97 Caddy STS 4.6 Tuning - Page 2
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Cadillac Powertrain Control Module (PCM) Tuning Discussion, 97 Caddy STS 4.6 Tuning in Cadillac Engine Technical Discussion; Originally Posted by submariner409 That Cadillac is no faster than yours by any appreciable amount. That video is the result ...
  1. #16
    AJxtcman's Avatar
    AJxtcman is offline Cadillac Owners Connoisseur
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    Re: 97 Caddy STS 4.6 Tuning

    Quote Originally Posted by submariner409 View Post
    That Cadillac is no faster than yours by any appreciable amount. That video is the result of some work on traction and torque control, tires and pressures, not engine horsepower. Neither AJ nor anyone else has hit the magic fuel/timing/torque numbers to guarantee consistent power gains. I can do exactly the same thing in my STS and I don't get to that 5th power pole any faster than any other daily driver STS in here.

    We're all waiting. Get in line. Accept the fact that there is not anything currently on the table or drawing board that is going to make you a drag star. Read, heed advice, experiment.

    AJ is currently in the process of a cross-country relocation, so he hops in and out as time permits. Even he will admit he doesn't have the magic key yet. Hang in there.
    We ran a 14.6
    That is just a little faster than your STS

  2. #17
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    Re: 97 Caddy STS 4.6 Tuning

    Quote Originally Posted by lotech22 View Post
    Alright, just so I'm straight on this & to confirm; THAT mod is the front speed sensors in parallel w/the rear speed sensors (& an on-off switch in there to engage) trick, right?

    Oh, and NOW I'm at least considering taking the cams out of a same year Concourse (300hp) & toss 'em into my base model (275hp) I think it's a base or a D'elligence. I mean, it can't ALLL just be pcm tweaking; can it. or are those cams the EXACT same specs. Where does the differance lie?
    NO I have a module to fool the EBTCM

    Now how fast do you plan on going?

    Blower or Turbo?

    Nitrous?

  3. #18
    lotech22's Avatar
    lotech22 is offline Awaiting Email Confirmation
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    Re: 97 Caddy STS 4.6 Tuning

    Well nitrous is a bit much & I'm thinking blown just 'cause it'll be easier then trying to fit the thing w/down pipes. I'll bet those would have to custom made. All I really want is about 325-350hp. I mean, 400+ would be great but...well, I like the idea of going MORE than 3 or 4 miles on a FULL tank. How fast? as fast as that DTS on the dragstrip. ANYTHING you could' do you'ld be a hero. Oh, also; what about that whole cam swapping thing from concourse to base model, or just swap the heads entirely possibly to save labor (or potential homocide)? Any gains there? By the way, What is this module you use?

  4. #19
    AJxtcman's Avatar
    AJxtcman is offline Cadillac Owners Connoisseur
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    Re: 97 Caddy STS 4.6 Tuning

    Quote Originally Posted by lotech22 View Post
    Well nitrous is a bit much & I'm thinking blown just 'cause it'll be easier then trying to fit the thing w/down pipes. I'll bet those would have to custom made. All I really want is about 325-350hp. I mean, 400+ would be great but...well, I like the idea of going MORE than 3 or 4 miles on a FULL tank. How fast? as fast as that DTS on the dragstrip. ANYTHING you could' do you'ld be a hero. Oh, also; what about that whole cam swapping thing from concourse to base model, or just swap the heads entirely possibly to save labor (or potential homocide)? Any gains there? By the way, What is this module you use?
    New Comp Cams are cheap.


    I am working on something new again.
    I will let you know how it goes.

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