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Proof that 87 Octane fuel is limiting your 3.6

Kafn8td

Member
First Name
Rick
Joined
Apr 16, 2026
Threads
2
Messages
16
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11
Location
Minnesnowda
Vehicle(s)
26 Jeep Renegade Mojave, Yamaha Tenere 700
Occupation
Retired!
I'm a proponent of tuning.
That included my 66 Fastback Mustang, yes it has a carb. Different carb, different cams, headers etc. That's all tuning.
The 16 F-150 I had was tuned through the OBD II port, I went mild and it only gained 20hp and 15tq, But the drivability was where it was at.
The 22 Ranger I sold to get my Gladiator had to be tuned. The transmission tuning sucked. When driving normal it skipped every other gear so when you tried to accelerate it had to think about it before it could figure out what it was doing. After the tune (it was a 2.3L turbo) My mileage slightly increased, I picked up 30 hp and it used every gear. I could chirp the tires going from second to third.
One of the big differences is the Fords can be tuned by downloading a tune and plugging a tuner in to the OBD port. Livernois 5 Star
If you don't like modifying a vehicle and think the engineers that designed it were perfect...well don't. The engineers are limited, by budget, design parameters and the good old EPA.
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bmpcamry09

bmpcamry09

Rock Sponsor (Level 1)
First Name
Brad
Joined
Feb 28, 2026
Threads
5
Messages
144
Reaction score
216
Location
New Athens, IL
Vehicle(s)
2025 JLU 3.6
I'm a proponent of tuning.
That included my 66 Fastback Mustang, yes it has a carb. Different carb, different cams, headers etc. That's all tuning.
The 16 F-150 I had was tuned through the OBD II port, I went mild and it only gained 20hp and 15tq, But the drivability was where it was at.
The 22 Ranger I sold to get my Gladiator had to be tuned. The transmission tuning sucked. When driving normal it skipped every other gear so when you tried to accelerate it had to think about it before it could figure out what it was doing. After the tune (it was a 2.3L turbo) My mileage slightly increased, I picked up 30 hp and it used every gear. I could chirp the tires going from second to third.
One of the big differences is the Fords can be tuned by downloading a tune and plugging a tuner in to the OBD port. Livernois 5 Star
If you don't like modifying a vehicle and think the engineers that designed it were perfect...well don't. The engineers are limited, by budget, design parameters and the good old EPA.
That Ford 10 speed is actually the whole reason I learned how to tune 7 years ago 😂😁
 
 







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