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Fuel injection in NASCAR was introduced in 2012, having previously been announced for 2011, which was the last season to see the premier NASCAR series use carburetion. Only the Xfinity Series uses carburetors through into 2021, with no announced change to injection.
Fuel injection technology has been found to be one of the most important technical advances in stock automobiles since NASCAR was founded in 1947.[1][2] While the sale of manual transmission vehicles would start to decline in the 1970s and plummet in the 1980s, NASCAR continued to hold a strict policy of only allowing manual transmission vehicles in the Cup Series until 2021, when the Next Gen specification featuring 5-speed sequential gearbox.
Cars that compete in the NASCAR Xfinity Series (previously known as Nationwide Series) cars are powered by carburetors; in addition to trucks that compete in NASCAR's Camping World Truck Series.
^NASCAR: Shift to fuel injection a quantum leap Archived 2012-04-04 at the Wayback Machine at F1 Pulse
^Going Beyond Gen-6 at NASCAR.com
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banned fuelinjection and superchargers from NASCAR before they could race. However, even without official factory support or the use of fuelinjection, Buck...
every NASCAR Sprint Cup team and every NHRA Pro Stock champion until both series eventually switched to electronic fuelinjection (EFI). NASCAR Sprint...
season, NASCAR announced the Sprint Cup Series would be changing to fuelinjection from carburetors, which had been used since NASCAR's founding in 1949...
used to provide extra fuel or air in specific circumstances. Since the 1990s, carburetors have been largely replaced by fuelinjection for cars and trucks...
2012 season, NASCAR Cup cars now have fuelinjection instead of carburetors, but restrictor plates are still being used. In 1994, NASCAR introduced roof...
The NASCAR Xfinity Series (NXS) is a stock car racing series organized by NASCAR. It is promoted as NASCAR's second-tier circuit to the organization's...
occurred in 2012 with NASCAR's introduction of fuelinjection technology. Initially NASCAR indicated that it would transition to fuelinjection midway through...
either fuel or tires on a single pit stop in 2009. This requirement was abandoned for the 2010 season. Starting with the 2011 season, NASCAR implemented...
Ethanol fuel is fuel containing ethyl alcohol, the same type of alcohol as found in alcoholic beverages. It is most often used as a motor fuel, mainly...
season, NASCAR announced that it would change to an electronic fuelinjection system for the 2012 racing season. The injection system used by NASCAR is a...
disrupts the operation of the fuel pump, causing loss of feed pressure to the carburetor or fuelinjection system, resulting in transient loss of power or...
technology change and shift in thinking occurred when NASCAR switched the Monster Energy NASCAR Cup Series to fuelinjection from the current carburetor...
2011). "Bosch to provide oxygen sensors for fuelinjection". nascar.com. Daytona Beach, Florida: NASCAR. Archived from the original on 2011-10-25. Retrieved...
ever offered fuelinjection as an option. A 283 cu in (4,640 cc) engine fitted with solid lifters, the "Duntov" cam and fuelinjection was rated at 283 hp...
onboard computer which controlled the injection system; however, 15 of the 16 300D cars built with the fuelinjection option were recalled and retrofitted...
NASCAR also announced changes to the point system, and that the fuel changed from Sunoco unleaded to an ethanol blend called 'Sunoco Green E15'. In addition...
for Stock Car Auto Racing (NASCAR) makes and enforces numerous rules and regulations that transcend all racing series. NASCAR issues a different rule book...
The NASCAR Whelen Modified Tour (NWMT) (previously the NASCAR Winston Modified Tour and NASCAR Featherlite Modified Series from 1985 until 2005) is a modified...
NASCAR teams compete in all three national NASCAR series: the Cup Series, Xfinity Series, and Craftsman Truck Series, as well as in all the regional touring...
(2011-02-11). "NASCAR sets fuelinjection for '12 but keeping restrictor plates". USA Today. Retrieved 2012-04-24. "NASCAR Moves to FuelInjection, Bosch First...
banned fuelinjection and superchargers from NASCAR before they could race. However, even without official factory support or the use of fuelinjection, Buck...
which have hosted a NASCAR race from 1948 to present. Various forms of race track have been used throughout the history of NASCAR, including purpose-built...
SOHC-powered "Bounty Hunter" won Top Fuel honors at AHRA, NHRA and NASCAR winter meets, becoming the only "triple crown" winner in drag racing history. Dynamometer...
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