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December 2023 by Vincent Rayano
It's hard to really describe how knowledgeable and good Jim and his shop are.In the past I owned the first year 392 Challenger and remember how far behind the aftermarket options were behind the LS and Ford offerings at the time.What Jim has been able to learn, engineer and do on countless builds since then is nothing short of astonishing.I recently had lifter failure on a 6.4 Jeep SRT and figured with the cost of a new stock block it gave me an opportunity to go with something more performance oriented for not much more $$.I called the shop and was connected with Jim who agreed I almost definitely had lifter failure and needed a new block and to bring it by whenever I could.I figured the sooner I got it there the better just to get it off the road and mitigate the damage.Within 2 minutes of getting there Jim and I were going over various options, pricing and ETA for completion.I opted to do a 426 swap, with a stage 2 comp cam and long tube headers. The internals would be fully forged and leave the option open for serious forced air options in the future.He gave me a price all in that was right on target with what I've heard and a really reasonable time frame given the amount of work and how busy the shop is.Both price and time frame were exactly accurate.When I got the call it was done Jim explained the night before he just wasn't happy with something and had driven it along the day before and diagnosed a cracked oil cooler which he fixed at no additional cost because we had agreed to x amount "all in", he didn't have to do that and I appreciate him being a true class act and professional.After a few days driving it I'm absolutely in love with how it came out and will just say if you have a modern hemi that needs anything there is no more knowledge, competent, fair shop that exists.Huge thank you to Jim and his crew for their passion and unrivaled expertise.Their reputation with the modern hemi is unrivaled and the way he runs his business as well as how accessible he is and way he meticulously explains all options with pros and cons is simply something incredibly rare in any industry.To recommend True Street Performance would be an insult, I can't stress enough that the list of places for modern hemi work starts and ends with Jim's shop.
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November 2023 by Jeremy Santiago
Called for simple work on my dodge and i was told they dont work on dodges mind you theres dodge cars in theyre promoted pictures ?? no problem, will go elsewhere
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November 2023 by Jay Ha
I live about 5 blocks from a Dealership. I would sooner pay to have my truck towed to Jim before I use anyone else. If you love your Hemi, you are doing yourself an injustice If you allow anyone to touch your vehicle besides them.
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October 2023 by Jason Alicea
Great service
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September 2023 by Justina Contreras
True street performance is THE BEST..Jim worked on my Dodge Charger SRT Hellcat…definitely the best on Long Island..what a great team..I would highly recommend…thanks a million Jim
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September 2023 by S Mills
Jim is simply the Best..he has a great crew., Definitely the number one team..he’s a very honest guy who really knows his stuff..he did an amazing job on my Dodge Durango Hellcat…I’ve recommended him to family and friends., and i have people that already called and thanked me for sharing jims info with them , and said how knowledgeable he is.,and already setting appointments With him….thank you jim for all your help, your the best…Services: Exhaust
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June 2023 by Fiveohhrick 95
Just an overall great experience Jim fixed prior shops mistakes on my Jeep along with pointing out other maintenance that had to be done. When the time is right I’m going right back to get this thing boosted. Thanks again Jim - EmaunServices: Auto engine diagnostic
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May 2023 by SRT Rick
Just an overall great experience Jim fixed prior shops mistakes on my Jeep along with pointing out other maintenance that had to be done. When the time is right I’m going right back to get this thing boosted. Thanks again Jim - EmaunServices: Auto engine diagnostic
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April 2023 by Dean Kessar
Jim is the go to guy for anything hemi. Actually, anything with a motor or wheels. Not sure a review does this place justice as anyone you ask on Long Island who the best is, Jim’s name is the first to pop up, including dealerships
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March 2023 by Thaddeus H.
these guys at 631performance are good and reliable they also have the best mopar so much like empire Chrysler jeep dodge ram.
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February 2023 by Ian Poulos
This is a great shop. Jim is responsive and great to work with. He spent the time to meet with me and answer all of my questions. He even showed me around the shop while I was there! I could tell right away that he was detail-oriented and cared about his customers. I'm very happy with the work done on my car.
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November 2022 by Carlos G.
These guys are the best especially with anything mopar!! Excellent quality work and super reliable, even when your car is out the shop they're always dependable if you have any issues or questions. Things that dodge can't figure out they'll solve the problem.
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August 2022 by Matthew Brink
Top notch speed shop. I wouldn't bring my hemi anywhere else. Jim was very professional and knowledgeable. He takes great pride in what he does and does it right. He installed a pro charger on my challenger and took the time to sit and talk to me before and after explaining everything and answering any questions I had. Thank you
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July 2022 by Christopher Schneider
Jimmy b& AJ are top notch. They understand the customer and what he truly needs without selling them BS. Jimmy always has to correct other mechanics F’up’s and Nvr complains. Jimmy is incredibly patient even when I’m a whiny putz from breaking my cars.Services: Transmission repair
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May 2022 by Jason Savallo
Jim and AJ really know their Hemi engines they really do a phenomenal job, they really know their stuff they fix whatever problem needs to be fixed and you’ll never see that problem again. I have no complaints at all with these gentlemen that really dedicate their time and effort to make your dream car come true.Services: Oil change
