5.3i V8 - 355ch Tuning
Chevrolet Silverado — Detailed power and torque gains by stage.
Gains by stage(4)
Power
355 hp
Torque
519 Nm
essence
Power
355→365ch
+10 ch
+3%
Torque
519→529Nm
+10 Nm
+2%
OriginalTuned
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Everything about 5.3i V8 - 355ch tuning
Tuning the 5.3i V8 - 355ch found in the Chevrolet Silverado is one of the most popular performance upgrades. This engine offers excellent potential for power and torque gains.
On ChiptuneMAP, find verified gain data for each stage, compare tuner prices and find the ideal professional for your project.
Gains summary by stage
On the Chevrolet Silverado 5.3i V8 - 355ch, tuning delivers up to +45 hp and +61 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 355 → 365 hp | 519 → 529 Nm | — |
| Stage 2 | 355 → 400 hp | 519 → 580 Nm | — |
| E85 Flexfuel | 355 → 355 hp | 519 → 519 Nm | — |
| E85+ | 355 → 365 hp | 519 → 529 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 5.3i V8 - 355ch?
Tuning the 5.3i V8 - 355ch (Chevrolet Silverado) delivers significant power and torque gains depending on the chosen stage. Stage 1, with no hardware modifications, offers the best gain-to-reliability ratio.
Is tuning reliable on the 5.3i V8 - 355ch?
Yes, the 5.3i V8 - 355ch is known for its reliability when tuned, especially at Stage 1. It's essential to use a certified tuner with maps tailored to your engine.
How much does Chevrolet Silverado tuning cost?
Prices vary by stage and tuner. Check our directory to compare rates from professionals near you.
Should I get a tuning box or an ECU remap?
ECU remapping (modifying the engine control unit map) delivers better results and integration than a plug-in tuning box. It's customized for each engine.
How do I find a tuner for my Chevrolet Silverado?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.