Ferrari

3.5i V8 40v - 380ch Tuning

Ferrari 355 GTS/GTB/Spider — Detailed power and torque gains by stage.

Gains by stage(4)

Power

380 hp

Torque

360 Nm

essence
Power
380400ch
+20 ch
+5%
Torque
360388Nm
+28 Nm
+8%
OriginalTuned

Find a tuner

Compare certified professionals near you.

Everything about 3.5i V8 40v - 380ch tuning

Tuning the 3.5i V8 40v - 380ch found in the Ferrari 355 GTS/GTB/Spider 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 Ferrari 355 GTS/GTB/Spider 3.5i V8 40v - 380ch, tuning delivers up to +60 hp and +70 Nm depending on the stage. Stock vs tuned figures:

StagePowerTorqueIndicative price
Stage 1380400 hp360388 Nm
Stage 2380440 hp360430 Nm
E85 Flexfuel380380 hp360360 Nm
E85+380400 hp360388 Nm

Frequently asked questions

What gains can I expect from tuning the 3.5i V8 40v - 380ch?
Tuning the 3.5i V8 40v - 380ch (Ferrari 355 GTS/GTB/Spider) 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 3.5i V8 40v - 380ch?
Yes, the 3.5i V8 40v - 380ch 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 Ferrari 355 GTS/GTB/Spider 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 Ferrari 355 GTS/GTB/Spider?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.