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  1. sneaky98gt

    Funny Story About Advanced Auto Parts

    That is the exact reason I quit using Advance and Auto Zone and now always use O'Reilly. It is very rare that happens to me at O'Reilly, while it happens almost every time I walk into an Advance or Autozone. I like Napa/Walker, too, but they never are open the hours I usually need to go to a...
  2. sneaky98gt

    Anyone Running A Power Adder And An Auto?

    WOT shifts into overdrive at your power level WILL toast the overdrive band in quick order. You are correct in that it won't directly damage the other gears, but all that band material circulating around in your oil will likely damage the entire transmission. Bottom line: WOT shifts into...
  3. sneaky98gt

    Lets Play A Guessing Game

    Were you not seeing full boost on the street? Sounds like if it was good on the street, should be good on the dyno. Or was it not 100% on the street yet?
  4. sneaky98gt

    What Entry Level Supercharger For 03 Gt

    Oh, this reminds me: Nightfire, did you ever get your car on the dyno?
  5. sneaky98gt

    What Entry Level Supercharger For 03 Gt

    My "line of thinking"? Nothing in my post is my opinion. Quote ONE thing in my entire post that is not factually correct. And I don't mean something that you think is incorrect, but something that you have proof of. Facts, data, reasoning, logic, etc.. Those kinds of things. Here, I'll...
  6. sneaky98gt

    What Entry Level Supercharger For 03 Gt

    Aaaand......that's not true. Take a BONE STOCK 99-04 GT, put a Vortech on it pullied to a max 9 pounds of boost. Then take the same car, put a 2.1 Kenne Bell on it, and they will make VERY similar maximum power numbers. I'd venture to say that both cars would make within 10 horsepower of 370...
  7. sneaky98gt

    What Entry Level Supercharger For 03 Gt

    I guarantee you that the PD blower car will win. You are correct that most of the race is spent in the upper rpm range where the power levels are similar. I stated that earlier. But considering both cars start at 1500-1800 and have to get to that upper rpm range (4500ish), the PD blower is...
  8. sneaky98gt

    2v 5.4 Build Safe Compression Ratio

    Yea, they do. There's a warrantied 550 hp version (around 475-500 on the tires), and an unwarrantied 625 hp version (about 550 on the tires). Both come with Ford tuning that'll even run on 87 octane. Search around Youtube. There's a TON of guys making 500-600 horsepower on pretty much stock...
  9. sneaky98gt

    What Entry Level Supercharger For 03 Gt

    Out of curiosity, how hard were you spinning yours? I was only at around 7 pounds of boost, maybe 8 when it was cold outside. I can assure you that it will. For some reason, you're assuming that a centri car makes more power up top than a positive displacement blower does, and that's not...
  10. sneaky98gt

    2v 5.4 Build Safe Compression Ratio

    I've seen quite a few, and they make very good power on relatively low boost. Unless I'm mistaken, Ford even offers a blower for them that makes over 500 on the tires, under warranty.
  11. sneaky98gt

    Progress Thread The Sneaky98gt Build Thread

    Don't know, haven't gotten it into open loop operation yet. All I've been doing is high load, part throttle pulls at lower rpm. Like a 2000-4000 rpm pull in 3rd with the converter locked. Everything seems good on the closed loop side, though. Got about 200 miles on it with no issues thus far.
  12. sneaky98gt

    2v 5.4 Build Safe Compression Ratio

    Don't forget that just because you can't run as much boost with higher compression doesn't mean you can't make the same power. Power is all about cylinder pressure. It doesn't matter if that cylinder pressure comes from compression ratio or boost. So, yes, it's true that you can't run as much...
  13. sneaky98gt

    Progress Thread The Sneaky98gt Build Thread

    That's what I'm thinking also. Gonna check and see if I got voltage on the back side of the low pressure switch.
  14. sneaky98gt

    Progress Thread The Sneaky98gt Build Thread

    Yessir. I was so relieved when it actually cranked up and ran. Drove around 50 miles this afternoon with pretty much no problems. Haven't gone over 4000 rpm yet (and probably won't for a few hundred miles), but I've been putting some load on it at lower rpm. Seems to be running just fine...
  15. sneaky98gt

    Progress Thread The Sneaky98gt Build Thread

    Car is back running now. It cranked right up as soon as I hit the key after priming the fuel pump, just like it never missed a beat. Planning on drive it some this afternoon after work.
  16. sneaky98gt

    Nitrous Kit Questions

    Maybe someone with more experience could correct me if needed, but I don't think it matters. Since the throttle body is wide open when you spray the nitrous (or at least should be), I don't think it'd matter how far away it is as long as it's not in front of the MAF sensor.
  17. sneaky98gt

    What Entry Level Supercharger For 03 Gt

    To be fair, it did make 370 rwhp on the dyno shortly before the most recent motor let go. With the PD v. Centri argument, a manual transmission or higher stall converter definitely evens things up a bit since they can get into the powerband a lot quicker, but with with stock converter...
  18. sneaky98gt

    How Many Miles Out Of A 98 Gt Can You Get

    $4500 is high UNLESS it's in really good shape. If the exterior is all original with little-to-no problems, and the interior is super clean also, it might be worth $4500. And if it has mods on it that you would do anyway, then that's a plus also. On account of longevity, these motors will...
  19. sneaky98gt

    What Entry Level Supercharger For 03 Gt

    Psh, in yo dreams. It's not like it just magically stops pulling after 4000 rpm or something. Heck, my car with a super-duper terribly inefficient Heaton made peak horsepower at 6200 rpm last time on the dyno, and was relatively flat from there until 6500.
  20. sneaky98gt

    What Entry Level Supercharger For 03 Gt

    If you're looking simple, cheap, and reliable, it's hard to be a Vortech. However, I'm gonna go against the grain and say a 1.9 TVS. Something about all that low end torque is a lot of fun. The transmission will shift into overdrive if you don't disable it (with the button on the side of the...
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