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Building on the popularity of the Stealth 64 in the LB7, the Stealth 64 VVT project has taken a stock appearing LBZ/LLY/LMM turbocharger and overhauled it to meet the demands of the Duramaxtuner team.
The stock LBZ/LLY/LMM turbocharger runs out of air at about 530rwhp. It has trouble controlling EGT's (Exhaust Gas Temperatures) on extended pulls past 400 horsepower. The Stealth 64 VVT extends the useful power curve of the engine out another 120 horsepower to 650 rear wheel horsepower. Furthermore, the Stealth 64 VVT is much better at controlling exhaust gas temperatures under sustained load when towing up long grades at high power. This is accomplished through the use of a specially designed billet compressor wheel which is matched to a higher flowing turbine assembly. This match represents the best balance between quick spool-up response for driveability and overall compressor flow for peak power for truck owners looking to make 650 RWHP.
The Stealth 64 VVT is an easy to install upgrade that spools up quickly, controls EGT's under heavy load, allows to turbine braking during towing scenarios, and kicks the competition to the curb when leaned on.
The Stealth 64 VVT Turbocharger comes completely assembled and balanced with the following:
- New bearings
- New Oil seals
- New drain gasket
- Billet 63.5mm compressor wheel (2.5 legal)
- Specially matched turbine wheel
- 12 Month warranty on parts
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Can the rated 650 horse power of this turbo be achieved with stock injectors and injector pump??
No, would need a little larger injector and pump. Somewhere around the 50-60hp injector and a 35% over pump. SNA
How does this turbo perform on stock fuel system while towing??
The stealth 64mm turbo works well with the stock fuel system. Going to respond pretty quickly and have good drivability. -Sands