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  1. D

    Poly 318 4bbl conversion goes splat

    I gave up on the 4bbl swap and put it back to stock. Still a pretty lame powerplant but it seems to run a little better and should work until i can replace it with something better.
  2. D

    Poly 318 4bbl conversion goes splat

    The engine swap is a long way down the road. Hence why I just want the damn thing to run and drive until then. I don't have money at this time to throw at shotgunning another carb at this car, nor do I have it at this Second for a motor swap either. To me, the Poly blows chunks. Eventually...
  3. D

    Poly 318 4bbl conversion goes splat

    It looks like at this time the stock setup is what's best. I don't have the spare cash to shot gun another carb at it for grins, when my existing carb is tuned and jetted correctly for my car. Plugs look good, vacuum is good...nothing wrong with that carb. An engine doesn't know what carb is...
  4. D

    Poly 318 4bbl conversion goes splat

    This is likely what I will do. I just want the car to run well until I can afford an engine swap in the future. Not a fan of this poly boat anchor at all.
  5. D

    Poly 318 4bbl conversion goes splat

    I cant/won't get rid of the carb, because I can't afford to fling more parts at this car. I have to work with what I have. The exhaust was enlarged, again, because that's what "everyone else does/recommends".
  6. D

    Poly 318 4bbl conversion goes splat

    I'm not sure when exactly it came out. I was told it came off a '61 but I'm not positive.
  7. D

    Poly 318 4bbl conversion goes splat

    Agreed. If I do put the 4bbl setup back on, I will order up that spacer or something like it.
  8. D

    Poly 318 4bbl conversion goes splat

    From the pictures it kinda looks like that might be the ticket to at least getting the carb on to the manifold correctly. Whether it would fix any of the issues would be the real question.
  9. D

    Poly 318 4bbl conversion goes splat

    I already had an edelbrock carb on this exact engine in the beginning right when I put the manifold on, and it didn't line up with anything. The bolt holes lined up, but the butterflies did not. It was a square bore carb and neither the primary nor secondary butterflies were able to open. It was...
  10. D

    Poly 318 4bbl conversion goes splat

    So here are some pictures of my setup. It's far from ideal but it's all I could come up with at the time. Pretty willing to bet my flow is severely impeded!
  11. D

    Poly 318 4bbl conversion goes splat

    The holley has to stay at least for now. I'm not an edelbrock fan at all, nor do I have money to buy another carb right now. Never had any luck with them for anything other than a door stop. The carb spacer is probably hurting things more than helping them. The intake's carb flange looks to be...
  12. D

    Poly 318 4bbl conversion goes splat

    I more or less went off of the reading I had done that said the swap would work on a stock engine. Hell my old 72 318 woke up nicely with just an intake and carb swap so I kinda figured the same would apply here. Guess not. I don't have the funds to tear down the motor and buy a custom cam. If...
  13. D

    Poly 318 4bbl conversion goes splat

    The carb spacer I'm running is an open one, but I'm only using it because the carb flange on the manifold is TINY. Even the 600cfm edelbrock I ran on it for a bit was too big to bolt on to the flange and the butterflies were spaced too far apart. I'll grab a picture or two when I get home to...
  14. D

    Poly 318 4bbl conversion goes splat

    I have not done any currently. I just have the intake off to address an oil leak at the front seal. I can check it hopefully sometime next week. We only honed the cylinders and replaced the rings, so honestly I don't expect there to be much improvement.
  15. D

    Poly 318 4bbl conversion goes splat

    I suppose anything is possible. Most afterbirth parts available these days are so-so at best it seems.
  16. D

    Poly 318 4bbl conversion goes splat

    No it has not been changed. I couldn't afford to have mine sent out to be reground when I refreshed the engine so it was cleaned up and re-installed as-is. I've seen reference to the fact that 4bbl cams were larger in terms of lift and duration, but I'm not sure exactly how much larger they...
  17. D

    Poly 318 4bbl conversion goes splat

    At this point I dont think I could agree more!
  18. D

    Poly 318 4bbl conversion goes splat

    I did not. I simply installed the timing chain dot to dot like the factory had done.
  19. D

    Poly 318 4bbl conversion goes splat

    That is sweet! Someday mine will be the same...some day...
  20. D

    Poly 318 4bbl conversion goes splat

    For a short while I had an edelbrock 600 or 650 on it, but I can't say I noticed a difference between that and what I have now. Most online calculators say for a 318 that I shouldn't need more than 400cfm or so for a street car or even 500cfm for a race car. I'm open to try anything, but looking...
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