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  1. 0

    Low 13's for a naturally aspirated GT?

    Skip the u/d pulleys, especially if you plan to add a supercharger later. The 4.10 gears will make a big difference. They don't add horsepower but they put you in the power range quicker. Some might suggest that 4.10s are too steep for a supercharger. Something to think about. Beyond that...
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    Help with Headers please

    I bought Hooker LT headers ($700) and o/r x-pipe ($140). It cost another $800 for installation. You can do it yourself but it is a real pita. I gained 23 rwhp from this combination. By far, the best mod to date.
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    Mid-Pipes and Torque Loss

    When I added LT headers and o/r x-pipe, I gained overall horsepower and torque. I did, however, notice a slight loss in low-end power. I noticed another loss in low-end power when I added Magnaflow catbacks. I do think that the 4.6 likes backpressure, at least on the low-end. The exception...
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    how much power am i pushing?

    With the mods in my sig, I was at 250 rwhp. Since I've added Magnaflow catbacks, I am probably closer to 260 rwhp now. With a manual transmission, that would put me at 270 rwhp. By far, I've seen the best gains with exhaust mods. With the LT headers and o/r x-pipe, I gained 23 rwhp. I...
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    Magnuson-Moss Warranty Act (1975)

    Fortunately, in the year that I've owned my GT, I have not gotten a speeding ticket, or any other kind of ticket for that matter. I wonder if I should bring a copy of my driving record, or again let them have the burden of proof. It seems prejudicial to accuse all performance parts owners of...
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    Magnuson-Moss Warranty Act (1975)

    I appreciate all the advice. Much of it will be incorporated into my documents for arbitration. I will be sure to keep you updated. Since this is arbitration rather than litigation, I am hoping that it is not a long and drawn out process.
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    Magnuson-Moss Warranty Act (1975)

    Good thing I have Steeda u/d pullies :)
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    Magnuson-Moss Warranty Act (1975)

    My concern is that when I get to arbitration that the warranty company will work on the basis of assumption and accusation. For example, the presence of headers implies racing. Isn't this just a wild accusation. Don't they need to provide proof that I raced, e.g., records of a local drag strip?
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    Magnuson-Moss Warranty Act (1975)

    I actually have Hooker headers. I am curious though. Haven't cars come stock with factory headers? I thought that some of the 5.0s actually came with LT headers. Anyone know for sure? Also, if car manufacturers put headers on their cars, doesn't this indicate that they are safe for stock...
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    Magnuson-Moss Warranty Act (1975)

    The warranty requires that I go through arbitration rather than litigation. I will be filing a complaint form with the National Arbitration Forum. There is an initial filing fee of $35 and then I will need to pay for half of the participatory hearing fee, which is $300. I don't plan to hire a...
  11. 0

    Magnuson-Moss Warranty Act (1975)

    For good or bad, my engine will be sent to Ford when I receive my rebuilt engine. This is necessary to avoid a core charge. The warranty company had their opportunity to inspect the engine. Their primary concern was the presence of headers. Interestingly, they also pointed to my Plasma...
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    Magnuson-Moss Warranty Act (1975)

    The only related provision I could find in the contract is this: "A breakdown caused by negligence, misuse, improper servicing..." This provision occus in the section entitled, "Events which are not covered." It seems to me that this still puts the burden on the warranty company to...
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    Magnuson-Moss Warranty Act (1975)

    Thanks for the feedback on the Magnuson-Moss Warranty Act. In Arbitration, I intend to focus primarily on the wording of the warranty contract. In a section entitled, "Events which are not covered," point nine reads: "A breakdown caused by non-manufacturer recommended alterations to the...
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    Magnuson-Moss Warranty Act (1975)

    As many of you know, my engine seized due to broken oil pump gears. My warranty company refuses to pay for the work because my car has headers. When I quoted from the Magnuson-Moss Warranty Act, they didn't seem to care. This Act is a broad-ranging federal law that protects consumer rights on...
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    How do bolt-on modifications work?

    Let's say that you add 50 rwhp through bolt-on modifications. How much of that horsepower was due making the engine more efficient? How much is due to the larger explosion in the chamber? Most of my power gains have come from exhaust modifications. Rather than increase the size of explosion...
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    How do bolt-on modifications work?

    That's what I meant to say :) You are the man :hail2: Thanks for a great explanation :flag:
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    How do bolt-on modifications work?

    With bolt-on modifications, your car does not require as much power to draw air and push exhaust. This saved power can now be used to turn the crank. My point is this: the power was there all along; you simply changed what the power was used for. This means that bolt-ons do not put...
  18. 0

    question about gears w/ an auto tranny

    I put 4.10s in my automatic, and the rpms went up about 600 rpms. Do the 4.10s. You won't regret it.
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    How do bolt-on modifications work?

    Bolt-on modifications help your engine to breathe more easily. It's like trying to breathe with a paper painter's mask. Your body needs to work harder to inhale and exhale, robbing you of energy elsewhere.