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Performance parts = horsepower

This is a discussion on Performance parts = horsepower within the External Engine forums, part of the LSx Technical Help Section category; who can do a tune for me? And how much would it cost? I havent had one before....

  1. #21
    Member blk_jaws's Avatar
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    who can do a tune for me? And how much would it cost? I havent had one before.

  2. #22
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    1998 Pontiac Trans Am

    Three options. You buy a tuning program like HpTuners and a lap top and do it yourself....find a shop that has tuning capabilities for an ls1....or find a person near you that has tuning software and is willing to help you out. Price depends on the shop. The shop thats the closest to me charges $500 for a basic tune, but if I were to do ANYTHING else to my car he would retune the car a mere $100. Just call around to various shops and get some quotes.

  3. #23
    Member blk_jaws's Avatar
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    I live in a very small town. The only places are like goodyear and a couple of muffler shops. Also would Long Tube Headers make the car any louder?

  4. #24
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    You'll probably have to travel a bit for a tune.

    Yes...they make the car louder.

  5. #25
    Member blk_jaws's Avatar
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    Will a muffler shop put on headers for me. Like midas, if they will how long should it take, I dont want to get screwed in the price of labor?

  6. #26
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    No harm in asking them. But honestly...the install isnt that bad.

  7. #27
    Member blk_jaws's Avatar
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    Would I need a new y pipe? If I used pace setter long tubes?

  8. #28
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    Yes.

  9. #29
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    primer
    1973 Camaro

    I don't have all of the mods listed but my results to date are as follows:
    Stock 295 rwhp
    SLP Lid, Hooker Catback and TB Bypass + 325 rwhp
    Have installed SLP U/D pully and today Supermaxx LTs will post results next week.

  10. #30
    member since may 2000 nhraformula's Avatar
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    Quote Originally Posted by goose_von
    I have a a4
    get a stall converter before anything else.
    no other performance add on outside of N20 is a better pick up in performance.
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

  11. #31
    I like the way yew tawlk. Ric's Avatar
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    2000 T/A WS6

    Agreed. go with a 3200-3600 stall, 3.73s(they will actually lose power on a dyno, but the track doesn't lie... you WILL be quicker), and maybe some LCA lowering brackets to help wedge the tires under the car on launch. Also, some SFCs(subframe connectors) will keep the car rigid, helping to hook up better still... it's not just making power that counts, it's getting it to the pavement, too.

    Add an underdrive pulley/new belts to your list. Stay away from SLP LTs. And look into a true dual setup if you want the Blowmaster sound AND power... that's why other cars make more power with them... there's TWO of'em. And GM didn't do too shabby on their OEM catback either, so that too is why Chokemaster doesn't help these cars out a whole lot.

    Good for probably 360ish to the wheels with a good tune, which should put you in the low 12s should you ever race on a track.

  12. #32
    Member blk_jaws's Avatar
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    Where can I get a stall converter?

  13. #33
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    hmmm i wonder why horsepower tv puts flowmaster on everything?????

    oh yeah maybe it's because they are their sponsers

    ditch the slowmasters and get some true duals if you really want your car to sound good

    EDIT:

    and do the header install yourself...it wont take much time and you will learn a lot in the process...if you dont have the parts well buy em it will cost less than what a shop will charge to put em on...the best part of building a car is actually working on it not shelling out money to other people to do it for you
    Last edited by skywalkrNCSU; 12-17-2005 at 09:19 PM.

  14. #34
    member since may 2000 nhraformula's Avatar
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    Quote Originally Posted by goose_von
    Where can I get a stall converter?
    any of the sponsors here.
    i got mine from speed inc
    www.ls1speed.com

  15. #35
    delinquent543
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    ok, if u want mean, get slp loudmouth (either lm or lmII: II is slightly (slightly) more tame sounding). loudmouth is what u want if u want to piss your neighbors off (combine those with headers and ull piss off ur neighbors 2 cities away..) Some people say it sounds raspy with tons of drone, but there are no two ways around it, its loud... If u want that old school 70's raw horsepower sound, get a set of true duals from texas speed (400 shipped though they dump before the axle), those sound mean and infinatly better than flowmaster (not to mention netting you more hp..) a dyno tune would net you about 20 more hp with those headers..

  16. #36
    Slow'er'Ass Mr. Luos's Avatar
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    I got rid of my loudmouth after I did headers. Sounded like crap.
    2008 Trailblazer SS
    Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
    Lowered, HID's, tinted.

    1999 Pontiac Trans Am WS.6 #1747 SOLD
    531.1 RWHP 481.3 FT/Pounds all motor.

  17. #37
    Member 01mmmz28's Avatar
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    maroon
    2001 Z28

    you will not net 60+ hp on those mods.

    Lid----------5-7 hp
    LT headers--15-20hp
    TB----------7-10hp
    maf---------2-5hp
    catback(FM)-7-10hp

    I did most of the mods you listed, exept I have mac mid lenth header, mac catted y pipe, SLP loudmouth, Zo6 maf, SLP lid, K&N filter, and now my cam. stock dyno was 301 rwhp, after just the bolt-ons I did 349.9rwhp sae corrected. so basically I gained 48 hp. I just dont see 60+ hp out of what you listed. If you like the sound of the blowmaster exhaust, go w/ it, it's your car man, if you want better numbers go w/ a different catback.....Loudmouth, magnaflow, borla, TSP rumbler, hooker,........there are alot to choose from. I have yet to dyno after the cam swap.

  18. #38
    member since may 2000 nhraformula's Avatar
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    Quote Originally Posted by 01mmmz28
    you will not net 60+ hp on those mods.

    Lid----------5-7 hp
    LT headers--15-20hp
    TB----------7-10hp
    maf---------2-5hp
    catback(FM)-7-10hp

    I did most of the mods you listed, exept I have mac mid lenth header, mac catted y pipe, SLP loudmouth, Zo6 maf, SLP lid, K&N filter, and now my cam. stock dyno was 301 rwhp, after just the bolt-ons I did 349.9rwhp sae corrected. so basically I gained 48 hp. I just dont see 60+ hp out of what you listed. If you like the sound of the blowmaster exhaust, go w/ it, it's your car man, if you want better numbers go w/ a different catback.....Loudmouth, magnaflow, borla, TSP rumbler, hooker,........there are alot to choose from. I have yet to dyno after the cam swap.
    with long tubes and a basic tune i gained 30 rwhp. macs and catted y pipe wont gain as much as LTs and ORP.

  19. #39
    delinquent543
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    Quote Originally Posted by Mr. Luos
    I got rid of my loudmouth after I did headers. Sounded like crap.
    define crap?

  20. #40
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    There was no depth to it. Raspy as hell.
    Sounded fine under 2500 RPM's.
    Although I am not sure if it had a lot to do with the cats and the SLP headers. It seemed to have a decent amount of rasp with just an open y-pipe as well.
    At this point I have changed everything.

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