GPI LT1 / LT4 / L86 / L97 / L83 / L84 Blower Cam - LT PD3 (2016 - 2024 Camaro | 2014 - 2019 C7 Corvette) - LTPD3
The Ultimate Positive Displacement Blower Cam for Maximum LT Power
The GPI LT PD3 Blower Cam is the most aggressive PD blower grind in the LT lineup, engineered for the hardcore street/strip enthusiast who wants maximum torque, top-end horsepower, and 7000 RPM capability. Designed for LT1, LT4, L86, L97, L83, and L84 engines equipped with Whipple, Magnuson, Edelbrock, or LT4 superchargers, the PD3 delivers race-level intake airflow with proven track performance.
Building on the success of the LT PD1 and PD2 cams, the PD3 pushes further with increased duration and stronger high-RPM efficiency - making it the perfect choice for enthusiasts who want the most aggressive blower cam available without going to a custom grind.
Aggressive, Blower-Specific Cam Profiles for 6.2L & 5.3L LT Engines
LT1 / LT4 / L86 (6.2L) Cam Specs
- Duration (Int/Exh): 232 / 256
- Lift (Int/Exh): .639" / .639"
- LSA: 116
- ICL: +3
L83 (5.3L) Cam Specs
- Duration (Int/Exh): 224 / 240
- Lift (Int/Exh): .630" / .612"
- LSA: 116
- ICL: +4
Designed for Serious Street/Strip Performance
6.2L Platforms (LT1 / LT4 / L86)
This cam was engineered for the enthusiast who demands more than the PD1 and PD2 can deliver. The PD3 delivers substantial increases in torque and high-RPM horsepower, staying strong all the way to 7000 RPM. Requires a 3000+ RPM converter and a 0° phaser limiter.
5.3L Platforms (L83)
The PD3 for the 5.3L maintains blower-friendly ramp rates while offering significantly more airflow for upper-RPM gains. Ideal for aggressive, PD-blown truck builds that want big power without sacrificing durability. Requires a 3000+ RPM converter and a 0° phaser limiter.
Performance Highlights
- Most aggressive PD blower cam in the GPI LT lineup
- Stronger power and torque than LT PD1 and LT PD2
- Very strong to 7000 RPM with the correct valvetrain
- Optimized for Whipple, Magnuson, Edelbrock, LT4, and similar PD systems
- Requires 3000+ RPM converter on all platforms
- Requires 0° phaser limiter
- Track-tested, race-proven performance
Quick Specs
- Part Number: LTPD3
- Engine Platforms: LT1, LT4, L86, L97, L83, L84
- Blower Type: Positive displacement (PD) superchargers
- RPM Range: Up to 7000 RPM
- Converter Requirement: 3000+ RPM
- Limiter Requirement: 0° phaser limiter
Fitment
Chevrolet Camaro (2016 - 2024) - LT1 / LT4
- 2016 Chevrolet Camaro LT1/LT4
- 2017 Chevrolet Camaro LT1/LT4
- 2018 Chevrolet Camaro LT1/LT4
- 2019 Chevrolet Camaro LT1/LT4
- 2020 Chevrolet Camaro LT1/LT4
- 2021 Chevrolet Camaro LT1/LT4
- 2022 Chevrolet Camaro LT1/LT4
- 2023 Chevrolet Camaro LT1/LT4
- 2024 Chevrolet Camaro LT1/LT4
Chevrolet Corvette C7 (2014 - 2019) - LT1 / LT4
- 2014 Chevrolet Corvette LT1/LT4
- 2015 Chevrolet Corvette LT1/LT4
- 2016 Chevrolet Corvette LT1/LT4
- 2017 Chevrolet Corvette LT1/LT4
- 2018 Chevrolet Corvette LT1/LT4
- 2019 Chevrolet Corvette LT1/LT4
GM Trucks (L83, L84, L86, L97)
- Chevrolet Silverado / GMC Sierra (5.3L L83)
- Chevrolet Silverado / GMC Sierra (5.3L L84)
- Chevrolet Silverado / GMC Sierra (6.2L L86)
- Chevrolet Silverado / GMC Sierra (6.2L L97)
- All PD-blown Gen V truck platforms
FAQs
How does the PD3 differ from the PD1 and PD2?
The PD3 is the most aggressive blower cam in the lineup, offering more intake/exhaust duration, stronger mid-range torque, and considerably more top-end horsepower - staying powerful up to 7000 RPM.
Do I need a converter upgrade for the LT PD3?
Yes. A 3000+ RPM converter is required to take full advantage of the cam's airflow and powerband.
Why Buy from Beefcake Racing?
Beefcake Racing provides expert cam selection guidance, unbeatable pricing, and fast shipping on all GPI performance products. Need help choosing between PD1, PD2, or PD3?
Call 1-855-827-7223 or email sales@beefcakeracing.com.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

