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Dart 205 Heads

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  1. #1
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    Dart 205 Heads

    Dart 205 heads with 10K miles on them. Never raced or tracked. Heads were disassembled when new and the ports were sanded to remove the casting lines and the chambers were smoothed.

    Since I removed them in November 2008, they have had the following work done to them.

    1. Full disassembly and the ports were cleaned by hand (no large power tools or chemical tanking).
    2. The valves have been ultrasonically cleaned to new condition.
    3. Once all parts received their initial cleaning, the guides were hand washed, lubed and all valves were lapped using fine lapping compound.
    4. Once lapped, the heads were checked for flatness and cleaned a final time.
    5. The valves were ultrasonically cleaned a 2nd time to prior to assembly.
    6. The heads were re-assembled measuring installed height of each valve spring (installed heights are below)


    These heads should be ready to install straight out of the box when you receive them.

    I am also including a set of Denso Iridium IK-20 gasket spark plugs. If you check the price on these they are $11.99 apiece new.

    Price: $995 plus shipping if paying by postal money order for the heads including the plugs. Paypal add 3%.

    Here is a listing of parts that comprise these heads:

    62 cc Combustion Chamber

    Valves – The valves are REV part no. CL-1170 (intake) and CL-1168 (exhaust).

    “REV CL Series valves are one piece forged, swirl polished and have hard chromed stems. A special solution style heat treat process is used for this line of valves to maintain a consistent grain flow in the material for unsurpassed ductility, longevity and reliability.”

    Valve Springs – PSI1511 beehive valve springs




    Valve spring locks – Machined/hardened

    Retainers – Titanium manufactured by Trick Titanium (they make the retainers for Comp as well)

    Shims - Comp Cams

    Valve Seals – U.S. Seal (same manufacturer as GM OEM)


    Valve Spring Installed Heights



    Photos of bare heads cleaned through final assembly.












  2. #2
    Just a slow Camaro KING Z28 HAWK's Avatar
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    DAM! I wish I had the money! Heres a free bumb for you.

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    Member devildogws6's Avatar
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    Black
    2000 trans am ws6

    how much better are these than stock 243's??

  4. #4
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    Quote Originally Posted by devildogws6 View Post
    how much better are these than stock 243's??
    I honestly don't know and wouldn't want to make an inaccurate estimate.

  5. #5
    Member devildogws6's Avatar
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    2000 trans am ws6

    gotcha lol,

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    TTT for a new day

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    Member side2000's Avatar
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    red
    2000 camaro ss

    factory ls6 castings flow 275 cfm @ .550, these flow 290. also have same comp ratio as ls6 castings. fair upgrade for a 346, especially w/ bigger valves. (dunno what's done to these didn't take time to read completely)

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    Quote Originally Posted by side2000 View Post
    factory ls6 castings flow 275 cfm @ .550, these flow 290. also have same comp ratio as ls6 castings. fair upgrade for a 346, especially w/ bigger valves. (dunno what's done to these didn't take time to read completely)
    Higher compression. LS6 are 64cc chamber, these are 62cc. These also don't go turbulent, unlike LS6.

  9. #9
    Member side2000's Avatar
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    red
    2000 camaro ss

    i thoguht they were 64.5? my mistake.

  10. #10
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    Quote Originally Posted by side2000 View Post
    i thoguht they were 64.5? my mistake.
    The Darts are delivered as 62 cc which is a nice advantage because you don't need to mill to get the chamber size down, unless of course you want it smaller than the 62 cc.

  11. #11
    Member side2000's Avatar
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    red
    2000 camaro ss

    well the fact they come w/ 62's is really nice, i'm not much a fan of altering precisely designed combustion chambers if i dont have to.

  12. #12
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    Up to the top

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    SOLD

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