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Want to install Eibach Pro kit but don't want to scrape. Currently have long tubes and a Magnaflow resonator that are about 4.25- 4.5 inches from the ground with stock springs. If I do the spring kit, I will be 3.25-3.5 from the ground. Will I scrape from driveways or bad roads/ speed bumps...

Swapped from 85mm to 79mm pulley on my VMP Gen2R. With the 85 I was seeing -3 Knock for a total of 20.5 degrees at WOT. Now I am seeing +1-3 knock for a total of 14.5-17.5 degrees. Seems like a lost cause but somehow the car feels faster . Should I be seeing more timing ? Am I making more...

I keep hitting the limiter between shifts (manual) . I can’t tell but tuner says log shows I’m flaring a bit . The limiter causes a delay when I shift into the next gear. Can this delay be tuned out? I can’t seem to modify my driving to shift at 7500 and not flare between shifts. I think I’m...

Installed catless LT headers and now I have a backfire when I get in and out of the throttle. Is this something that can be fixed in the tune? Its generally a single back fire after a wot hit. Usually 2nd gear. Happens under partial throttle (heavy) sometimes. Not a good sound. Never had this...

i am noticing at the dragstrip when I shift up to the next gear that there is a slight delay . It seems I am in the next gear with my foot on the floor and for a split second there is no power. When watching video it seems like I’m shifting too slow. Is this a tuning issue. It is most evident in...

Cant seen to get 60 ft times that others are getting. Car is running 11.30 @125 with a 1.74 60ft. What am I doing wrong. Car is around 600 whp . Spinning and recovering never dead hooking. I thought I could run a 1.6 with this power. If I switch to Hoosier 28x10x17 slick will I improve?

My car goes into cat protection in 3rd and fourth at the drag strip . Afr goes to .66-.69 lambda all through those gears. Is this hurting my performance? If so what can I do?

I will be using MT bias ply on he back and my regular tires on the front. Should I drive through the box or back in to avoid my front tires getting wet?

I notice after installing the VMP kit that my exhaust tips turn black with carbon dust very quickly, like daily. Is this a normal thing? I’m guessing it’s pig rich under boost? Anyone have this ?

Are you happy with it? Are you still getting oil in the supercharger? Not sure if you would know. I need to get one but Not sure if I should go UPR or the less expensive JLT. Opinions please. Thanks

Is there anything special I need to do when filling the engine coolant back up after install? Instructions show an evac tool which I don’t have. I lost quite a bit when I removed the water pump and the rad is empty . Will the system prime itself if I just fill from the degas bottle?

I see some people running with the lid off specifically on dyno videos. Will it make more power with the lid removed?

Thinking about pulling the trigger on a set of stainless works long tubes with high flow cats but worried about sound being too loud. Does anybody have this set up.? How is the sound is it too loud is there a drone? My exhaust sound is perfect right now. Not looking for any drone but want the...

I finally did a WOT 3rd gear data log. I'm new at reading the results. I am seeing 26-27 degrees of timing with the knock sensor showing 3.0-3.5. It is a Bama tune. Am I to assume that the car is being commanded around 30 degs timing and that the knock sensor is subtracting 3 degs? I am...

Took my 2017 to the track. Weather was hot 85 deg with really high humidity. Wheel hop was violent. Felt like I was going to break something. Literally had to slip the clutch and baby launch. My 60 ft shows it. I think it ran good considering the heat . There were several 2011-14's running...

Just installed a Bama V2 race tune on my 2017 GT. Took it for a ride and really didn't notice much difference. It's hot and muggy outside. Did a 0-60 test and immediately shattered my best time by .2 seconds with a slight bog. So I guess it is faster!! Questions Why is the rev limiter...

Does it make sense to buy a Paxton kit with a 3.6 pulley with the intent of enjoying more boost at lower rpm street driving and short shifting as opposed to a kit with a 3.8 pulley? I'm talking like 6800-7000 rpm max. Not really wanting the high boost of a drag car (and the detonation risk)...

Currently unable to decide whether to get 19's or 20's. I have looked at tons of pics and read a lot about these wheels. Was thinking 275/35/20's or 285/35/19's . Which would you choose and why? I currently have the stock 18's with 235's. Thanks

Just ordered a 2017 GT. Lots of aftermarket performance parts online but I am unable to find a good source for Canadians. Where do you guys buy from? I want to buy exhaust and a few other fun things.. Thanks