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Thread: engine tourq specs and clearances

  1. #1
    Senior Member EXPERT BUILDER
    Join Date
    Dec 2002
    spring creek nv.

    engine tourq specs and clearances

    freshing up friends imca engine for him[runs on alcohol]355sbc..has eagle crank and eagle "h" rods with the arp rod bolts[43??]the block is chevy but has after market sprayed main caps in middle..believe to be arp bolts also;;cast aftermarket heads with arp head bolts;;
    what i need
    rod bolt torq
    main cap torq
    head bolt torq
    main bearing clearance recomended;;min-max;;
    rod bearing clearance recomended;;min-max;;

  2. #2
    Senior Member RACING JUNKIE
    Join Date
    Jan 2006
    Hey Hotrod haven't seen you around for a while. First thing i would do is replace the rod bolts with new ones, prefrebably with ARP 2000's or L19's. The torgue specs on these bolts would be 65/70lbs with Zinc type lubericant, the head studs would be 65lbs with Zinc type lubericant. The mains would be 65 lbs center and 45 lbs outer with zinc lubericant. Both rods and mains clearace at .0025/.003 runing 20/50 oil. No less than .002 on any of the rods and mains.



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