PRI 2017: World Products Replacement 8.1L Vortec Block

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  • Опубліковано 12 гру 2024

КОМЕНТАРІ • 24

  • @lilysmith7810
    @lilysmith7810 6 років тому +18

    Dart makes this block along with iron heads and a stroker crank. It would be nice to see someone come out with better heads, more options than raylar would be nice.

  • @toyota-dx7ff
    @toyota-dx7ff 6 років тому +21

    Considering my 8.1 has 460xxx miles on it, I'd say they got it right from the start.

    • @MrTheHillfolk
      @MrTheHillfolk 6 років тому +1

      1988toyota
      I see shitloads in generators.
      They used em all thru the 2000s in quite a few different manufacturers gen sets.
      Fast forward to now , and they turbo a 350 chev to replace the 8.1 for up to a 100kw gen.

    • @Nothingtoya
      @Nothingtoya 4 роки тому +4

      Mine is about to roll over too 300,000. I did have a problem with lifters about 50,000 miles ago. So I replaced the lifters with some aftermarket ones and I replaced the push rods with 1 piece push rods. A buddy of mine finally spun a bearing in his at 530,000 miles.

  • @michaelmcneal6175
    @michaelmcneal6175 6 років тому +15

    I own a 2001 Chevy Silverado 2500 HD that has to 8.1 496 big block with 153493 miles .. this is one badass truck with a badass motor. I will never change anything about it it's got the power I want the pulling power to tell him shower I couldn't ask for a better truck and I only paid $1,200 for the truck.

    • @Nothingtoya
      @Nothingtoya 4 роки тому +2

      Shit, its hardly broken in yet. I absolutely love my 01 2500hd with the 8.1 and Allison transmission.

    • @Lonelydad2
      @Lonelydad2 2 роки тому

      Should single turbo 8 psi kit over 800 torque reliably

  • @Sonicdude10
    @Sonicdude10 7 років тому +17

    It seems the legendary Chevrolet 632 is reborn. Let me break it down.
    The siamese version supports up to 4.6" bore.
    Raylabs has a 4.75" stroker kit.
    Combine these 2 together and according to my math you get a 631.52" engine.
    Same bore and stroke as old school 632" BBC. This will be the new age 632" BBC.
    Throw a supercharger or some turbos on and look out world. Hell, make it a superturbo.

    • @shyecjj
      @shyecjj 6 років тому +1

      Be insane torque right off throttle however the RPMs would have to be low (not that ,thats a real issue) be around 4k maybe redline probably at that kind of bore/stroke combo.

    • @walliehart2055
      @walliehart2055 6 років тому +1

      Built heavily enough with all forged internals a forged balancer on the front, extra heavy duty fly weel. Bring tourq up then put 1 or 2 throttle bodies or 2 small ( very) small 4 barrels. This engine made from high quality casting could out do a 7.4 . Almost put it on road Tractor. I'm going for this engine on my haul truck. So is a split rear end. I hear good time can be made in fly over America. Trasport. Just for myself. 😁

    • @K-Effect
      @K-Effect 2 роки тому

      @@walliehart2055 If you’re looking to get fuel mileage, make a custom intake manifold adapter and install a quality lawnmower carburetor. The main thing would be to increase the jet size and reduced the fuel pressure, also probably have to make some custom linkage

  • @slowpoke96Z28
    @slowpoke96Z28 6 років тому +4

    I've been waiting to see an aftermarket for this engine.

  • @justinrussell7605
    @justinrussell7605 2 роки тому

    I ha e been wanting to get an 8.1 to put in my truck for a long time now

  • @slowpoke96Z28
    @slowpoke96Z28 6 років тому +1

    Still a 4.84" bore spacing?

  • @Miccio1
    @Miccio1 7 років тому +9

    Yeah, make the background music louder.

  • @themrjones
    @themrjones 7 років тому +4

    8.1 turbo......... Sold.

  • @joe0909
    @joe0909 5 років тому +2

    Alright we have the block now where the hell are the other Components. Cams heads lifters pistons ect!!!!

  • @johncunningham60
    @johncunningham60 5 років тому +8

    kinda stupid video...........they keep showing cyl heads!
    Not showing any real details of the block

  • @vincentenk4449
    @vincentenk4449 6 років тому

    Bring back the Hemi & you'll have my respect!

    • @brandedmcgowan9414
      @brandedmcgowan9414 4 роки тому

      It's been brought back in 2003-04.....lol just kidding the modern ones are not real Hemis since their heads are flatter. I take both the modern hemi and LS over the modular.

  • @Joe_Blow215
    @Joe_Blow215 3 роки тому

    You lost me at "motor"