GT-R Fueling
- Fuel injectors are 444cc @ 43 psi
- Yellow top
- Low impedance
- Top feed
- Stock injectors are good for about 444 hp at the engine
- Fuel pump
- Great page on fuel pumps - Stealth 316.
- Fuel lines
- Fuel pressure regulator
- Pulse dampener
- Stock R32 fuel tank fitted with dual pump and dual supply.
Aftermarket fuel rails
"The time available (window) for an injector "to inject" is 10 millisec's @ 6,000 rpm/100rps, and 7.5 millisec's @ 8,000rpm/133.3rps, i.e. the time spent for one crank revolution. A 100% duty cycle 300 cc/min injector would inject 5 cc/sec 0.0375cc/rps, i.e. in each engine revolution."
444 cc injector = 7.4 cc/ sec
550 cc injector = 9.1 cc/sec
720 cc injector = 12 cc/sec
1000 cc injector = 16.6 cc/sec
10 ms 6000 rpm 100 rps 80% = 8 ms
7.5 ms 8000 rpm 133.3 rps 80% = 6 ms
7.0 ms 8500 rpms 141.6 rps 80% = 5.6 ms
6.6 ms 9000 rpms 150 rps 80% = 5.28 ms
6.3 ms 9500 rpms 158.3 rps 80%= 5.04 ms
