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  1. 11-18-2008, 01:53 PM #1
    matt333cars
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    Red
    2000 WS6 Ram Air

    Cyl head part number

    I have a 2000 T/A with "patriot heads". I believe them to be GM. The casting number on the pass front head is 243. Help!
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  2. 11-18-2008, 05:25 PM #2
    ls1camino
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    2000 Grand Prix GTP
    2000 Trans Am WS6 M6

    LS6 heads I believe
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  3. 11-18-2008, 08:51 PM #3
    chieftransam
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    Blue
    2001 Pontiac Trans Am M6

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    that's the same style heads that I have on my car.
    Patriot Stage II-59cc | little cam-230/234 .612/.598 112 | Hooker LT's l Custom Y-w/cats l Moser 12 l LCA l SFC l STB l K&N l 160 thermo l SLP ud pulley- l SLP linelock l PRO 5.0 l
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  4. 11-18-2008, 11:25 PM #4
    mark21742
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    hugger orange
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    if I pickup a set of stock 243 heads and port and polish them myself.....ive done old cast iron small block heads and some honda heads, so I have some experience.
    by doing it myself could I get a noticable gain and open them up enough to work good with a decent lift cam around 230 duration?
    I can get stock heads for about $100 and do the hand work myself instead of dropping $1000 for an aftermarket set
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  5. 11-24-2008, 09:19 AM #5
    SOMbitch
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    SOM
    1998 T.A.

    243's = LS6 heads. 241's are the later model LS1 heads

    243>241
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  6. 11-24-2008, 11:55 AM #6
    matt333cars
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    Red
    2000 WS6 Ram Air

    Thanks, previous owner was scammed by a garage that installed them!
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  7. 11-24-2008, 04:38 PM #7
    blk_jaws
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    Black on Black
    2000 Trans Am M6

    you definately want the 243's
    SLP LT's, SLP High Flow Cats, 3" Flowmaster CB, Comp Cam, SLP Lid, LS6 Intake, BBK 80mm TB, SFC, Ram Air HO Hood, Lowered, Torq Thrust II's
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  8. 11-24-2008, 07:11 PM #8
    side2000
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    red
    2000 camaro ss

    Quote Originally Posted by matt333cars View Post
    I have a 2000 T/A with "patriot heads". I believe them to be GM. The casting number on the pass front head is 243. Help!
    243 is ls6 for sure.
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  9. 11-27-2008, 05:57 PM #9
    blackbirdbrain89
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    black trans am
    2000

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    yeap just looked it up the 243 heads are zo6 heads with 210 intake 75 ex 64.45 cc ComChamber yealds 10.5 com on a ls1
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  10. 11-28-2008, 05:45 AM #10
    matt333cars
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    Red
    2000 WS6 Ram Air

    Thanks, I really appreciate the response.
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