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LS/VTEC or GSR?

Discussion in 'General Tech and Maintenance' started by Riceras, Feb 3, 2005.

  1. Riceras

    Riceras Senior Member

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    $2200 - Full Swap Package (axles,mounts, shift linkage)

    www.hmotorsonline.com

    In order to do LS/VTEC a few things are needed to do it First

    $150 P30 Pistons w/rings
    $150 B-Series DOHC VTEC Dizzy
    $100 ECU that matches my OBD (P72)
    $60 GSR Water Pump
    $60 GSR Oil Pump
    $60 GSR Timing Belt
    $150 ARP Head Bolt Set (B18C1)
    $200 Golden Eagle MFG VTEC Conversion Kit!!

    PLUS THE COST OF THE HEAD!!!! <$500

    Equals $1430!!! :( :( :( :(

    Why not just pay $1100 More and Get the GSR Full Swap!!!!! What makes LS/VTEC Worth doing I just dont understand it please Explain!
     
  2. projectxspeed

    projectxspeed Senior Member

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    The benifit of the LS/vtec is that make the same hp, but it makes more torque vs. the b18c1.
     
  3. formby

    formby learning in progress

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    its all up to each individual....when i built my lsv; i already had an ls block so it was a no brainer.....in your case....buy an ls change over then later buy the vtec head..and other shit...thats what im doing for my 99 cx lst then lsvt......
     
  4. Riceras

    Riceras Senior Member

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    The Reason It doesnt make much sense in my eyes is the fact that you take a bigger risk when changing all the Internals like pistons, Timing belt, Head, You just have to also calculate in the price of labor for doing the LS swap then doing the VTEC head swap!!@!@!@!

    There are just so many ups and downs to both you know what i mean
     
  5. formby

    formby learning in progress

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    yeah, but youll have a fresh motor usually with all oem parts.......it cost me aprox.....1.2k to do my lsv plus 450 for the 99 si head......its worth it
     
  6. shadowracer95

    shadowracer95 Member

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    isn't there also a rod bolt issue when reving an LS block to vtec rpms? I thought I read that somewhere and they recomended switching to ARP rod bolts in the LS rods. Some please correct me if I'm wrong
     
  7. formby

    formby learning in progress

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    yes thats true...its the least i would do to the bottom end.......
     
  8. projectxspeed

    projectxspeed Senior Member

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    The issue is that the LS engine wasn't design to the tolerances of the GSR. If you rev your LS/vtec like a GSR you will have issues, unless you build it up. But if you stay within a 6.8K redline then you do not need to rebuild your bottom end.

    *Note most stockish engine stop making power before the redline. Each car is going to be different, but lets use my integra LS as an example. The redline starts at 6.8K, but my more stops making power at 6.2K. So there is no point going over 6.2K revs in my car.

    PS If you want futher explanion PM and I will share my dino graph and more details
     
  9. formby

    formby learning in progress

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    i would assume that the ls bottom end has nothing to do with the power curve because the cams in the head is how the motor breaths....meaning use the red line of the head you have....... not from the block....and lets not start this rod/stroke ratio bull shit......i have an lsv and only used arp rod bolts/head studs...i use a pr3 ecu and rev the motor to 8k almost on a daily basis....no problems. its all on how you build the motor.........
     
  10. brc80

    brc80 Senior Member

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    My .02 an Ls/Vtec is only worth is if you have either the block or the head already, if not just get the gsr.
     
  11. formby

    formby learning in progress

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  12. sihatchback_RL

    sihatchback_RL Senior Member

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    with all that money going into the LSVTEC, you could have a mildly built GSR already. Look around, there are reasonable prices. I bought mine for 1400 longblock+ecu+Axles+mounts. Try to find a JDM as it has a higher compresion of 10.6 compared to the US 10 flat.
     
  13. formby

    formby learning in progress

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    no way you're wrong.......... an lsv with pr3 pistons and a b16 head...against a mildly built gsr.....the lsv will take it....if in the same car with same clutch same driver and tranny.......thats why people build the lsv....... bottom line
     
  14. projectxspeed

    projectxspeed Senior Member

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  15. formby

    formby learning in progress

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  16. pills_PMD

    pills_PMD Super Moderator

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    i agree... i did a dyno day w/ 3 del sols a few summers ago... the guy with the gsr made like 165/125 to my 184/138.5... his disadvantage was low compression pistons.. as he was mid-turbo build. my web page also has a list of what was modified in the del sol. it was mildly built.. pr3 pistons / CTR cams etc. mainly OEM stuff and hondata

    http://www.hondaswap.com/~pills/lsvtecdyno.html
     
  17. david_jones001

    david_jones001 Senior Member

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    I have drivin a GSR and it does not compare to my LSVTEC setup, if you are gonna crack open the bottom end, i sugest you replace the rods anyways, and if done right, the LSVTEC will rule all
     
  18. beerbongskickass

    beerbongskickass Senior Member

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    The b18c1/5 are probably the best motors honda ever made. Go with the GSR if you can get one for a good price.
     
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