What block to start with??? - Reply to Topic

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Topic Review (Newest First)

  • 02-28-2008, 01:48 AM
    DJD
    Quote Originally Posted by Red Rocket View Post
    I have a Bow-tie CNC block 4.600 bore short deck, billet splayed main caps, .904 bushed lifters, 2.125 cam tunnel, never damaged ready to run at this bore. I am selling it for $2500
    Mike i may know someone that wants that block call me.
  • 02-26-2008, 09:10 PM
    Red Rocket
    I have a Bow-tie CNC block 4.600 bore short deck, billet splayed main caps, .904 bushed lifters, 2.125 cam tunnel, never damaged ready to run at this bore. I am selling it for $2500
  • 02-26-2008, 06:40 PM
    JohnnyNitrous
    Thanks for your input guys.
  • 02-26-2008, 05:36 PM
    Fiat48
    Cstraub may have a deal. Check with him.
  • 02-26-2008, 01:19 PM
    JohnnyNitrous
    I think they are about 2200-2500 for a new one. Summit Racing has them as well as Jeg's. Could always try and find a good used one though.
  • 02-26-2008, 12:05 PM
    Hallettbutt
    I agree, studs are the way to go, whatever the application.

    Here's the scenerio- much like Johnny, I'm looking to put together a blower motor but for river use in a full size 21 v drive cruiser. I have a stock bore 454 4bolt in the shed for the day I decide to go for it. For what guys are paying for these 4 bolt blocks I could see ponying up the extra coin for a Dart, but how much more are we looking at?
  • 02-26-2008, 11:04 AM
    Fiat48
    Yes...especially blown. Better clamping force. Head studs are different lengths for different heads....so you will want to wait till you know what heads you are going to run.
  • 02-26-2008, 10:52 AM
    JohnnyNitrous
    Dart it is. Should I go with head studs as well? Is there much advantage there?
  • 02-26-2008, 09:40 AM
    Fiat48
    Dart cam bearing bores are all the same size unlike the BBC. So you have to use Darts cam bearings or use 3 sets of BBC cam bearings to make a set.
    The soft plugs are different size than the BBC but no big deal there.
    You have to use a head bolt kit from Dart or ARP for the extra head bolts in the valley.
    Summers gear drives won't bolt to the Dart's block face....either don't use summers drives or modify the drive to fit.
    Otherwise all Mark IV fits.
    It's a far superior block to the Chevrolet in structure and oiling. It's the way to go if you have the coin.
  • 02-26-2008, 07:24 AM
    Hallettbutt
    What are the additional expenses by going with a Dart block in terms of special heads and parts?
  • 02-26-2008, 01:47 AM
    Hondog
    Use the Dart if you can swing the coin. One of the biggest advantages with the siamesed cylinders is you have a block for life. Will take many over bores before maxed out. My 02.
  • 02-25-2008, 12:33 PM
    ovrkll77
    i would use a dart block
  • 02-24-2008, 09:12 PM
    JohnnyNitrous

    What block to start with???

    I want to start building a blown BBC. What is a good block to start with? Is a normal chevy 4-bolt ok up to 800-850hp? Dart block?

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