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4.25 Stroke Crank for Gen VI?

Discussion in 'The Garage' started by willyswanter, Oct 18, 2005.

  1. willyswanter

    willyswanter 1/2 ton status GMOTM Winner

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    Anyone have any clues on where to find a 4.25" stroke BBC crank for a Gen VI 1 piece rear seal block?
     
  2. ryan22re

    ryan22re 1/2 ton status

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    not really what you asked for, but the 8.1's have a 4.37 inch stroke crank.

    ryan
     
  3. MoonMan

    MoonMan Registered Member

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    A quick search of Summit yielded this beauty
    ESP-54544250. :dunno:
     
  4. jays68yak

    jays68yak 1/2 ton status

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    umm what do you have up your sleeve? Spare BB going into the race truck? :D

    Or are you stroking the crew cab? :eek1:
     
  5. willyswanter

    willyswanter 1/2 ton status GMOTM Winner

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    ;)

    The message you have entered is too short. Please lengthen your message to at least 3 characters.
     
  6. jays68yak

    jays68yak 1/2 ton status

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    just cuz I step up the power in bonzai, you think you need to follow suit? :bow:
     
  7. willyswanter

    willyswanter 1/2 ton status GMOTM Winner

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    :D

    I'm still researching to find if I can stroke it to 496 and be smog legal... More cubes means more fuel which means more emissions but we'll see.
     
  8. jays68yak

    jays68yak 1/2 ton status

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    I just dont see how you dont get pulled over. Im scared of driving mine around the block to get gas.

    If you bored it, wouldnt it be around 496? So if you bored it and stroked it shouldnt it be more?
     
  9. jays68yak

    jays68yak 1/2 ton status

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  10. 83ZZ502_Jimmy

    83ZZ502_Jimmy 1/2 ton status

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    No, stock bore is 4.25. Stock stroke is 4.00 :)

    John
     
  11. willyswanter

    willyswanter 1/2 ton status GMOTM Winner

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    454's are 4" stroke and a 4.25" crank with a .060" overbore is a 496. I've got a fully forged 496 sitting in the garage but no way it will pass smog...
     
  12. jays68yak

    jays68yak 1/2 ton status

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  13. thor

    thor 1/2 ton status

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    I have a 540 based on a gen6 502 block. When I put it together I couldn't get a 4340 stroker crank for the one piece seal, so I ended up using an adapter. I wasn't really happy about it at the time but it works well and locates easily in these blocks...
     
  14. dodgedude99

    dodgedude99 1/2 ton status

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    no to highjack, but what do you do for a dipstick for the gen 6 blocks. is there a special one to use or something?

    every dipstick i buy for a BBC isnt long enough to register, and i have 6 qts of oil in the pan.
     
  15. willyswanter

    willyswanter 1/2 ton status GMOTM Winner

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    I just use the one that came with it...
     
  16. Drey

    Drey 3/4 ton status

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    Whoa Whoa...the crew cab is still smog and street legal???
     
  17. willyswanter

    willyswanter 1/2 ton status GMOTM Winner

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    Of course it is, even has A/C and CD still ;) Someone stole my radio antennae though :mad:
     
  18. dodgedude99

    dodgedude99 1/2 ton status

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    GMPP crate motor, not dipstick included.
    but you think for $5000 it should.
     

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