{"product_id":"empi-accelerator-pump-cam-epc-48-51-weber-48-ida-47-1048-9","title":"EMPI Accelerator Pump Cam — For EPC 48\/51 and Weber 48 IDA Carburetors | Porsche 914 1970-1976 (47-1048-9)","description":"\u003ch2\u003eEMPI Accelerator Pump Cam (47-1048-9) for EPC 48\/51 \u0026amp; Weber 48 IDA\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe EMPI 47-1048-9 is a genuine accelerator pump cam for EMPI EPC 48\/51 and Weber 48 IDA carburetors, including those on the 1970-1976 Porsche 914 and air-cooled VW engines. Its profile controls pump-shot volume and delivery through the throttle stroke, and it is a bolt-on tuning change without disassembling the carb body.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart numbers:\u003c\/strong\u003e EMPI 47-1048-9 \/ 4710489 \/ 47 1048 9 · accelerator pump cam\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eVehicle\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970–1976\u003c\/td\u003e\n\u003ctd\u003ePorsche 914\u003c\/td\u003e\n\u003ctd\u003eWith EMPI EPC 48\/51 or Weber 48 IDA carburetors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eAir-cooled VW\u003c\/td\u003e\n\u003ctd\u003eEngines running EPC 48\/51 or Weber 48 IDA carburetors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eIf you are unsure this fits your car, contact us with your year and model before ordering.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003e47-1048-9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eEMPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart\u003c\/td\u003e\n\u003ctd\u003eAccelerator pump cam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarburetors\u003c\/td\u003e\n\u003ctd\u003eEMPI EPC 48\/51 and Weber 48 IDA (48mm and 51mm IDA-style)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eProfile controls pump-shot volume and delivery through the throttle stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFit\u003c\/td\u003e\n\u003ctd\u003eBolt-on; no disassembly of the carb body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShips from\u003c\/td\u003e\n\u003ctd\u003eOrange, California\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhy It Matters\u003c\/h3\u003e\u003cp\u003eThe pump cam is the small lever that decides how much fuel the accelerator pump gives and when it gives it. Changing the cam reprofiles that delivery, matching the pump shot to an engine's appetite.\u003c\/p\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\u003cp\u003eThe cam is a bolt-on tuning change that does not require disassembling the carb body. Swap it to cure a tip-in bog or trim an over-rich squirt.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat carburetors does the EMPI 47-1048-9 pump cam fit?\u003c\/strong\u003e\u003cbr\u003eThe EMPI 47-1048-9 accelerator pump cam fits EMPI EPC 48\/51 and Weber 48 IDA carburetors, a direct fit for 48mm and 51mm IDA-style carbs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the EMPI 47-1048-9 fit a Porsche 914?\u003c\/strong\u003e\u003cbr\u003eYes. It fits the 1970-1976 Porsche 914 when it runs EPC 48\/51 or Weber 48 IDA carburetors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does an accelerator pump cam do?\u003c\/strong\u003e\u003cbr\u003eThe cam's profile sets how much fuel the accelerator pump squirts and how it is timed through the throttle stroke.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan a pump cam fix a bog on a 48 IDA?\u003c\/strong\u003e\u003cbr\u003eSwapping the pump cam is a way to cure a tip-in bog or trim an over-rich squirt on EPC 48\/51 and Weber 48 IDA carbs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I have to take the carburetor apart to change the pump cam?\u003c\/strong\u003e\u003cbr\u003eNo. It is a bolt-on tuning change without disassembling the carb body.\u003c\/p\u003e\n\u003ch3\u003eExplore Related Categories\u003c\/h3\u003e\u003cp\u003eBrowse more from Washburn's Metal: \u003ca href=\"\/collections\/fuel-intake\"\u003eFuel \u0026amp; Intake\u003c\/a\u003e \u003ca href=\"\/collections\/porsche-914\"\u003ePorsche 914\u003c\/a\u003e \u003ca href=\"\/collections\/empi\"\u003eEMPI\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠ California Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e","brand":"EMPI","offers":[{"title":"Default Title","offer_id":45307963998323,"sku":"47-1048-9","price":37.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/47-1048-9-scaled.jpg?v=1785946607","url":"https:\/\/www.washburnsmetal.com\/products\/empi-accelerator-pump-cam-epc-48-51-weber-48-ida-47-1048-9","provider":"Washburn's Metal","version":"1.0","type":"link"}