Ways to increase performance?
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Northstar Engines and System Technical Discussion Discussion, Ways to increase performance? in Cadillac Engine Technical Discussion; What are some ways to increase engine performance as well as prolonging the life of the Northstar engine? I like ...
  1. #1
    Skiller.'s Avatar
    Skiller. is offline Cadillac Owners Connoisseur
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    Ways to increase performance?

    What are some ways to increase engine performance as well as prolonging the life of the Northstar engine? I like to treat my car to as many jewels as I do my girlfriend

    Possibly a Corsa exhaust?

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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Ways to increase performance?

    This has been discussed AKA beaten to death, many times. There is precious little you can do. GM did it all for you.

    Just maintain it. Change the oil and coolant when or before you are supposed to.

  4. #3
    97EldoCoupe is offline Owner of Northstar Performance
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    Re: Ways to increase performance?

    Ranger's right. GM did a great job. But for us hard-headed, overly stubborn lead foots,

    I received the reground camshafts from CHRFAB now. I'm crazy enough to install them without being able to tune the PCM just to see the results. I'm expecting a bit of a choppy idle, a very mild one, but I just don't know how she's going to run. I don't know if I'll be able to improve the power any but I'm going to give it a shot. I'll post the results when I get it done.

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    Ranger's Avatar
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    Re: Ways to increase performance?

    Or you could add Oxytane to your fuel.

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    Skiller.'s Avatar
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    Re: Ways to increase performance?

    Hahaha, no thanks!

    I'll just replace my current FRAM air filter with a K&N air filter.

  7. #6
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    Re: Ways to increase performance?

    Quote Originally Posted by Skiller. View Post
    Hahaha, no thanks!

    I'll just replace my current FRAM air filter with a K&N air filter.

    Sorry to say, but the K&N air filter will do more harm than good. There will be no increase in power and it'll let more dirt into your engine which will greatly increase wear.

  8. #7
    Skiller.'s Avatar
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    Re: Ways to increase performance?

    Really? Wow, I've never heard of that.. So I'm guessing with the increased air flow comes the increased dirt flow?

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    Re: Ways to increase performance?

    Yup. Do a search. It's been discussed and tests have been run to show that they pass more dirt. That said, the Northstar air filter is not restrictive at all. You won't get any increase in performance even if you run NO air filter.

  10. #9
    Skiller.'s Avatar
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    Re: Ways to increase performance?

    Ah! Good to know!

  11. #10
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    Re: Ways to increase performance?

    Google "knize family oil filter study" and get to Russel Knize' Minimopar site. (It's NOT a Mopar site......) and wade through his work on what's in, who makes, and what they look like oil filters. Very enlightening.

    Next time you're in a parts store, take a look at the construction and media area (pleat count) in several brands of panel air filter for your car.

    I personally like WIX products, but that's like engine oils: everyone has their favorite.

    K&N markets quite a line of products, expensive, well built, BUT I would be very leery of using an oiled panel filter in your intake system with the problems of vapor contamination of the Mass AirFlow (MAF) sensor. When you oil a filter, a little is good, more is better, right ? And you can buy a lot of paper filters for the price of one K&N, regardless of how their skewed advertising prices 1,000,000 miles of filters. Snake oil again.

  12. #11
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    Re: Ways to increase performance?

    Lets see
    You can change gear ratio. Need the PCM recalibrated for that
    Change the Cams. Need the PCM recalibrated for that
    Change the injectors. Need the PCM recalibrated for that
    CAI. Need the PCM recalibrated for that
    Port the heads. That gives you nothin
    Corsa. Hmmmm
    Remove BTM (Brake Torque Management) Need the PCM recalibrated for that
    Reset the Stoich for E10. This is a huge gain. Need the PCM recalibrated for that
    Change the PE delay. Need the PCM recalibrated for that

    Lets see. Nothin with out me and I am to tiered to do it any more.

    I tried to give out some info, but I haven't heard back

  13. #12
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    Re: Ways to increase performance?

    AJ, you dirtball: you know too much..................!!

    "Tired, turkey, tired !

  14. #13
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    Re: Ways to increase performance?

    Quote Originally Posted by AJxtcman View Post
    Lets see
    You can change gear ratio. Need the PCM recalibrated for that
    Change the Cams. Need the PCM recalibrated for that
    Change the injectors. Need the PCM recalibrated for that
    CAI. Need the PCM recalibrated for that
    Port the heads. That gives you nothin
    Corsa. Hmmmm
    Remove BTM (Brake Torque Management) Need the PCM recalibrated for that
    Reset the Stoich for E10. This is a huge gain. Need the PCM recalibrated for that
    Change the PE delay. Need the PCM recalibrated for that

    Lets see. Nothin with out me and I am to tiered to do it any more.

    I tried to give out some info, but I haven't heard back
    Tired my ass, wait till you see what I got for you to work on!!!

  15. #14
    codewize's Avatar
    codewize is offline Cadillac Owners Master
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    Re: Ways to increase performance?

    According to tests performed around here there is no increased air flow. The factory and most other panel filters already flow far more air than the N* can swallow so there's no point.

    If it didn't look so cool I'd take my Volant box off and put the factory intake back on but it's really a clean look and less under hood clutter with the Volant.

    The Volant intake and Corsa exhaust are both GM approved and will not void any warranties or anything like that.

    AJ; I'm willing to listen and I will put some faith in the Corsa, I dropped .2 sec off my ET compared to a previous run. Some of that may be me, the car or whatever but after the Corsa went on I ran the best times yet.

    Do I need to get a new PCM from you calibrated with the most recent knowledge? Talk to me, call me if you have to. I want 14's damn it.

    Quote Originally Posted by Skiller. View Post
    Really? Wow, I've never heard of that.. So I'm guessing with the increased air flow comes the increased dirt flow?
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  16. #15
    ponyboyt is offline Cadillac Owners Enthusiast
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    Re: Ways to increase performance?

    actualy ive wondered a bit myself about the stock filter/breather since i've had a good look at it. Seems the intake air passes right over and through the PCM box. Just how hot does that PCM shell get? Does it heat the intake air? is it supposed to heat the air? I always thought cold air was a good thing?

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