The cylinders can be honed 0.005 in. oversize. This keeps the walls thick enough to support boost. A 4.000-in. stroke crankshaft will also increase displacement. The chart below lists the specs for a common bore and stroke combination.
So if your MAF is going bad, it could negatively affect starting, idle quality, exhaust emissions, and fuel economy, while causing a host of other engine problems in the process. But replacing one isn’t hard—the MAF mavens over at Cardone put together this video which provides helpful MAF installation tips.
The CP Carrillo-backed Top Alcohol Funny Car pilot left the starting line with a psychic .029-second reaction time and kept right on going for a 5.425, 269.67 win over Swede Ulf Leanders’ 5.508, 268.33. Aggressively testing in Phoenix prior to the Winternationals paid off for Top Alcohol Dragster driver Shawn Cowie, who scored his 11th national event win and second season-opener Wally with a defeat of Garrett Bateman.
Both engines have the same injectors and dual fuel pumps. However, they max out around 65 psi. The fuel pumps are controlled by a module that increases fuel pressure in relation to boost. There are aftermarket pumps and voltage controllers that will work with the factory ECM to increase capacity.