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b20vtec

Discussion in 'Engine Building' started by gomes, Mar 17, 2006.

  1. gomes

    gomes Junior Member

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    hy guys i`m going to build a b20vtec i`ve got rid of the b20a4 and there is a b20b or z on its way and a typ r tranny. I want to do the wild setup for evrything. well if you do it you better do it good right?
    but i don`t know where to find evrything. where can i get the 95 mm crank?

    a lot of parts are going to be suplied by my tuner so i don`t have to worry about the pistons what are going to be JE, rods from carson, fuelpomp of a accord,injectors of corrado g60, and a full race intake mainfold

    just got to beat those integra`s at the races
    [​IMG] [​IMG]
     
  2. gomes

    gomes Junior Member

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    from witch typ or brand is the 95mm crank in the colum wild block setup in the article ls/vtec?
     
  3. 94_gs-r

    94_gs-r can you say 260 whp N/A??

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    quick question since your doing a similar swap. i have a 94 gs-r should i punch the block out to a 2.0L and rebuild the head or go with the B20Z2 block with rebuilt gs-r head. im going for N/A, and advise would help thanks
     
  4. gomes

    gomes Junior Member

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    i think the b20z2 will be better but thats just my opinion
     
  5. 94_gs-r

    94_gs-r can you say 260 whp N/A??

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    how difficult are the modifications to fit the gsr head to the B20Z2 block and for motor mounts, if i were to do it myself how much do you think it will cost me.
    i heard with that swap it will give me 190 ft lbs of torque @ 7000rpm
    220 hp @8000
    does that sound right?
     
  6. gomes

    gomes Junior Member

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    the modifications on the head you can find them in the ls/vtec article

    easyest is a golden eagle vtec conversion kit and you have to relocate the dowel pins to the oposit side

    and about the mounts i`m don`t know that yet

    hope this help
     
  7. VTECPOWER

    VTECPOWER Senior Member

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    I don't know where you getting those kind of numbers.
    Maybe more like
    190hp
    135 trq, 190? not in a honda. (n/a that is)
     
  8. 94_gs-r

    94_gs-r can you say 260 whp N/A??

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    so having the b20 block really wont make much of a differance then... it maybe adds 10hp.. and basically no trq
     
  9. VTECPOWER

    VTECPOWER Senior Member

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    I'm talking numbers to the wheel, not fly.
    ANd are you kidding me?
    You probably pick up like 15 wheel trq.
    It's more the trq than hp for the bottom end.
     
  10. gomes

    gomes Junior Member

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    well my tuner here in holland says with all the components build on the wild setup i could get 200whp easy and torque will be monstres
    and i think he`s right but we will se wen its finished and have been dynoed
     
  11. MikeBergy

    MikeBergy Blah blah blah....

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    Build the gsr. Hands down the better block. Sleeve it bore it it to 84 or 85mm, and call it good. If you are cheap, then get the b20b/z block, don't sleeve, and tune your max power to be at a lower rpm, as it is more resistant to revving than the gsr, and you can utilize the torque advantage it will have over the gsr block to make the power at lower engine speeds. Definitely keep the gsr head, I don't know if you were planning on getting rid of it, but keep use it.
     
  12. gomes

    gomes Junior Member

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    but if the b20b/z is better resistance to reving and has better torque at the lower rpm what makes the gsr better ? why not sleeve the b20 and stroke it to 95mm what is the disadvance in that setup? i`m trying to get a powerfull engine that takeout all of the cars at the 1/4 mile that are n/a so i thought that the wild setup for everything on the b20 would be best but i could be wrong. All help is greatly apriciated thanks
     
  13. erebunicrx

    erebunicrx my name is Dale

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    seems to me you have alot of money to put into the motor. but having more tq at the drag strip or for the 1/4 mile is not always that important. its not like you need that much midrage, espacialy when you have a short geared tranny. tq is great if you need power to get out of a corner or from a mid rpm pull.
     
  14. SlushboxTeggy

    SlushboxTeggy It's only stupid if it doesn't work VIP

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    b20b/z cannot rev as high as a gsr because it wasnt built to, but because its a 2.0 instead of a 1.8 it does have more torque. if it was me i would rebuild the b20 bottom so that it could rev like a gsr, get some high comp pistons, possibly sleeve it but for NA i think a DIY block fill would be more than enough, build the head, get a nice tune, and call it a day. and if your really serious about NA i would make myself some homemade ITBs with CBR 954s or even 1000s if you could find a set.

    imo thats an expensive way to go slow though. but im also probably the only guy here that loves turbos and also has never owned one. but thats a monetary thing.
     
  15. MikeBergy

    MikeBergy Blah blah blah....

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    Lots of people on here love turbos and don't own one. Lot of people here also love NA. I recommend the gsr block because it was built to rev higher. It's good because you have a more useful revrange, and keep in mind that the fast your engine revs, the more combustion you are going to have give a certain time, i.e. more horsepower with less displacement. That's what honda is pretty much all about. You can build either the b20 or the b18c and effectively run the same amount of power, but the b20 is going to operating at a lower engine speed, thats all. I'd do the gsr block, because it was an engine with performance in mind from the factory: better revvability, block girdle, oil squiters. There is just going to be a lot less stress on the gsr block than the b20 at higher engine speeds. I am not saying the b20 isn't doable, because it is easily doable, it's just that the gsr starts out with more advantages. If you build them, both will be very capable. If you don't want to do a whole lot to the bottom end, the gsr is better bang for the buck. My .02, take it as you will.
     
  16. SlushboxTeggy

    SlushboxTeggy It's only stupid if it doesn't work VIP

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    i agree with that. if you dont want to put that much into it, go with the gsr. the b20 is pretty much only alot of potential in stock form.
     
  17. 94_gs-r

    94_gs-r can you say 260 whp N/A??

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    hey thanks for all the help guys. i think ill just keep the gs-r block and sleeve it to a 2.0 and put an eagle stroker kit in it that has a crank shaft 6lbs lighter. i am building for 1/4 mile so the trq from that block should be enough, i may also think about going turbo... something about it spooling up in my gsr gives me a warm fuzzy feeling inside haha
     
  18. gomes

    gomes Junior Member

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    yeah thanks alot guys but i`m going to stay with the b20 i think for normal road use it it will have more comfort
    and it will be a monter engine one of the best here in holland
     
  19. gomes

    gomes Junior Member

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    witch axles would fit under my civic coupe `98 should i go with th gsr or would type r be better?
     
  20. gomes

    gomes Junior Member

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    they talk about a deckplate what do they mean with that?is it somthing thats got to be custom made?
     
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