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Phantomarine

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  • Location
    Grants Pass, OR
  • Cars
    620 pickup
  • Interests
    Restore

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  1. Phantomarine

    V6 swap

    I was told, to boost the L20B I can put a Nap Z 2.2 head on it. Can anyone give me an idea how far I need to for that and if anyone has a Nap Z head for sale?
  2. Phantomarine

    V6 swap

    I ran all my knowledge with this based on what the seller told me. Now that I'm getting things cleaned up and can see more for myself. I have found that the block is an L20B, the head is is a U67 with 1 crack between the valves in #3 and 60% of the smog has been wrongly removed. The exhaust manifold is chalky white at #3.
  3. Phantomarine

    V6 swap

    Well I finally got through all the caked on oil. I do have the L20 block and a straight edge show's the top of the block is level and square. Mike do you think there is a chance to save the block? Just replace the head and manifolds?
  4. Phantomarine

    V6 swap

    I'm just concerned of getting too financially deep with this engine to find out I could have gone a cheap way.
  5. Phantomarine

    V6 swap

    I am strapped for cash and have access to the 6 and the boxer, they are in my possession. Friend say they have them and we're willing to give them to me. I just bought my '74 620, the head is cracked in 6 places between cylinders 2 and 3. The exhaust is white from overheating. With these signs, I'm not sure how much of the engine I can trust. I only considered the other engines cuz they were offered to me for free. I had already planned on rebuilding the one I got, if I got it. If there is a chance to salvage the stock engine, that is what I truly want. I was told it is an L18, but not certain. The U67 head is no good with all the cracks.I know where to get replacement part for the engine and had planned to rebuild it if it is not a total loss.
  6. Phantomarine

    V6 swap

    OK Mike, what are you thoughts of a subaru boxer engine with the stock 5 speed? I have the V6 and the boxer lying around. Since the L18 block is toast, but the rest of the truck is save able. I'm trying to find a stronger yet reliable engine to fit in with the stock powertrain.
  7. Phantomarine

    V6 swap

    Just getting back into the datsun world. I have a '74 620. The L18 is totally distroyed. I have '84 Chevy 2.8 V6. Does anyone know of a way to match it up with the stock 5 speed in the 620?
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