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Still need to add choke rich at higher rpms. 120-130 1967

posted by  uniberp on  Thu Jan 28 16:10 CST 2016
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last visit: Mon Jan 31 07:08 CST 2011
[RELATED]

I'm getting closer. New points, timing and dwell dead on, carbs synched and behaving, the engine tested combustion gas tight with the "blue fluid" radiator vapor suction tester, but I still need to pull the choke a little at higher rpms to get have any power at 50+mph.

I cannot find any more vacuum leaks. Brake booster is disconnected.

The throttle shafts seem tight enough, and spraying a little spray grease on them makes no difference even for a bit. The tiny little nipple (vac advance I think) on the rear carb is capped.

I've pulled the jets and double cleaned them. intake and exhaust valves all measure in spec and click nicely. Compression is 150 across.

I suppose the fuel pump could be weak, but they're so weak to begin with how could that make a difference?

I have an assortment of thermostats 180 to 195. It seems to warm up slowly, so that could be contributing.

The generator light glows dimly when the heater fan is on, indicates I may have a low voltage condition then, but it makes no diff in running when I switch it off.

I want to put in a Pertronix, but not as bad as I want it to run original before I do that.


--
MPergiel, Walker, MI






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