164 carb tuning

Triple-S · May 13th, 2018, 13:35

I admit to being a bit thick re accurate carb tuning, and I certainly don't have any instrumentation for precise work. However the auto car I'm currently working on has proved very reluctant to run unless perpetually fed with a high octane aerosol. It runs fine but as soon as blipped or I stop spraying it dies.
I set it up exactly as my Haynes manual (fully in then both back 2 turns of the idling screws, then throttle stop screws forward 1 turn from cam plate) but no difference.
The car last ran in winter: I know the fuel pump is OK as it has a new one that's pumping well. I also completely stripped and cleaned the carbs, so my thoughts - could the fuel have lost most of its octane over winter? I know it did run last year, as the previous owner had a video of it running. However, his mechanic did say it didn't run well at all - any ideas please.

P

May 13th, 2018, 13:35	#1
Triple-S How Old? Last Online: May 31st, 2021 12:28 Join Date: Oct 2006 Location: redhill	164 carb tuning I admit to being a bit thick re accurate carb tuning, and I certainly don't have any instrumentation for precise work. However the auto car I'm currently working on has proved very reluctant to run unless perpetually fed with a high octane aerosol. It runs fine but as soon as blipped or I stop spraying it dies. I set it up exactly as my Haynes manual (fully in then both back 2 turns of the idling screws, then throttle stop screws forward 1 turn from cam plate) but no difference. The car last ran in winter: I know the fuel pump is OK as it has a new one that's pumping well. I also completely stripped and cleaned the carbs, so my thoughts - could the fuel have lost most of its octane over winter? I know it did run last year, as the previous owner had a video of it running. However, his mechanic did say it didn't run well at all - any ideas please. P

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