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  1. fez440

    Avs2 650 tuning on a 340

    Yes it does. I understand it much better now. Thanks
  2. fez440

    Avs2 650 tuning on a 340

    I did the piston stop procedure today. Started at number 1 and tdc at 10 degree after then rotated around and it stopped at 10 degrees before. So I say 0 is correct. 1st time doing that. Good procedure to known. Thanks for sharing The Mark's on the left were from this procedure Also went...
  3. fez440

    Avs2 650 tuning on a 340

    Thanks for the reply. Yes I checked float height . It is set to factory specs. I did run it out of the box. Stock calibration was very rich
  4. fez440

    Avs2 650 tuning on a 340

    I'm not sure what you mean here. I'm trying to do everything I can that is being recommended to me. I'm still learning. I never said I won't use a piston stop. Just dont have 1 at the moment. I'll be looking into checking over the timing this week hopfully and will report back. Had to order it...
  5. fez440

    Avs2 650 tuning on a 340

    I have tried hooking up the vaccum advance with 0 changes to the issue I am having
  6. fez440

    Avs2 650 tuning on a 340

    Sorry no disrespect but I dont agree. I am not soley looking at the gauge but using it as another reference tool. When the engine hesitates under slight load and the gauge shows a lean condition I feel like that is only helping determine the issue.
  7. fez440

    Avs2 650 tuning on a 340

    I checked timing. Hopfully you can help me out if this sounds correct. Bumped engine till it pushed my finger off #1 spark plug hole. Moved balance to line up Mark's ( groove in blancer lined up to 0 on tab. Rotor is pointing just past #1 plug. Less than half way to #8 I don't have a piston...
  8. fez440

    Avs2 650 tuning on a 340

    Compression is 10.5 : 1 Cylinder psi range from 158 to 162
  9. fez440

    Avs2 650 tuning on a 340

    Ok thanks for the idea. I will try verifying tdc again just to be sure.
  10. fez440

    Avs2 650 tuning on a 340

    Yes Plus engine was build but a professional shop and he marked the balancer for me
  11. fez440

    Avs2 650 tuning on a 340

    Yes but the starter doesnt seem to like it. Maybe I'm wrong but at a lower initial timing it starts better when warm. Had it at 22 to 24 initial and the starter would kick back when warm. So I put it back to 18. Even with the added initial timing it made no change to my air fuel while...
  12. fez440

    Avs2 650 tuning on a 340

    I'll look into doing this. Thanks for the idea
  13. fez440

    Avs2 650 tuning on a 340

    Yes it was. Was at 750 before but rpm will keep increasing if I keep adding more timing
  14. fez440

    Avs2 650 tuning on a 340

    It's a rev n nator They say Q: Do you recommend Vacuum Advance? A: No We do not recommend vacuum advance, but in some applications it's fine. You need to take the time to make adjustments to your distributor, if needed. The reason we do not like vacuum advance is because our box has a digital...
  15. fez440

    Avs2 650 tuning on a 340

    Distributor does have a vacuum can. I dont use per recommendation on ignition company. Fuel psi is at 5.5 at idle
  16. fez440

    Avs2 650 tuning on a 340

    I have tried a larger squirter but that did not help. Went to rich. Also have tried the stronger accelerator pump from the 800 carb. Right now with the top shot and .031 squirted it seems ok. I can see the rich blip on the af gauge. I appreciate your reply. I will look into changing the...
  17. fez440

    Avs2 650 tuning on a 340

    I tried what you said today. Warmed it up to 180 played with the timing Went to 24 intial 35 total. 800 rpm idling at around 13.8:1 afr. Measured transfer slot was just above square at about .037 showing under throttle blade. No gain in vacuum still sitting at 10" Starter not happy with that...
  18. fez440

    Avs2 650 tuning on a 340

    I'll try doing this again this weekend. I am already at 18 initial not sure how much more I can go buy I'll try.Thanks for the tip
  19. fez440

    Avs2 650 tuning on a 340

    Thanks for the reply. I will keep it in mind. I am trying to find another carb to try.
  20. fez440

    Avs2 650 tuning on a 340

    I do not know anyone else with a carb that I can borrow. Yes I know thet would be a great way to test out stuff. No vaccum advance. Total right now is 32. I have been trying between 32 and 38 total. Total comes in around 2800 I believe. I wouldn't think a 650 is to small. Based on the carb...
  21. fez440

    Avs2 650 tuning on a 340

    Rear gear is 3:55. If I bump up the initial timing anymore the starter doesnt seem to like it.
  22. fez440

    Avs2 650 tuning on a 340

    I am using 2 blue springs in the distributor. Fuel filter is clean. I checked. Issue is not when shifting but at a steady increase in acceleration. I can see the pump shot richen the mixer based on my af gauge. I believe it's not that It happens when you have a steady increase in acceleration...
  23. fez440

    Avs2 650 tuning on a 340

    Hi. I am looking for help with my edelbrock avs2 650 carb. The engine is a 340 4 speed mildly modified. Air gap intake,aluminum heads, headers, comp cam 231 duration. 480 lift. Vacuum at idle is 10" cruise 15". Timing is set at 18 initial and 32 total. I have tried different timing spots From...
  24. fez440

    Anyone try Thompson powerblast plate

    Just wondering when will you be dyno testing this month? Very curious to see how these work. Please post results :)
  25. fez440

    AVS2 compared to Street Demon?

    Used a avs2 650 on a 340. Ran perfectly out of the box. I would recommend it for a street car
  26. fez440

    Source for large capacity A-body Gas tank?

    old topic but i just saw it and have to say this is a very good idea. looks like it works perfect for mini tubbed cars that want a stockish looking appearance. would like to see more photos of how it looks from the back. is the tank very noticeable?
  27. fez440

    How to add a larger tube or sump an OE gas tank

    did you shorten the tank yourself? whats the process in doing that?
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