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With over 40 years of tuning experience, Patrick Guerra has been exposed to a wide variety of racing and vehicle platforms over the years. While first learning to tune by reading spark plugs and using jets and timing lights as his tuning aids, Pat G now relies on advanced electronics and sensors to tune vehicles to their optimum power while minimizing emissions and maximizing fuel economy. Known for his exceptional ability to tame wild camshafts in off-road racing applications, Pat G puts driveability at the top of his list. Currently, Patrick provides email tune support for over 100 shops around the globe and the list keeps growing.
EXCELLENT Based on 85 reviews Luke Hammond2025-07-16Trustindex verifies that the original source of the review is Google. Pat did an awesome job. I went to two tuners before him and they couldn’t get the tune right. Pat had my car running better after the first remote tune. Highly recommended TREVOR SIMPSON2025-07-07Trustindex verifies that the original source of the review is Google. Very knowledgeable, reply time is very fast considering how busy he is, helped me tune multiple vehicles remotely. One was very stubborn and he took the time to make sure it was right. Will continually be back for tuning. 10/10 Roger H2025-07-02Trustindex verifies that the original source of the review is Google. Pat really knows how to tune! I brought in my 2013 Grand Sport Corvette with a pretty big cam to have fine tuned. Prior to his tune, I got a lot of bucking at low RPMs, which made it difficult to cruise at any gear below 2K RPMs. Not only did Pat correct it, but the car ended up making MORE power than the previous tune! The previous tune made 482rwhp on a Dynojet...after Pat worked his magic, it made 490rwhp (521rwhp weather corrected) on his Mustang Dyno. I was NOT expecting to see more power...I brought it to him to make it more streetable, so gaining hp was a pleasant surprise! After the tuning was completed, we went for a street drive and verified everything was good, which it was. Pat and Chris are two of the nicest guys you'll ever meet. Their professionalism and tuning knowledge are second to none...I drove 2.5 hours to get it tuned and it was so worth it! Vick S2025-06-21Trustindex verifies that the original source of the review is Google. patG is the wizzard⭐️⭐️⭐️⭐️⭐️ Corvette Kurt2025-06-18Trustindex verifies that the original source of the review is Google. This guy is the real deal! My c6 ls3 z51 a6 is a different animal just off the base tune!! Thomas Bornn2025-06-15Trustindex verifies that the original source of the review is Google. The absolute best tuner in South Texas Dylon De Atley2025-06-13Trustindex verifies that the original source of the review is Google. Pat was an absolute pleasure to work with. Spoke with him many times over the phone before ever making a purchase and he was extremely helpful. Great pricing on HP Tuners and a wealth of expertise during the tuning process. Ignacio Aguilar2025-06-05Trustindex verifies that the original source of the review is Google. This is my second truck tuned with Pat G. Very pleased with the outcome. Single cab 03 Silverado 6.0 with a Procharger, boy this thing rips. The whole email tune process was easy. Thank you Pat G. TheLongLife2025-05-22Trustindex verifies that the original source of the review is Google. READ THIS!!! This is the real deal. You need anything remotely tuned, or tune files, look no further. Pat G Tuning helped us with a clients Z06 build. Got the tunes, flashed. Fired right up, ran like an animal and not once did it stumble or die, or hesitate. Super responsive with emails, communication was excellent. Would recommend to anyone needing help with tuning or remote tune files. Thanks Pat G Tuning!! Dylan Meyer2025-05-13Trustindex verifies that the original source of the review is Google. Was on the verge of an engine tear down on my 416 stroker to figure out what was going on because my last 2 tuners couldn't figure out the issues. Did a tune audit with Pat, it was extremely helpful but was still having some issues.. Scheduled a full tuning session for this build and he fixed my laundry list of issues!! Was well worth the drive for me. Great power and great drivability on this baby too! Smoothest it's ever driven. He was extremely thorough for everything while on the dyno and then also on the street. Any upgrades that happen or future project/track cars will be going to him!! Pat G & Chris saved my year! I can finally focus on gathering other parts for this track car now that the engine is running healthy again. Thank you both!