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LS3 Trans Am

This is a discussion on LS3 Trans Am within the LS2/LS3/LS4/LSx forums, part of the Vehicle Specific category; Alright. After countless numbers of choices...ive finally come to a conclusion im going with the LS376 Hot Cam from SDPC. ...

  1. #1
    Impounded
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    LS3 Trans Am

    Alright. After countless numbers of choices...ive finally come to a conclusion
    im going with the LS376 Hot Cam from SDPC. 480 HP
    of course...some parts are needed to get this baby to work with the LS1 platform...

    SDPC LS376
    http://sdparts.com/details/gm-perfor...parts/19171224

    Injector adapters to mate the stock ls1 harness to the ls3 injectors
    http://store.katechengines.com/injec...r-kit-p23.aspx

    Cam & Knock sensor extension harness
    http://store.katechengines.com/cam--...rness-p18.aspx

    Map sensor extension harness
    http://store.katechengines.com/map-s...rness-p19.aspx

    Conversion Box 58x-24x
    http://www.lingenfelter.com/mm5/merc...ow=&range_high

    All install and tuning will be done by Gread Tuning in Corydon, IN

    ****************************
    additions:
    Thunder Racing
    -Racetronix Basic Fuel Pump System with Wiring

    SDPC
    -Billet 90mm LS2 Cable Throttle Body
    -TB Bracket
    -L92 Water Pump
    -L92 Oil Pan Gasket
    -LS Balencer Bolt
    -Oil Pump Pick Up Tube O-Ring


    total should be around $7783+ the cost of shipping and other necessities

    should be in by the end of august
    Last edited by BashamWS6; 01-18-2011 at 08:18 PM.

  2. #2
    Senior Member redbird555's Avatar
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    2002 Camaro Z/28 Pewter

    sjould have said it in the other thread i musta forgot but yes all you bolt ons pieces willl work with the ls3.

  3. #3
    Senior Member redbird555's Avatar
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    2002 Camaro Z/28 Pewter

    heres something i found read the whole article it is your exact swap so it should help a lot http://www.gmhightechperformance.com...wap/index.html

  4. #4
    Member youngrigo's Avatar
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    Black
    2000 SS

    Yes, your exhuast will work with the LS3
    1967 Camaro - LS1 T56 project
    2003 Z06 - Procharged and LTs
    2001 Honda Civic EX - DD
    2005 Kawaski KFX400
    2000 Camaro SS m6 - 523rwhp 468rwtq - (Sold)

  5. #5
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    haha awesome thanks buds

  6. #6
    Moderator 35th-ANV-SS's Avatar
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    02 35th LE Camaro SS

    You have like 10 threads talking about the same things now

    Good luck!

  7. #7
    The Demon Demon_Z28's Avatar
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    Bright Rally Red
    2001 Camaro SS

    I'd do 1 7/8ths headers.

  8. #8
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    Quote Originally Posted by Demon_Z28 View Post
    I'd do 1 7/8ths headers.
    thats what i got. 1 7/8 Kooks LTs with ORY and Loudmouth II

    ill be stopping by GREAD tuning to finalize a price quote and let them take a look at the car.
    looks like SDPC offers a few more parts needed for the conversion.

    that GMHighTech link really helped. even gave the part numbers too!

  9. #9
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    Quote Originally Posted by SkypeGod View Post
    I have a similar situation. Can be discussed.
    http://www.gmhightechperformance.com...wap/index.html

    read this it works

  10. #10
    Senior Member redbird555's Avatar
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    2002 Camaro Z/28 Pewter

    heres part 2 of the article with the install http://www.gmhightechperformance.com.../photo_39.html

  11. #11
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    looks like my 1/4 mile times will actaully be worse until i get a rear, tranny, clutch and tires to get this power to the ground

    :make it rain:

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    Senior Member redbird555's Avatar
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    2002 Camaro Z/28 Pewter

    getting the power to the ground should be no problem with slicks its doing reliably time and time again that becomes an issue lol

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    Quote Originally Posted by redbird555 View Post
    getting the power to the ground should be no problem with slicks its doing reliably time and time again that becomes an issue lol
    yeah. 434 is a nice number. haha.

  14. #14
    The Bandit Wesman's Avatar
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    1998 Trans Am WS6

    Awesome project, I would love to do this swap in my car.

    Can't wait to see it in progress and completed.

  15. #15
    your parts guy!!! 1fastcamarosss11's Avatar
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    trans am 00 ws6
    1998 camaro ss vert

    so you will have over 10k into this for 480hp?

    i just think there are plenty of other options for the same goal, and saving a bunch of money.
    Last edited by 1fastcamarosss11; 01-25-2011 at 01:34 PM.

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    Veteran Hi-Po's Avatar
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    Quote Originally Posted by 1fastcamarosss11 View Post
    so you will have over 10k into this for 480hp?

    i just think there are plenty of other options for the same goal, and saving a bunch of money.
    My thoughts exactly.

  17. #17
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    Yeah umm. Ive got this reaction alot. And a few guys on here has been tossing me options. Many say ls6...a few bolt ons cams and heads and id be over that 430hp that the ls3 dyno'd at...
    A few others say ls2... 6.0L larger displacement...
    I say...fml

  18. #18
    The Bandit Wesman's Avatar
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    Quote Originally Posted by 1fastcamarosss11 View Post
    so you will have over 10k into this for 480hp?

    i just think there are plenty of other options for the same goal, and saving a bunch of money.
    But how man of those options give you stock driveability, stock fuel economy, and a warranty on the entire engine??

    The answer is none.

  19. #19
    Veteran Hi-Po's Avatar
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    Quote Originally Posted by Wesman View Post
    But how man of those options give you stock driveability, stock fuel economy, and a warranty on the entire engine??

    The answer is none.
    I saw no requirement that the OP posted saying he needed a warranty or stock (LS3) fuel economy. Driveabilty can very easily be had with a larger engine, proper camshaft, and the correct tune, so I won't even hit on that.

    Larger displacement does not have to equal poor driveability.

    What I was getting at, for the same price, you could reach a much higher power level for equal or less money. If your that worried about fuel economy, stop modding past intakes and suspension. Toughen up. Were talking power here, not averages groceries delivered per tank of gas.

  20. #20
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    warranty would be nice. but most new engines would have a warranty.
    i have a ls2 vs ls6 battle going on in another thread.
    this is the just of it....

    Swap list: LS6
    well the reason i want a full assymbled engine is so that i get the ls6 intake, better fuel injectors, and all new coils, etc. etc.
    SDPC sells the LS6 for $5890 +s/h
    Use ls1 tb/intake---comes with LS6 intake
    ls1 oil pan/pickup
    *thats it install and plug in then tune
    _____________________________________
    Swap List ls2
    The LS2 i found at rapid motorsports for $5899
    use ls1 tb/intake---comes with the composite intake
    knock sensor harness--$60 from SDPC
    cam sensor harness--^^^comes with knock sensor
    ls1 oilpan/pickup
    *07-up ls2 will require 58x conversion---$255 from Lingenfelter if necessary

    so it is only a $315 difference. but as Frost said. they dyno with lesser numbers
    found a fast 90/90 set up too for $1430. thatll give me well over 400rwhp with my exhaust, lid and tune..

    and id still be getting 15+mpg
    gas...ehh its a sports car...but is nice to make it thru the week on full tank. i mean im getting around 20mpg with my stock ls1
    ls6 should get around the same and the ls2...id loose a little there upgrading to the 6.0

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