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Blocks - Variant Vs Mains

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  • Blocks - Variant Vs Mains

    Hello,

    Could someone educate me on our 4.3 blocks?
    I know our blocks come with "2 bolt variants" and "2 bolt mains". . .
    Can our blocks be upgraded to like a "4 bolt variant" similar to "4 bolt main"?

    Thanks in advance!
    ZavTy547
    ty 547, mccoy cam, lb4s w/big valves, garrett gt4088 dbb.turbo, 38mm ext gate, 60lb inj, alky, code 59, plx 02, custom dig.dash, 2 step, custom a/a, 3" dp/rpm catback, blt tranny w/2800 stall, dual fans, z51 brakes, magnesium.17" whls.

  • #2
    Sir,
    Not sure if they ever made a cast, stepped register conventional/straight four bolt main Chevy block? I would have to check most guys just use the splayed billet caps. I also would think that if you put straight caps on a block it would be prone to crack in the main web area in the cutout section. If you have a block laying around flip it over and you will see what I am talking about. I am out of town right now PM me your number and I will give you a call to talk it over.
    Thanks,
    Bob

    Comment


    • #3
      Sir,
      Not sure if they ever made a cast, stepped register conventional/straight four bolt main Chevy block? I would have to check most guys just use the splayed billet caps. I also would think that if you put straight caps on a block it would be prone to crack in the main web area in the cutout section. If you have a block laying around flip it over and you will see what I am talking about. I am out of town right now PM me your number and I will give you a call to talk it over.
      Thanks,
      Bob

      Comment


      • #4
        Sir,
        Not sure if they ever made a cast, stepped register conventional/straight four bolt main Chevy block? I would have to check most guys just use the splayed billet caps. I also would think that if you put straight caps on a block it would be prone to crack in the main web area in the cutout section. If you have a block laying around flip it over and you will see what I am talking about. I am out of town right now PM me your number and I will give you a call to talk it over.
        Thanks,
        Bob

        Comment


        • #5
          Sir,
          Not sure if they ever made a cast, stepped register conventional/straight four bolt main Chevy block? I would have to check most guys just use the splayed billet caps. I also would think that if you put straight caps on a block it would be prone to crack in the main web area in the cutout section. If you have a block laying around flip it over and you will see what I am talking about. I am out of town right now PM me your number and I will give you a call to talk it over.
          Thanks,
          Bob

          Comment


          • #6
            Sir,
            Not sure if they ever made a cast, stepped register conventional/straight four bolt main Chevy block? I would have to check most guys just use the splayed billet caps. I also would think that if you put straight caps on a block it would be prone to crack in the main web area in the cutout section. If you have a block laying around flip it over and you will see what I am talking about. I am out of town right now PM me your number and I will give you a call to talk it over.
            Thanks,
            Bob

            Comment

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