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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

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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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Still need to add choke rich at higher rpms. [120-130][1967]
posted by uniberp on Thu Jan 28 16:10 CST 2016 >

Still need to add choke rich at higher rpms. [120-130][1967]
posted by Dylan Berichon on Thu Jan 28 17:01 CST 2016 > V
- New jets seem to have fixed it. [120-130][1967]
  posted by uniberp on Sun Mar 20 17:20 CST 2016 > V
  - New jets seem to have fixed it. [120-130][1967]
    posted by Ron Kwas on Mon Mar 21 07:25 CST 2016 > V

Still need to add choke rich at higher rpms. [120-130][1967]
posted by james_a_sousa subscriber on Fri Jan 29 10:15 CST 2016 > V
- I will check the condensor. [120-130][1967]
  posted by uniberp on Fri Jan 29 13:20 CST 2016 > V
  - I will check the condensor. [120-130][1967]
    posted by volvorelix on Fri Jan 29 19:32 CST 2016 > V
    - Worn throttle false air. [120-130][1967]
      posted by Ron Kwas on Sat Jan 30 06:05 CST 2016 > V
      - Worn throttle false air. [120-130][1967]
        posted by volvorelix on Sat Jan 30 09:54 CST 2016 > V
        
        Worn throttle false air. [120-130][1967]
        posted by Ron Kwas on Sat Jan 30 15:22 CST 2016 > V
        
        Worn throttle false air. [120-130][1967]
        posted by volvorelix on Sat Jan 30 16:38 CST 2016 > V
        
        I'll block the breather intake and see. [120-130][1967]
        posted by uniberp on Sun Jan 31 08:07 CST 2016 > V
        
        Also, wouldn't excess blowby shut the PCV valve? [120-130][1967]
        posted by uniberp on Sun Jan 31 10:31 CST 2016 > V
        
        I'll block the breather intake and see. [120-130][1967]
        posted by riverbend subscriber on Sun Jan 31 12:32 CST 2016 > V
        
        Engine revs fine with no load. Maybe intake gasket. [120-130][1967]
        posted by uniberp on Sun Jan 31 14:24 CST 2016 > V
        
        Engine revs fine with no load. Maybe intake gasket. [120-130][1967]
        posted by volvorelix on Sun Jan 31 16:02 CST 2016 > V
        
        Can't get the needle out to check, Fixed one bad throttle shaft bushing [120-130][1967]
        posted by uniberp on Sun Feb 7 20:54 CST 2016 > V
        
        Can't get the needle out to check, Fixed one bad throttle shaft bushing [120-130][1967]
        posted by derek uk subscriber on Mon Feb 8 07:30 CST 2016 > V
        
        Reaming BEFORE inserting new bushes that came with the standard SU kit. [120-130][1967]
        posted by uniberp on Mon Feb 8 08:55 CST 2016 > V
        
        Reaming BEFORE inserting new bushes that came with the standard SU kit. [120-130][1967]
        posted by derek uk subscriber on Tue Feb 9 11:36 CST 2016 > V
        
        Engine revs fine with no load. Maybe intake gasket. [120-130][1967]
        posted by riverbend subscriber on Sun Jan 31 17:57 CST 2016 > V
        
        I will put a vacuum gauge on it and see what that shows [120-130][1967]
        posted by uniberp on Tue Feb 2 09:13 CST 2016 > V
        
        I will put a vacuum gauge on it and see what that shows [120-130][1967]
        posted by Ron Kwas on Wed Feb 3 08:19 CST 2016 > V
  - I will check the condensor. [120-130][1967]
    posted by derek uk subscriber on Sat Jan 30 05:27 CST 2016 > V
    - I'll pull the filters off and see but I expect the worst. [120-130][1967]
      posted by uniberp on Sun Jan 31 09:32 CST 2016 > V

Still need to add choke rich at higher rpms. [120-130][1967]
posted by B20Paul. subscriber on Sat Jan 30 02:04 CST 2016 > V

Still need to add choke rich at higher rpms. [120-130][1967]
posted by patrick of montreal on Sat Jan 30 13:53 CST 2016 > V
- Still need to add choke rich at higher rpms. [120-130][1967]
  posted by Volvo From Heck subscriber on Sat Jan 30 17:20 CST 2016 > V

Still need to add choke rich at higher rpms. [120-130][1967]
posted by patrick of montreal on Mon Feb 1 09:06 CST 2016 > V
- Prettymuch rule out blockage. Flushed tank and lines. [120-130][1967]
  posted by uniberp on Tue Feb 2 09:20 CST 2016 > V
  - Prettymuch rule out blockage. Flushed tank and lines. [120-130][1967]
    posted by volvosteve on Thu Feb 4 21:12 CST 2016 > V

Still need to add choke rich at higher rpms. [120-130][1967]
posted by james_a_sousa subscriber on Fri Feb 5 10:42 CST 2016 > V

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Volvo RWD 120-130 Forum

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