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  1. 6

    New rebuilt 383 hp block

    Thanks, but I know about header bolts and yes I use studs on the ends, I have taken header bolts out 4 different times, cleaned them and reinstalled them using RTV silicone sealer, Do you think since I doubled up header gasket it could be causing leak, I used same of driver side head, double...
  3. 6

    New rebuilt 383 hp block

    Just had 1968 383hp block rebuilt, I believe head gasket is leaking, my first question is does the head bolts us any sealer on them or are they just installed dry???? with no sealer. There is no anti-freeze in oil, Anti-freeze is leaking out between head and block under # 4 & 6 exhaust header...
  4. 6

    building a 383 help!

    I'm just hoping 400-house on 30-over 383 rebuild just completed, .484-lift comp-cam with TRW pistons and reworked 906 heads with new everything and new Eldebrock air-gap intake and rebuild 750 Holley and new MSD read-to-run distributor and coil
  5. 6

    Needing engine info

    Have 1968-383 block with .30 over flat-tops with 906-heads, bottom end is good BUT TOP END NEEDS replaced, I need a good Cam replacement, car is a 66 Belvedere II and used just for street but would like a nice cam .484 or 509 lift maybe, I'm not running power breaks so that is not an issue, I'm...
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