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Newbie...cracked b20b now ls please help

Discussion in 'Engine Building' started by kidn1980, Nov 6, 2012.

  1. kidn1980

    kidn1980 New Member

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    Hello peeps this is my deal trying to keep this short, i have a boosted b20b vtec with gsr (p72-2) head. long story short i removed my head and found 2 cracks in my b20b block. since then i have bought 2 ls blocks to make one (spun rod in one). Since i have these blocks and need to remove the crank from one, i think i am going to micro polish and shot peen that one. As for the rods and pistons i have the stock ones but i was thinking about some aftermarket ones but which are good. Also will my gsr head work with ls block REMEMBER this car is boosted. Should i throw a block guard on as well. Now a little about car i received on trade. I am also trying to stick with most i can or have already:

    skunk2 intake manifold
    450cc inj
    b16 tranny
    drag ex man w/ 50 trim turbo
    blox 68mm
    RIV tuned on chrome ecu
    2bar map
    rebuilding gsr head

    if there is anything else you pros need to know please feel free to ask. thanks
     
  2. Briansol

    Briansol Admins Admin VIP

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    ls/b20 blocks are basically the same as far as makig it work with a vtec head. so eveyrthing you've done prior should just bolt right on/copy over. I would highly recommend doing some rods. eagle h-beams are cheap and will support that power level well.
    block guards are a scam, avoid.
    i wouldn't bother with the crank.... stock is more than enough.

    ultimately, you will need to re-tune. no 2 setups are the same, and that is the one thing that will keep you from blowing up or spinning bearings again.
     
  3. kidn1980

    kidn1980 New Member

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    first off thank you B, the only one to respond

    so what kind of piston or should i stay with stock.

    what about oil /water pump should i take off b20 and or what.
     
  4. newb

    newb phresh VIP

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    Look at CP for pistons. Or JE.

    For pumps, if you have the funds and availability, look for VTEC pieces.
     
  5. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    All current revision B series pumps are the same, VTEC/R/whatever.
     
  6. newb

    newb phresh VIP

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    Didnt know that. Thanks for the info.
     
  7. kidn1980

    kidn1980 New Member

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    replace oil/water pump since block is out
     
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