Timing question

Discussion in 'Mech Tech' started by the bugcatcher, May 4, 2013.

  1. New engine in and sounding sweet, however seems quite hot after test run
    Engine has been static timed only , would advancing or retarding help with cooler running .
    No strobe available at the moment .Or is this to risky without a strobe ?
     
  2. imo, yes strobe timing is the way to go ,and by altering timing it will effect the heating/cooling,, I would not risk running mine had I not strobed it and knew it was as close to spot on as I could get, I have set timing by ear simply to start a vehicle ,but no ,to running it .
     
  3. Its been timed static ,but not on the advance curve.
     
  4. don't drive it until you have strobed it...

    Even static timing can be 5 to 10° out either way!!
     
  5. OK cheers , second question ,is a DIY hometune kind of strode any good, the rolling road is 45mins drive away ?
    need to get the van there somehow
     
  6. As always mate its a "your call" situation , my own (71 ancient) bus is as basic as they come so I have I reckon a greater margin of error allowed , my own timing is not set as per spec book(s) I got so screwed off trying to establish which timing mark was the applicable one ,I done the"John Muir suggested way " which is , set it ,run it, do oil dipstick test ,readjust as I feel ,run it do dipstick test.....until by my opinion/experience its as sweet as I reckon its going to be >X of going on a rolling road. if as you say ,you have dropped a new lump in,if it were mine I would be treating it like a new born, I would have to strobe to check/re assure myself.
     
  7. Ive the most basic accuspark one and it works fine
     
  8. Dont you need to read the RPM's to set the timming at 3000 ?
     
  9. Thanks , i think this would be a worthwhile investment.
     

  10. you just rev the engine until it stops advancing... you won't need to take it to 3000rpm to hit full advance!! :)
     
  11. Would i be right in thinking the timing should be 33 deg at full advance ?
     
  12. A bit mutch,,,,28 would do fine
     
  13. Thanks , no camping this weekend i guess :(
     
  14. Not strictly true Theres always the tent i suppose
     
  15. What have you static timed it to?
     
  16. What should the timing be set at idle
    1641 ,009 dist and twin carbs ?
     
  17. Baysearcher

    Baysearcher [secret moderator]

    T1 stock =
    7.5 BTDC at idle with vac pipe disconnected and plugged.
    28-30 at max advance
     

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