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  1. MatthewAMEL

    Pressure Washing

    There is no better way to wash your car than to use a properly sorted pressure washer. You need one that hits the sweet spot for cars. These aren't the same systems you use to clean your deck or sidewalk. https://www.obsessedgarage.com/collections/pressure-washing Follow that link at your...
  2. MatthewAMEL

    CT4-V Blackwing Launch Control

    I can't speak to the LF4, but the LT1/4 have always had a HUGE problem with low RPM launch bog. C7/6th Gen folks went nuts trying to fix the bog (cams, tunes, etc), but the best (cheap) solution was to launch at a higher RPM.
  3. MatthewAMEL

    CT5 BW CAI - Finally

    I recall an interview with Mrza and another one of the V-Club TechTalks that the Caddy group was painstaking in their approach to Airbox and exhaust design. I think, as the aftermarket is discovering, the stock Airbox is really, really good.
  4. MatthewAMEL

    Should I go with pilot sport cup2 or PS4S for my 19 inch wheels? On my ct4-v Blackwing

    Maybe for street driving. Absolutely not for Track or AutoX. The TPC PS4S is a Sport Cup 2 hybrid.
  5. MatthewAMEL

    eBay Center Screens (12.3") for CT4 - Anybody tried it?

    Considering the agony one of our members went through trying to get the OEM CT5 screen to work in the CT4, I'd say the chances are zero. https://www.cadillacvnet.com/forums/threads/retrofitting-ct5-display-in-ct4.3409/
  6. MatthewAMEL

    Stopping Epoxy Floor Tire Marks

    Sealing is a bit more $ than epoxy coating, but I think it'll be worth it. In my climate, the sealant should be fine for 10 years without re-application. I am using a penetrating sealant, not a surface sealant. Mine will wind up with a matte finish. Then SwissTrax over the area where the cars...
  7. MatthewAMEL

    Stopping Epoxy Floor Tire Marks

    21 years ago when our house was built, I went with tile in the garage. It has been incredible. It doesn't care about fluids, it cleans easily and hasn't chipped or cracked even with my wife's 4-door Jeep Wrangler Diesel. Took me a minute to find someone willing to do the job, but 20+ years...
  8. MatthewAMEL

    New tire setup or tires for my ct4-v Blackwing for the track

    As others have said…it’s the tires. It’s also your springs, but that’s a different conversation. You aren’t smarter than GM’s chassis engineers. They are some of the finest in the world. As for the TPC PS4S, it’s not the same tire you would buy from Tire Rack or Costco. The outer bands are...
  9. MatthewAMEL

    Brake fluid exchange procedure

    Lights that are set as a result of a transient condition will reset after three on/off cycles. The code is still stored, but the light will go off. Battery disconnect is a must since these cars 'pre-initalize' when the key fob is in close proximity.
  10. MatthewAMEL

    Aftermarket Wheels for CT5-V Blackwing

    I had those on my 1LE in black. That pic is 11” front, ET11, 11” rear ET35. Ran 305/30-19 RT660s.
  11. MatthewAMEL

    Aftermarket Wheels for CT5-V Blackwing

    100%. They already make the rears in bronze. Just need those fronts.
  12. MatthewAMEL

    Break in 6MT fluid change

    Isn't that the truth! I rarely deviate from OEM fluids/filters/parts...when I do it's usually for a specific use case and after some time reading what is out there. I tend to over-service all of my and my family members cars also. Although I believe I service them at a reasonable interval. :D...
  13. MatthewAMEL

    Break in 6MT fluid change

    TREMEC HP-MTF™ MANUAL TRANSMISSION FLUID We get the question all of the time, “What kind of oil do you guys recommend?” And now, we’re pleased to announce our definitive answer -- “TREMEC oil, of course!” Developed in conjunction with world-class automotive and industrial lubricant...
  14. MatthewAMEL

    Break in 6MT fluid change

    Well, that is even more bizarre. So the -6060 in the BW4 says to run MTF, but the -6060 in the BW5 says to run Dexron? Any ideas why?
  15. MatthewAMEL

    Break in 6MT fluid change

    Of course. For me the essential part of the equation is: when you buy directly from TREMEC and they are responsible for the warranty, they recommend HP-MTF. GM validated the Dexron in the -6060 not because it's better, but because it's cheaper for GM to use one less fluid type across the models.
  16. MatthewAMEL

    Break in 6MT fluid change

    Well, it certainly is ATF in the BW5 with the -6060. And if you go to Redline and others to find what their equivalent product is...it's 'straight' ATF. D4 ATF - Quart Our most versatile ATF, use where Dexron III®, Dexron II®, Mercon® and...
  17. MatthewAMEL

    Break in 6MT fluid change

    Great in-depth breakdown! When I got my 6th Gen, I bought the service manual (pg 12160 in mine). It was emphatic about the procedure to not overfill the case. The whole 'bend mechanics wire 1/8' in length' or remove 8oz once you fill to the bottom of fill port. When researching best care and...
  18. MatthewAMEL

    Break in 6MT fluid change

    100% not required, but certainly won't hurt. I used to do a -6060 fluid swap at the end of every racing season. They made it easier on the Blackwing by moving the temp sensor to a different port. Just be sure to use the GM OEM fluid OR the TREMEC HP-MTF. Don't go into the redline/amsoil, etc...
  19. MatthewAMEL

    Track Mode

    Sport - Competitive Mode is usually what is used for Drag.
  20. MatthewAMEL

    Track Mode

    General rule for all GM products: if it disables TC, it’s reset with an engine start. Been that way since C5. Corvette, Camaro, Caddy all work same.
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