GM Motorsport

Purchased a Procharger from these guys and I couldn't be happier! Wayne was great to deal with and always responded quickly! Even though they're GM guys, my kit was for my 2017 Mustang and I wouldn't hesitate to call Wayne and the boys if you want to wake up your Mustang or GM product with a Procharger. The price and service was excellent and it's comforting to know not everyone is out to empty your pockets when it come to the new Mustang.

I chose to take my car here for a tune on my v8 commodore as i had purchased a camshaft from their retail store. they should have solid experience with their own product. When i recieved the vehicle back they had forgotten a number of things and had not followed my instructions on how i wanted my tune, Also wouldnt idle as it should. Upon further investigation i had removed the heads and found that the engine was running DANGEROUSLY LEAN!! (pictures below) luckily i had found this before it was too late and my engine went kaboom!I had then approached GM Motorsport and attempted to have the vehicle rectified on all occasions they had other WORKING and tested componments to blame and have directly refused to assist in completing the job they were engaged for in the first place, I had then spoken to a few other tuning places and nobody wants to tune my vehicle after GM motorsport had drilled a hole in my throttle body (poor tuning for idle) now i have to pay for a throttle body and a re tune. I strongly do not recommend this workshop as their quality of workmanship is poor and over priced and the customer service is terrible once they have your money

Did a Great job on my Holden, so help full these guys are Good..

Could not recommend these clowns any less ,nothing but attitude and big ego's....Better off saving your hard earned and going somewhere else, no sour grapes here....just letting all Ls1 owners know, don't bother with these trash bagsThis is a reply to the ownerThere is no need to go into detail, your company was given the opportunity to do the work that was paid for...Unfortunately it wasn't done properly as I'm now learning of previous people who have been there for work...I will now have to pay another company for the job that was meant to be done by g.mI will not recommend anyone go there..

It started with an online enquiry I made wanting a price on a full exhaust, intake and tune.Instead of getting back to me by email, I received a phone call from Danny there at GMM.I explained what I wanted, he then gave me many options and asked me if I would be making additional modifications in the future. He took all I said into consideration and suggested what I should go for, given the mods I would be making next time. So I booked it in.When I got my car back after the work was completed, I was so impressed. They had transformed my WN Caprice in the way it drove, how it sounded and how it performed. From start to finish the guys at GM Motorsport were first class in every way.Phonsy's tuning skills can't be topped, and Danny's knowledge and customer service is unrivalled.My car is a completely different beast now.I can't recommend GM Motorsport enough.If you're looking at getting some more performance out of your car, give GM Motorsport all call asap! You won't regret it.

Great service and advice for all your ls performance needs. I took my pride and joy HSV Senator E2 in to The GM Motorsport team. A harrop 2300 FDFI was fitted and their Supercharger cam to match, with full Ramjet headers, cats and twin 3 inch exhaust. This was Tuned by the tuning guru Phonsy to extract a thumping 475 RWKWs on 98 Ron fuel. No heads, no interchiller, no gimmicks just a standard LS3 high compression motor. Next was to test it at calder just to see what i could get out of it. After a lazy wheel spinning 11.00@ 129 Mph i got the launch down then ran a 10.744@130 Mph and 10.741@130 Mph. Then i nailed a PB of 10.6002@132Mph. Absolutely estatic. Driven to the track on mickey super streets drop the tyre pressure run the quarter pump the tyres up and drive home. The lazy mans drag car.

Danny and the team were absolutely amazing to deal with! Danny went above and beyond for us and we are so appreciative! It was an an absolute pleasure doing business and we will be back in the future! The tune is so crisp, the car is running better than it’s ever been! Thanks again guys!

Will just say anything to sound knowledgeable or take advantage. Firstly, I arrived to pick up my car, paying for a full tune, and I was told that they would like me to book it in again to get the dips in power curve tuned out. Later on I called them and said you wanted me to bring my car back to finish my tune, that I have already fully paid for, and they said there's nothing that can be done about it. I asked them about why my car was shuddering a little bit as the timing was jumping around at low RPM and asked if they could revise it. They said it was because of the cam overlap and the MAF readings, and that nothing could be done about it. Took it somewhere else, got it fixed by simply tuning the cam timing (it even made more torque) and found that they had left all cam timing completely stock... Called back about this asking for a partial refund and they refused, blaming it on the tuning software, also telling me I should have booked it in to get fixed. Are you kidding me!? After I tried that multiple times and was told there's nothing that can be done?! Also, I have the software. It hasn't changed. Plus, somebody else fixed the tune with the same software... Duh! Also had blamed issues on having old" O2 sensors even though they installed brand new ones. They regapped my brand new spark plugs for some reason. Dynoed the car with octane booster even though I never use that on the street. One other minor thing is they called me while my car was at the dyno to recommend a new

Amazing work from the guys at gm motorsport. I took my Hsv Clubsport in for a new clutch and I couldn't be happier. They're very very thorough. Very friendly and easy to deal with. Thanks to everyone that made this happen, would definitely recommend and will be going back soon for a new cam package.

Terrible service. I Bought a new tk camshaft recently then I decided to go street racer cam instead, so I purchased the street racer cam. Tried to return the tk cam which was still brand new, unopened and in original packaging and they said they would not accept the return. They were great to help me select the camshaft and quick to take my money twice but wanted nothing to do with me once they took my money.Ive recommended alot of people to gm motorsports and bought parts from them previously. Sad, but I Wont be dealing with these guys again.