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  1. 11-01-2016, 06:41 AM #1
    Cjsmithws6
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    Heads not stamped

    I'm currently working on a 00 corvette. Looked where the head is usually stamped. It's blank. Is this normal for a corvette.
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  2. 11-01-2016, 06:56 AM #2
    SMWS6TA
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    Navy Blue Metallic
    98 T/A w/ mods, 00 FBVert

    NO....

    For factory heads there should be a stamp on the left side of the head as you look at it. Does it look grind off?


    May be aftermarket....
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  3. 11-01-2016, 09:27 AM #3
    Cjsmithws6
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    No. just missing it's weird.
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  4. 11-03-2016, 07:23 AM #4
    Cjsmithws6
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    Actually the more I look at it the right head is grinder of smooth. The left head says 853. Weird.
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  5. 11-03-2016, 08:18 AM #5
    SMWS6TA
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    Navy Blue Metallic
    98 T/A w/ mods, 00 FBVert

    Sounds like someone was trying to pass the heads off as something else.
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  6. 11-03-2016, 08:19 AM #6
    Cjsmithws6
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    That's what I was thinking.
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  7. 11-03-2016, 08:22 AM #7
    SMWS6TA
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    Navy Blue Metallic
    98 T/A w/ mods, 00 FBVert

    I take it you are not the single owner?
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  8. 11-03-2016, 04:52 PM #8
    sjgreen6
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    Navy Blue
    2002 Trans Am WS6 Conv

    853 was used on different LS1 applications from 99-04. Could very well be the original heads.
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  9. 11-03-2016, 05:09 PM #9
    SMWS6TA
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    Navy Blue Metallic
    98 T/A w/ mods, 00 FBVert

    Heads not stamped

    853's were also on 97-98 LS1's

    99 < the went with 241's for f bodies and 243's for LS6 (Vettes) & LS2's (Vettes & GTO's)
    http://www.ls1.com/forums/f7/my-6-liter-build-174257/

    http://www.ls1.com/forums/f8/my-8-8-rear-build-165553/

    6.0L Block - Forged 403ci , Polluter Stg3 Cam, FAST 102mm Intake, NW102 TB, MSD wires, NGK TR6 plugs, Truck Coil Packs, LS3 Fuel Injectors, CC Pacesetter LT Headers, TS&P ORY, QTP e-Cutout, Magnaflow Muffler, 104mm Air Lid & Line Lock, Catch Can, Stage 2 T56 w/Viper shaft, PRO 5.0 Shifter, Tick MC, SPEC Stg3+ Clutch, QT SFI BH, MWC DSL, Full UMI Performance Suspension, Belstein Shocks, Hotchkis Springs (1" Drop), YR1 Snowflake Wheels wrapped in NT555 tires & Custom Fab Ford 8.8 rear w/Wavetrac Diff 3.73 Yukon Gears, WSQ Hood, 3"CM Strange Eng Drive Shaft.

    00 FB Vert - Stock

    78 FB - Just getting started......

    Horsepower never lies, but is often lied about!
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  10. 11-03-2016, 05:23 PM #10
    SMWS6TA
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    Navy Blue Metallic
    98 T/A w/ mods, 00 FBVert

    Quote Originally Posted by SMWS6TA View Post
    853's were also on 97-98 LS1's

    99 < the went with 241's for f bodies and 243's for LS6 (Vettes) & LS2's (Vettes & GTO's)
    Sorry got my heads mixed up. 806 were for 97-98 LS1's.

    853's are the truck version of 241's for those yrs.
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  11. 11-05-2016, 03:32 AM #11
    Cjsmithws6
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    It was just a car I worked on. The right head stamp was grinder off the left was still stamped.
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