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  1. DA vs Temperature

    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?
  2. Florida WTB OEM GT350 mufflers with actuators

    WTB oem gt350 mufflers with the actuators
  3. Another crowd gets the full mustang experience

    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.
  4. Does rear/front ride height difference affect weight distribution?

    If you lower the rear of the car do you shift some of the weight distribution to the rear?
  5. 10r80 1st gear delete tune?

    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...
  6. Traction control bad for the motor when boosted?

    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.
  7. Higher rpm with less boost, or lower RPM with more boost, which is easier on the motor?

    I am wondering if its better to have a higher RPM shift point with lower boost vs a lower RPM shift point with more boost. Higher rev example : 8000 rpm shift point with 10 psi Higher boost example : 7500 rpm shift point with 12 psi I have revved to 8k+ hundreds of times with no problem but...
  8. Tramlining with 295s on the front

    I recently went to a wider setup and put 295 35 20s on the front with 20x10s and there is a very noticeable increase in tramlining compared to my prior fronts which were 265 40 19's on 19x9's.. Mainly when merging on on-ramps and highway stuff at higher speeds. Wondering if there is anything...
  9. Blackstone oil analysis after SC

    Here is my blackstone labs oil analysis after installing a whipple gen 5 on my 18 with ~39k miles on the car. Pretty happy with it considering this was all hard driving with 750+ rwhp on e85 Also went from 0w30 to 5w50 amsoil signature series when the SC was installed. All analysis also had...
  10. 10r80 dripping transmission fluid occasionally?

    My car has been leaving small amounts of transmission fluid on the garage floor randomly after jacking it up and letting it down, and sometimes when it just sits overnight. I cant see where the drip is coming from but its near where the oil plug is. I happen to also have an oil leak but there...
  11. Has anyone tried the Xtreme-DI GDI high flow pump?

    EDIT* just saw the other thread about this https://www.mustang6g.com/forums/threads/xdi-high-pressure-fuel-pump-upgrade.151981/ , pls delete Has anyone done the extreme DI pump upgrade? https://www.beefcakeracing.com/xdi-b015-50/ "This GDI high pressure pump was developed to replace the...
  12. The Art of the Rev Off

    This is how its done folks
  13. Sway from the rear end during hard acceleration

    I was occasionally having the rear end sway after a minor dip while under hard acceleration when NA but now that I have a whipple the sway seems to be more severe and happening more often. I am not losing traction the rear end just seems to wag for a bit at full throttle after I hit a minor dip...
  14. Transmission shift pressure/firmness with 750+ rwhp

    I am wondering if its ok to leave the shifting firmness stock when you have ~750 HP? Basically I want all my shifting to act like it does in the various OEM modes, sport, drag, and normal in terms of firmness (drag mode is violent - good for having fun and racing, sport is seamless and smooth...
  15. Got free flowing exhaust (mak pipes) installed but now my car wont run right

    Ive been on PBD e85 tune with no issues other than o2 sensor heater circuit codes which didnt seem to affect how the car ran at all for months. I planned to go free flowing exhaust because im going SC so I got mak performance pipes installed last monday and installed NTK o2 sensors for 5.0...
  16. Quietest 3" axleback?

    What is the quietest 3" axleback? There doesnt seem to be too many options. I am considering getting magnaflow 11229's and going custom but I figured I would ask here first if anyone knows what the quietest bolt on 3" axleback is for 2018's? Custom may be a pain because of the quad tip but...
  17. Anyone have 800+ rwhp with stock cats?

    Anyone have experience with OEM cats and 800+ rwhp for a long time? Are they basically guaranteed to break at 800 rwhp if you do some occasional high speed pulls and 1/4 miles etc?
  18. Mak cat delete performance pipe exhaust setup with magnaflow 12599 resonated X muffler

    Hey guys, I ordered a Whipple , shooting for ~750-775 rwhp on low boost on e85. I think I will be removing the stock cats and trying to find a setup that works for me without cats because I dont want to melt them and possibly damage my motor or anything. I live in a condo and I dont want to...
  19. Highest hp with stock cats

    Anyone here running 800+ hp with stock cats without issues? Trying to decide if I should buy different cats, I dont want to melt a stock cat and damage anything. I am considering mak performance pipes with GESI UHP cats that supposedly can handle 850 hp per exhaust bank. Im going for 750-800...
  20. E85 warm start issue

    Ive recently been getting some weak starts when the car is warm and has been sitting for 20 mins to 1 hour. Anyone else get this on e85? Earlier today it failed to start, it cranked for a sec, kind of started, but died, worked fine after starting it again. Stock fuel system, pbd tune, I had...
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