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Check out these hemi turbo builds drag races with #moparbro fred_eazy25

00:00 start
00:01 chrysler 300 srt8 turbo drag race pass
00:22 jeep grand cherokee srt8 turbocharged drag pass
00:50 turbo dodge charger vs turbo chrysler 300 drag race
01:23 jeep srt8 turbo 1/4 mile pass

Turbocharging a HEMI engine is a popular way to push its performance to extreme levels, offering significant power gains while maintaining a smoother torque curve than superchargers. Here’s a breakdown of the essentials for HEMI turbo builds:

Turbo Build Essentials
Turbo Selection

Single Turbo: Typically easier to package and install. Works well for street and strip applications.
Twin Turbo: More complex but allows for faster spool and more power potential.
Popular Choices:
Precision Turbo (PT88, PT7675)
Garrett GTX Series
BorgWarner EFR
Engine Internals

Stock HEMI engines (5.7L, 6.1L, 6.4L) can handle boost in the 5–10 psi range with proper tuning, but forging the internals is crucial for higher boost levels.
Upgrade Components:
Forged Pistons (e.g., Wiseco, Diamond)
H-beam or I-beam Rods (e.g., Manley, K1)
ARP Head and Main Studs
Performance Bearings (Clevite or King)
Fuel System Upgrades

Higher fuel demands under boost require:
High-flow injectors (e.g., ID1050x or ID1700x)
Upgraded fuel pumps (e.g., Walbro 525 or dual-pump setups)
Boost reference fuel regulators
Exhaust System

Turbo manifolds or custom headers are essential for routing exhaust gases to the turbo(s).
Consider high-flow wastegates (e.g., Tial or Turbosmart) and blow-off valves.
Cooling Upgrades

Turbocharged engines produce significant heat:
Front-mount intercooler or water-to-air intercooler
Upgraded radiators and oil coolers
ECU Tuning

Proper tuning is critical for power and reliability. Popular options include:
Holley EFI or standalone systems
DiabloSport or HP Tuners for factory ECU calibration
Dyno tuning by an experienced tuner
Transmission and Drivetrain

Stock transmissions may need upgrades to handle increased torque:
Dodge NAG1: Upgrade to a built version (e.g., Paramount or SHR)
Torque converters optimized for turbo setups
Upgraded axles and differentials
Common Turbo HEMI Builds
5.7L HEMI Turbo: A great starting point for street/strip builds. With forged internals and 15+ psi of boost, it can make 800–1,000 hp.
6.1L/6.4L HEMI Turbo: Larger displacement allows for even greater power. Builds commonly range from 1,000–1,400 hp.
6.2L Hellcat Turbo: Replacing the supercharger with a twin-turbo setup allows for massive power (1,500+ hp), especially with built internals and E85.
Examples of Turbo HEMI Builds
Single Turbo 5.7L:

Precision 7675 turbo, forged pistons/rods, 15 psi on E85 → 950 hp.
Twin Turbo 6.4L:

Twin Garrett GTX3076R turbos, upgraded cam, methanol injection → 1,200 hp.
6.2L Hellcat Twin Turbo:

Twin BorgWarner S369s, standalone ECU, custom headers → 1,800 hp capable of 7-second 1/4 mile passes.

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