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  1. DRK HRS

    No sound after replacing head unit in Mach 460 car

    I haven't had a stereo in my Mach 1 for like a year. I had a really nice Kenwood with built in nav but I moved it to my daily because that just makes more sense. Just finally getting around to putting my older (circa 2012) Kenwood back in the Mustang. Point being, everything was working...
  2. DRK HRS

    Just a little highway pull in my Mach 1 [video]

    Lettin' all them bald eagles fly a bit... Still need a D1SC upgrade some day. EDIT: This was on a slight incline, I should have done it on a flat road.
  3. DRK HRS

    Blown 03 Mach 1 vs new BMW M3

    I was driving down the highways of Mexico earlier today. Wasn't looking for a race or anything, but noticed a BMW in the rear view driving kinda aggressively. I couldn't tell you the exact year, but if I google "2017 BMW M3" it looked exactly like the pictures that come up. I haven't really had...
  4. DRK HRS

    Solving engine overheating on really hot days

    When the outside temp gets near 100F, my coolant temp usually starts rising with no sign of stopping unless I stop the car and let it cool for a while. Driving at highway speeds generally keeps it cool enough. I'm assuming this is thanks to my intercooler reducing airflow to the radiator +...
  5. DRK HRS

    What are the consequences for street racing in Missouri?

    I've been looking up statutes, but can't seem to find the answer. In MO, what happens if you get caught street racing? Do they just slap you with a massive fine and points on the license? Impound your car? Jail time?
  6. DRK HRS

    Destroyed a turbo Eclipse

    Nothing special, standard 4 cyl beatdown. I just thought it was funny because his license plate said "V8RSLO" - it's the only reason I wanted to race him and it's the only reason I'm even making a thread lol. It was a slaughter. In his defense, he would probably beat most N/A V8s. Import...
  7. DRK HRS

    03 Mach 1 vs 2013 GT500

    Yeah, I lost lol. Still a good race because I've got a pretty decent weight advantage, I hung in there but he was pulling on me a bit the whole time. went from like 70-140 and it ended with him having a couple cars on me. He was breaking loose a bit at 90, scary shit! Man those things are fast...
  8. DRK HRS

    Am I making less power for my boost than you'd expect?

    I've been wondering about this, at peak power I'm making 486 rwhp on 14 PSI. This is with a P1SC from the Mach 1 kit. That's at like 6300 RPM or so. Apparently it keeps building more boost up until redline (17 PSI) but the blower is losing efficiency at that point and I actually make less power...
  9. DRK HRS

    Polaroid Cube test, did a 40 mph pull in the Mach 1

    Wanted to see how this Cube+ I picked up works on the car. The only problem is the curved lens. It makes it look like you're going slower lol. Like if you watch the SUV in the next lane it barely looks like I'm pulling away, but if you look at the trees and bushes on the right side or the road...
  10. DRK HRS

    Mach 1 with no cats idling

    Just a little idle clip I took today. Yeah, she's filthy I know. Got caught in the rain yesterday. I swear it cleans up nice. O/R X + Flowmasters, and you can hear the Procharger whistle a lil if you listen closely. :cool:
  11. DRK HRS

    Procharged Mach 1 vs Pontiac G8 GXP

    I wish I stuck my Polaroid Cube on the car for this, but I wasn't expecting anything so no video sorry. Was out cruising on the highways of sunny Mexico today. There was a G8 that pulled up to me and was acting kinda aggressive, but there was some traffic in front of us. He eventually went over...
  12. DRK HRS

    Ignition seems to cut out for half a second sometimes then kicks right back in

    This isn't really blower related, but I don't see a general tech forum. Maybe I'm blind. Anyway, this used to only happen during cruising/normal driving but now it's starting to happen when I go WOT. Ignition seems to just totally and instantly cut out for half a second, then it returns...
  13. DRK HRS

    I keep popping the FRPS!!!

    So my '03 Mach 1 keeps popping the fuel rail pressure sensor every few days after my latest upgrades. It's got a Cobra short block and is Procharged, with an 03/04 Cobra tank swap + KB BAP (40 amp) and 60# injectors. Making 486 rwhp right now, can't seem to get any more out of the P1SC. The...
  14. DRK HRS

    Expected extra boost with new pulleys

    What would you guys expect to see for PSI increase on a P1SC going from a 3.4 to 3.2 pulley and installing a 15% crank OD pulley? Currently making 9 PSI.
  15. DRK HRS

    Where can I find an underdrive alternator pulley for an '03 Mach 1?

    I've been looking everywhere, but can't find shit for these Machs! Got a 15% overdrive crank pulley and dropped to a 3.2" Procharger pulley. I'll destroy the alt fast if I don't underdrive it. I'm looking for like a 2.75" to 3.00" for the alt. It's the 4G alternator, 6 ribs. Does anybody know if...
  16. DRK HRS

    Procharged '03 Mach 1 vs '02-ish LS1 Camaro

    This ended about how you would expect, lol. Was cruising home on the highway yesterday and noticed a black early 2000's Camaro SS was switching lanes behind me trying to get up next to me, obviously looking for a race. Loud exhaust, so it at least had some bolt-ons. He got up next to me and hung...
  17. DRK HRS

    BEWARE! UPR doesn't honor warranty if you use forced induction.

    Just a heads up, my shop said UPR denied my warranty claim for a broken cat on my X pipe because I have a supercharger. I guess you can always tell them you don't have one, but thought I'd let everybody here know. I have no idea if they'd apply this policy to the stock blower on a Cobra.
  18. DRK HRS

    Off-road X on blown Mach 1 without re tuning?

    Is there any danger in switching from a catted X pipe to an off-road X pipe without a new tune for a week or so?
  19. DRK HRS

    8.5:1 comp Cobra engine with a centri blower?

    I'm upgrading my Mach 1. I found a really nice deal on a factory fresh 03/04 Cobra short block built for 1000 HP with Manley pistons/rods, 8 bolt Cobra crank, all ARP hardware, but still keeps the original 8.5:1 compression ratio of the Terminators. If I had a roots or twin-screw I wouldn't...
  20. DRK HRS

    Spun a bearing... time to build the motor

    At least I'm almost positive it's a bearing, will know soon. It sounds like a pretty nasty rod knock on the passenger side. As long as the motor has to be opened up I might as well build this thing up with forged rods and pistons! Actually looking for opinions. Would it be better to go with a...
  21. DRK HRS

    Blown Mach 1 vs new GT-R

    The rain's gone so all the nice cars are coming out to play again! I ran into a new GT-R that didn't even have a real license plate on yet. Not a NISMO, just a regular GT-R. Never had a chance to run against a recent model so I switch lanes and pull up beside him and downshift so he knows I want...
  22. DRK HRS

    How good is the NT05?

    Not a Cobra here, but a Mach 1. Looking at getting some grippier tires than my 555s. I am just blowing these things right off through first and second. How well would I do with the NT05 on the street in a 450 rwhp Mustang? Not the NT05R, just regular NT05 - this is a daily driver unless it's...
  23. DRK HRS

    Beat a Hellcat... WTF?

    This was last weekend. Neon green Challenger Hellcat. I figured I was about to get bent over and mercilessly pounded, but wanted to see how close I could hang with the blower and huge weight advantage. I looked over at him and grinned a bit, said "nice car! what year hellcat?" he said "thanks...
  24. DRK HRS

    New guy with a new (to me) Mach 1

    New guy from St. Louis here! It may not be an SVT but I've still got a supercharger and a 4v. :pepper: Lookin' forward to hanging out here and learning. 3 months ago I picked up an '03 Mach 1 w/ a tick under 25k miles. Now it's got a Procharger P1SC @ 6 PSI, intercooler, 60# injectors, UPR...

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