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Stroker

Discussion in 'Race 400/430/455' started by skylarkman13, Nov 28, 2008.

Page 3 of 4
  1. Thumper (aka greatscat)

    Thumper (aka greatscat) Well-Known Member

    I think you'll hemorage too much oil with .020-.025,I run all ours at .013-.015
    gary
     
    Thumper (aka greatscat), Dec 22, 2008
    #41
  2. Doug Ray

    Doug Ray Well-Known Member

    So...tighter is better???
     
    Doug Ray, Dec 22, 2008
    #42
  3. Thumper (aka greatscat)

    Thumper (aka greatscat) Well-Known Member

    Tighter?thats what I always liked....Oops your talkin rods.
    Yeah ,but not too tight either,stock spec is .005-.012,but for performance a little looser is desired.
    gary
     
    Thumper (aka greatscat), Dec 22, 2008
    #43
  4. Doug Ray

    Doug Ray Well-Known Member

    quote=greatscat;1321609]Tighter?thats what I always liked....Oops your talkin rods.
    Yeah ,but not too tight either,stock spec is .005-.012,but for performance a little looser is desired.
    gary[/quote]
    :beer To tighter!!! Thanks.
     
    Doug Ray, Dec 22, 2008
    #44
  5. Dubuick

    Dubuick CMDR Racer

    Thanks my car is coming around it is a simple setup 464 stock rods, crank , no girdle stage 2 heads 508s cam spx intake , ladder bar rear coil overs coan converter. i have been running the car with this motor for 6 years now just over 500 passes on it .I pull it apart every 100 passes and check it out..looking to build something bigger Would like to run 9.50's to run a heads up class but not sure what i wan to build....thanks for the kind words:beer
     
    Dubuick, Dec 22, 2008
    #45
  6. Dubuick

    Dubuick CMDR Racer

    External balance
     
    Dubuick, Dec 23, 2008
    #46
  7. Doug Ray

    Doug Ray Well-Known Member

    I just finished my engine. again!
    73 Century GVWR 5421:
    50 stroke on the crank
    Scat BBC rods
    4.350 bore
    22cc dish pistons @ 5 in the hole
    69cc heads heavily ported
    Howards Camshaft:
    512 lift on 1.6 rockers
    Duration @ 50 is 230
    Lobe lift - 320
    L/S - 110
    HEI distributor with MSD conversion
    T/A SPX intake, ported
    950 Holley HP, 150 shot NOS
    Hooker Super Comps, 3" exhaust
    TCI 10" converter, TH400 xtra clutch pack, kit
    8.50 rear, 373 posi
    My goal is to dip into the 11's. Hopefully I'm heading in the right direction.
    Doug
     
    Doug Ray, Jan 2, 2009
    #47
  8. Thumper (aka greatscat)

    Thumper (aka greatscat) Well-Known Member

    11's? Easy with that combo.
     
    Thumper (aka greatscat), Jan 2, 2009
    #48
  9. stg1dom

    stg1dom Well-Known Member

    What size journal would be a SBC large journal be, 2.125?
     
    stg1dom, Jan 2, 2009
    #49
  10. Doug Ray

    Doug Ray Well-Known Member

    Thanks, I hope you're right! and if it don't,,,,I will spray it more:bla:
     
    Doug Ray, Jan 5, 2009
    #50
  11. skylarkman13

    skylarkman13 Well-Known Member

    Is it bad to off set grind you crank to use BBC rods? Its seems like people talk about it not being a good deal. Any reasons? Thanks Gary
     
    skylarkman13, Jan 15, 2009
    #51
  12. Thumper (aka greatscat)

    Thumper (aka greatscat) Well-Known Member

    I can't think of any reasons not to,BBC rods are less expensive and you get more cubes,make sure the filets on the crank are properly done and your good to go.done lots of motors with this combo.The CSB large journal rods are also a good choice,482 and still a stronger choice because the crank isn't turned as much as a 494.
    gary
     
    Thumper (aka greatscat), Jan 15, 2009
    #52
  13. skylarkman13

    skylarkman13 Well-Known Member

    Thats what I was thinking, More cubes, Cheaper stronger rods, And the crank is stronger that with the 494, It sounded like a win win to me, Thanks Gary
     
    skylarkman13, Jan 15, 2009
    #53
  14. skylarkman13

    skylarkman13 Well-Known Member

    How many cubes can you get useing BBC rods? Also how much do you have to take of the crank? Thanks Gary
     
    skylarkman13, Jan 15, 2009
    #54
  15. Thumper (aka greatscat)

    Thumper (aka greatscat) Well-Known Member

    Your at 470 + depending on your overbore.The BBC is 2.20
     
    Thumper (aka greatscat), Jan 15, 2009
    #55
  16. verruckt

    verruckt Nitromethane addict

    Is the thickness of the chebbie small and big block rods, the same as the big block buick rods? So as far as machining goes, I would really just need to have my crank offset ground to the bbc journal diameter, and the radius matched. Is this a process where it's best to send crank/rods/rod bearings to the machine shop so everything can be checked? Might as well have it all balanced too I guess.

    While you're in there... :Dou:
     
    verruckt, Jan 15, 2009
    #56
  17. skylarkman13

    skylarkman13 Well-Known Member

    You guys were saying that if you stoke your crank you should girdle it, If you girdle it and fill it how much horsepower can the block take? Thanks Gary
     
    skylarkman13, Jan 17, 2009
    #57
  18. staged67gspwr

    staged67gspwr "The Black Widow"

    I dont have a girdle on my 494,but mostly street driven.


    Thanks
     
    staged67gspwr, Jan 17, 2009
    #58
  19. Thumper (aka greatscat)

    Thumper (aka greatscat) Well-Known Member

    750hp +.Our strokers are all 720plus,but we "stop" em back for bracket racing
    gary
     
    Thumper (aka greatscat), Jan 17, 2009
    #59
  20. skylarkman13

    skylarkman13 Well-Known Member

    750 is about it on the block?
     
    skylarkman13, Jan 17, 2009
    #60
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