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b18a guts into b18c

Discussion in 'Engine Building' started by josh_crewdson@y, Apr 21, 2011.

  1. josh_crewdson@y

    josh_crewdson@y New Member

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    Will b18a internals fit a b18c1 block? (crank and main bearings)
     
  2. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    Yup. That's how I built what was essentially a B20/VTEC inside of a GSR block. I used an 89mm stroke crank in the B18C block. Bearings are interchangeable between B blocks.

    Sent from my SPH-D700 using Forum Runner
     
  3. Magana559

    Magana559 The Warden

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    Works great but you lose revs, unless you use forged internals.

    B20 vtec with gsr crank torque and revs!
     
  4. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    No, you can replace rod bolts with ARP fasteners to keep things together. Proven to work up through 8000rpm with no issues.
     
  5. josh_crewdson@y

    josh_crewdson@y New Member

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    probably using eagle h-beams, it will be revved to 9k occasionally...
     
  6. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    For about the same amount of cash you could pick up a set of Probe Ultralite I beams. They'll hold upwards of 600hp, but weigh a lot less, giving you more free revving capability and more torque to the wheels since you're moving less engine mass.
     
  7. josh_crewdson@y

    josh_crewdson@y New Member

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    well i picked up the b18c1 block today, only thing that wasn't in it was the crank, rods, and pistons. bores just need a hone. got it for $70.. not bad i guess.
     
  8. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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  9. josh_crewdson@y

    josh_crewdson@y New Member

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    damnit... the block didnt come with piston squirters. anybody got some they arent using? honda wants 11 for the squirter, and 16 for the bolt.
     
  10. Magana559

    Magana559 The Warden

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    I have arp rod bolts. We only rev to 7800 on stock ls rods.

    With the gsr crank and rods we go untill the motor stops making power or up to 9500
    Which ever comes first.

    With valve train
     
    Last edited: Apr 25, 2011
  11. Magana559

    Magana559 The Warden

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    Just plug em up you will have a bit better oil pressure
     
  12. B16

    B16 Super Moderator VIP

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    You only want to plug them if you're running forged pistons right?
     
  13. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    Ok.

    Yup.

    I never had one with squirters- but always ran forged pistons.
     
  14. B16

    B16 Super Moderator VIP

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    I guess people run B20's with those RS machine cast itr type pistons and it has no squirters. High revving, might want to get some anyways. However, I believe they need to be modified to work with the b18a/b crank/rods.
     
  15. josh_crewdson@y

    josh_crewdson@y New Member

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    i have forged pistons in my b16 with no interference problems. i got the block because i wanted the squirters, and so i dont have to run oil lines/adapters for vtec. i had an ls block already, i just figured it'd be less trouble with a vtec block.
    plus, you gotta love the sexxy girdle, and the squirters probably keep the pistons cooler.
     
  16. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    My problem is that my piston skirts kept knocking off my squirters, so I blocked them off.
     
  17. josh_crewdson@y

    josh_crewdson@y New Member

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    what size bolt did you use to block them with?

    I just picked up a gsr p&p head...
    it has J P and a number after it stamped on it, anbody ever seen or knows who's stamp this is? pnp looks excellent, just trying to put a name behind it..
     
  18. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    Not sure- got the block offs from Endyn. Never checked the thread size.
     
  19. josh_crewdson@y

    josh_crewdson@y New Member

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  20. josh_crewdson@y

    josh_crewdson@y New Member

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    also, anybody know the deck heights on the b18a block vs the b18c1 block?
     
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