Des pièces ont été révisées, comme notamment la pompe à injection mécanique, l'allumeur, la dynamo/alternateur et le boîtier électronique HKZ. Later, this engine would be fitted to “Cayman X” which was featured in the December 2013 edition of Panorama Magazine, pages 66-71. The bigger improvements come from the Carrera S, which utilizes a larger, 3.8-liter flat-six making 355 horses and 295 lb-ft of torque. Regular 911 models see an on-paper reduction in output, with no mechanical changes save for the fitment of Bosch K-Jetronic electronic fuel injection to the 911T. The stratified fuel charge does not require long idle periods to warm up the engine. Oil pressure is controlled by the DME (Digital Motor Electronics) on demand. Beyond this changed, improved baffling and scavenging ensures there is always oil in the sump to feed the oil pickup. All 911s are now fuel-injected, netting the 911T 157 horsepower and 166 lb-ft of torque. The first generation 911 is also known for having rust issues. This article is intended to provide a brief, technical description of the Porsche 9a1 engine. Lors de l'assemblage et du montage ultérieur, les experts auront recours aux anciens supports et outils d'origine. Fuel is injected directly into the combustion chamber under extremely high pressure (between 1400-1740 psi). On ne peut l'évaluer qu'une fois le moteur complètement ouvert. Dans la mesure où les valeurs WLTP sont données sous forme de plages de valeurs, elles ne se rapportent pas à un seul véhicule et ne font pas partie intégrante de l’offre : elles ont pour seul objectif de permettre des comparaisons entre les différents types de véhicule. Main Differences from Predecessor M96 & M97 One of the main differences from the predecessors M96 & M97 is that the 9a1 engine has no IMS bearing or shaft. Fuel is injected directly into the combustion chamber at much higher pressures with direct injection, allowing for greater thermal efficiency increased compression ratios, with reduced emissions and improved fuel economy. 1980: Those pesky emissions rules catch back up to Porsche, necessitating the Turbo take a vacation from the U.S. market. 1983: Again, nothing about the 911SC’s 3.0-liter six changes—and the Turbo is still MIA in the U.S.—but now the SC’s engine can be paired with a convertible body style. We merge classic hot-rodding with modern technology to develop, and create your engine by hand, and make it unlike anything that will pass through the doors at Zuffenhausen. In the past, Nikasil plating was Porsche's go to for maximum performance and extremely low wear, but SUMEbore is much more eco-friendly. There are stronger cam caps, stronger gears (2014+ have module cam lobes like a 904 or a 4 cam Carrera). Once again, it gets a 3.6-liter dry-sump engine, as well as lighter internals, a larger throttle body, and a higher compression ratio.
Age takes its toll on all vehicles – including Porsches – leading to an array of worn components. "You could absolutely feel this car is much, much faster than the standard [991] 911. or 4.0L (Stage II), All 3.8L factory engines The oiling system on the 9a1 is an integral dry sump with 4 scavenger pumps. will become 3.8L (Stage 1)
Certaines options et équipements peuvent faire varier certains paramètres du véhicule tel que le poids, la résistance au roulement ou la résistance à l’air et, en plus des conditions météorologiques, des conditions de circulation ou du style de conduite, peuvent faire varier la consommation de carburant, d’électricité, les émissions de CO₂ et les performances du véhicule.
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