XDI LT4 injectors will support ~1200 wheel horsepower on straight E85
Published on 10-25-2019 12:54 PM
We wrote
about XDI (Xtreme-DI) fuel injector upgrades for the Gen V direct injected GM small block before. Now we have the exact number the LT4 injectors will support on straight E85 and that number is 1200 rear wheel horsepower as tested by Katech and Lingenfelter.
Originally Posted by
XDI
Our new LT4+65% high fuel flow injectors are based on the original GM LT4 injector, which makes them a perfect drop in solution. Straight E85, 1200whp GDI only!
These are a drop in solution so essentially plug and play.
Everything works with the factory ECU:
Originally Posted by
XDI
Our 100% XDI manufactured and tested DI-Injectors are designed for the new GM LT series engines. With a 65% increase in flow over stock LT4 injectors, these supply the required fuel flow for high horsepower applications without the need for auxiliary fuel systems. These injectors are based on the original GM LT4 injector, which makes them a perfect drop in solution. Most of the ECU Injector characteristics stay the same.
Every Injector gets tested at 100bar and 200bar on OEM testing equipment at XDI. Every set gets flow matched to within ±1% at 100bar and 200bar fuel pressure !!!
Testing on fully instrumented engine (8x O2, 8x EGT) done by Katech Inc. has shown unequaled results in terms of cylinder distribution, repeatability and stability at pressures up to 2900psi. Tuning changes required are minimal, offsets and current driver parameters stay the same. The injectors are E85 compatible.
Impressive? You bet.
2014+ C7 Corvette LT1
2015+ C7 Z06 Corvette LT4
2019 C7 ZR1 Corvette LT5
2016+ Camaro SS LT1
2017+ Camaro ZL1 LT4
2016+ CTS-V LT4
2014+ Silverado and Sierra with 4.3L LV3, 5.3L L83 and 6.2L L86 engines
2015+ Suburban, Tahoe, Yukon and Escalade with 5.3L L83 and 6.2L L86 engines
rated static flow rate: 25.6g/sec at 10MPa
– 67% more flow than production LT1/L86 injectors (15.3g/sec)
– 45% more flow than production LT4 injectors (17.7g/sec)
– E85 compatible
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