What is this for?
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Rack damper. It helps smooth the idle.
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Whatever you want to call it......
it adjusts the pressure on the end of the speeder spring.....which in turn holds the flyweights in check......it may be called a "rack dampener" here.....but it will in fact set the range that the governor governs in.......increasing (turning the screw in) compression on that spring will increase the idle speed as well as the top end speed.....and decreasing the compression (backing screw out) on that spring could cause some of the linkages and pivot points to come out of alignment....especially if there is a bit of wear within the pump governor.....
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It's just a pin. The fuel rack rests against it at idle, it does not contact anything else in the pump or have a spring on it (Only inside of it).
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I have the old silver styled ones, can I play with adjustment to try to smooth out my idle? I'm not keen on paying $70 for a little pin like that.
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Why dont the 616 engines have a rack damper? Its fine with me tho, one less thing to "tweek":D
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You can also adjust these. While the engine is running loosen the two 13 mm nuts and rotate clockwise or counter clockwise using I think a 15mm wrench where the injector line hooks up on each one until the idle smooths out. Do one at a time. Attachment 45383
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Is this what you can do by adjusting it. Will it work on a 82 240 manual shift giving it a little more pep. ".increasing (turning the screw in) compression on that spring will increase the idle speed as well as the top end speed.....and decreasing the compression (backing screw out) on that spring could cause some of the linkages and pivot points to come out of alignment....especially if there is a bit of wear within the pump governor"..... Thanks RAY M |
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