8N builds rpm's very slowly

Posted by Thad in AR. on May 11, 2013 at 12:36:23 from (67.142.167.20):

I just got an 8N that had set. The motor was locked. I poured atf/acetone in the cylinders and it was free the next morning. I changed points plugs rotor and complete carb kit and started it. It will idle very slow and when you hit the throttle it doesn"t cough or spit but it builds rpm"s very slow. I removed the throttle linkage and ran it by hand and got the same results.It has a slight miss at low rpm and the air/fuel mix screw doesn"t change anything at all open or closed or inbetween. The power jet screw does work. I didn"t change plug wires yet. The longer I let it run the better it got but the next morning it was just like when I first started it. I let it run for 30 minutes at half throttle. I"m thinking stuck/weak valves or timing/timing advance. any other ideas. 1952 with a side mount dist and a MS carb.

Replies:

• Re: 8N builds rpm's very slowly Thad in AR. 20:27:23 05/11/13 (0)
• Re: 8N builds rpm's very slowly soundguy 14:55:06 05/11/13 (0)
• Re: 8N builds rpm's very slowly billy boy2 13:35:23 05/11/13 (0)
• Re: 8N builds rpm's very slowly rustyfarmall 12:38:35 05/11/13 (0)

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