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I had M&H racemaster drag radials and skinnies for a while. Drag radials did not work good on the street for me they ball up rubber and spin, they need a drag strip to actually work in my experience. Ive tried MH racemasters and mickey thompson ET street R in multiple sizes no luck for me on...

Been having an issue where my coolant expansion tank is apparently getting over pressurized and leaking from fittings after I get into boost. A hose came off a T fitting too. Suspecting possible head gasket? What you guys think, is there any other possible reason?

Anyone run water wetter in their supercharger heat exchanger? I'm thinking of putting some in my whipple cooling system with oversize heat exchange, and probably adding some to the OEM cooling system too. Anyone have any good results from this product, or know of any reason this shouldnt be done?

Basically 1. Dont overheat, keep coolant temp below 230* and oil temp below 250* get a better radiator and oil cooler if possible. 2. Dont detonate (knock) Use cooler plugs if your highly modded or SC etc, use good octane fuel preferably e85, have a catch can to keep oil from going into...

For a while now after I start my car and put it in drive, it barely moves and seems to rev up to over 2k rpm without even hardly moving the car. After about 30 seconds of like barely being able to move it starts acting normal.. Im pretty confused by this since after its all warmed up it acts...

For the last few days right after I start my car and put it in drive, it barely moves and seems to rev up to over 2k rpm without even hardly the car moving. After about 30 seconds of like barely being able to move it starts acting basically normal.. Im pretty confused by this since after its...

Excellent condition OEM PP1 Wheels and tires 19x9.5 and 19x9 with 275 40 19 Michelin Pilot Sport 4s tires on the rear and Pzero Corsa 265 40 19 on the front. Wheels are a bit dusty but in excellent condition. Tires are in good shape at least half tread left. $1300 shipped to the continental 48...

Car seems to run fine but this was on my plug. What is this and what should I do? Any ideas? Thanks

Powerstop are better in every way. Hawk squealed more, dusted more and overall didnt last long. Z26 are practically silent, less dust, much better bite. I had to adjust my braking pressure after switching to the powerstop z26 because they bite harder. So in my opinion z26 are far superior...

Guy went from 10th place to 4th place on the last lap pulling the ballsiest move in nascar history. Top 4 finishers go to a championship race.

Was wot for like 4 seconds then full braking , once I realized braking wasnt enough I let off the brakes and steered slightly left into the shoulder. audio in the vid is slightly delayed approx 1 sec off not sure why. Hopefully this helps other people avoid this type of close call.

I recently had the spark plugs changed out on my whippled 18 gt and noticed one of the plugs had more oil on the threads than the rest of the plugs. Car seems to run fine I changed the plugs just because I wanted to see how they were doing. I think the gap on the plugs seems to have gotten...

I have a question about DA vs temperature. I am wondering if -1000 DA in 50 degree weather is exactly the same in terms of performance as -1000 DA in 35 degree weather? Will a car be faster in the cooler temps or does that not matter if the DA is the same?

WTB oem gt350 mufflers with the actuators

Alright who was it this time? This is why I tell people to keep advancetrac on. You can do 400+ foot rolling burnouts with advancetrac on if you keep it straight enough.

If you lower the rear of the car do you shift some of the weight distribution to the rear?

I have a whipple with ~750+ rwhp and I am wondering if I should use a 2nd gear leave tune, or what HP a 2nd gear leave tune would be beneficial at? On the street 1st and 2nd are useless and if its below like 70* 3rd is useless too even with DR's unless the surface is good quality. Just...

Ive heard from my tuner and installer that having TCS on can be bad for the motor. What do you guys think? Harmful to the motor to keep TCS on and have it kick in often? I would hope it wouldn't be harmful but it would definitely kick in a lot. I usually keep tcs off but advancetrac on.