GTR High Performance

Category: Racing car parts store in Rancho Cucamonga, California

Address: 8678 Utica Ave, Rancho Cucamonga, CA 91730, USA

Phone: +19099874386

Opening hours

Sunday: Closed

Monday: Closed

Tuesday: 9AM–6:30PM

Wednesday: 9AM–6:30PM

Thursday: 9AM–6:30PM

Friday: 9AM–6:30PM

Saturday: 9AM–2:30PM

Reviews

Adrian Marino

Oct 27, 2021

Best shop around if you drive a mustang had my 16 GT pushing 700hp comfortably. But plan in advance them being the best means they are always busy and you’re gonna have to schedule something, but worth the wait.

Ed

Feb 3, 2021

Great friendly staff. They pretty much do everything there. From minor repairs to major engine swaps...and anything to do with performance. They do it there!

MJ Bruno

Sep 25, 2020

Hands down the best shop in CA. Covid kind of screwed me with timing and parts on back order but as soon as everything was in, it took them 4-5 days for a motor drop with a KB supercharger install. Couldn’t be anymore excited and definitely will be with these guys in the future, THANK YOU GTR!

A J Silvia

Aug 26, 2020

I have a 2006 Mustang GT that I had GTR put a Kenne Bell Stage I along with suspension upgrades. Ran great for seven years not an issue. Finally decided to rebuild the engine instead of putting in a new Coyote motor/ transmission unit. Gonzalo gave me the recommendation to rebuild the stock motor and keep the transmission I already had that had just been rebuilt. Took them over six months to even pull the engine out of the car. Took them from March to August to get the engine back into the car and running to any degree. Shipped the car back twice to fix the new engine for the same issues and It is still not fixed. I’m stuck in Albuquerque with surging in low idle speed to the point it pulls through the brakes, stutters at highway speeds like there is a clogged fuel injector and no one can figure out how to fix it. It took them two years to rebuild a motor that still doesn’t work. I have a email trail that is two years long dealing with the promises and excuses. I wouldn’t recommend them for anything at this point. I have spent close to $20,000 to rebuild the engine that doesn’t work and wasted two years with the vehicle at their shop almost the entire time. Not sure what the issues are but it is not the same shop that put in the Stage I.

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Questions & Answers

If I have my own tunes can you guys in install it Because I don’t really know what to do

yazan abdal | Aug 24, 2020
2001Cobraboy | Aug 24, 2021

Do you have a handheld tuning device of any kind? If so we can. Any custom tunes though I have to advise are not California compliant. Honestly we only really deal with SCT stuff but it might be best to call and talk to Ricardo or reach out to us via Instagram.

Do they work on new mustangs? I have a 2016 3.7 V6 I want to increase the torque and horsepower

Viren Moret | Aug 25, 2019
2001Cobraboy | Aug 24, 2021

Hi as a shop helper at GTR we don’t do much for V6 platform but we will be happy to do what we can for you. Please feel free to contact us at the shop anytime.

Read More

GT500 Eaton M122 Supercharger compatible with ford mustang 2010 v6 4.0 ¿?

Dario Escobar | Aug 24, 2020
built for speed | Aug 24, 2020

Nope unless you have a customized lower manifold/cooler to fit that

I have a 200 mustang v6. It has over 200,000miles. Do you guys do a refresh or engine swaps?

Evan Michael | Aug 25, 2019
Alfonso Cerda | Aug 25, 2019

I'm sure they do, call and ask they are very help full

Are they not opened on mondays??

Cameron Gonzales | Aug 25, 2018
Eddie Zapata | Aug 25, 2018

They changed their business days to Tuesdays - Saturdays

Is this shop strictly a mustang shop or do they work on chevy too?

OSCAR IBARRA | Aug 25, 2018
2001Cobraboy | Aug 24, 2021

We do some Chevy stuff but mostly all mustangs and ford Lightning’s

can you tune air/fuel ratio on a G35 infiniti?

fernando martinez | Apr 26, 2022
GTR High Performance | Apr 26, 2022

Hello, we mainly work on Ford Mustangs. Sorry about that!

Is there a bolt on turbo kit for 2014 Buick Verano?

Matt Dillon | Nov 27, 2021
GTR High Performance | Nov 27, 2021

Hi! We mainly do the Ford Mustangs, so I'm not too sure on those cars... sorry about that! You might have to look online for something like that. Thanks, GTR High Performance

Is it possible to get my dyno tune file from you guys through email?

Adrian Flores | Aug 24, 2021
Isaac | Aug 24, 2021

Yes it is but preferably better just to come in

Do you guys do any dodge tuning? I have a 2013 challenger hemi that i want tuned

jacob | Aug 24, 2021
Gonzalo Topete | Aug 24, 2021

Mainly specialize in Ford Mustangs.

I’m doing a LS 5.3 swap in my Silverado would you be able to delete vats to get the engine running in need of a tuner

Joseph montes | Aug 24, 2021
Gonzalo Topete | Aug 24, 2021

Mainly specialize in Ford, mostly Mustangs.

I got a 2002 4.0l ranger and I wanna get as much power out of it as I can and I was wondering if I can get some advice on what I should get such and if u guys could tune it and help set a plan

Blake Dooley | Aug 24, 2021
Ed | Aug 24, 2021

It's probably a better idea to contact them directly then on here. They do more than just Mustangs or V8's for that matter. I'm sure they can help you find what you are looking for.

I have a 2013 ford Mustang I want 3:73 gears put in it (it has 2:73 currently), I hear over the internet prices are resonably ....how much would it cost me??

douglas kindt | Aug 24, 2021
Sanjay R | Aug 24, 2021

Call Ricardo

Hi, do you guys dyno AWD vehicules?

xEndlessXadrenalineX JM | Aug 25, 2018
Lee Kilcoyne | Aug 24, 2020

No. Rear wheel drive vehicles only.

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