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Weak Spring


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#1 germini30

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Posted 22 May 2018 - 08:12 AM

How can I check if my hif44 dashpot spring needs replacing. I have got the dashpot off and if I turn the assembly upside down the spring isn't strong enough to hold the piston up.

#2 nicklouse

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Posted 22 May 2018 - 08:16 AM

that is not how you test the spring or what it is actually meant to do.

 

 

why do you think it is weak?



#3 germini30

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Posted 22 May 2018 - 08:22 AM

Its just that the carb had been stood 20 odd years. It had a rebuild kit but still got the original spring

#4 Spider

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Posted 22 May 2018 - 09:47 AM

The springs are cheap - replace it if you doubt it.

 

You can test it but it's a fiddle to do in any meaningful way.



#5 nicklouse

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Posted 22 May 2018 - 10:38 AM

I don't get why people don't put all the info in their posts.
 

The problem I am having is that fuel vapours are getting into my vacuum pipe and travelling down the pipe to my ecu. The carb is hif44 with the vacuum take off just after the butterfly. I am getting fuel smoke when I accelerate after a long overrun period too.

Yes it's an ecu that uses the map in the inlet manifold to advance the timing


Basically I have no dizzy. Its replaced by this ecu which is called megajolt



#6 nicklouse

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Posted 22 May 2018 - 11:32 PM

i am still struggling as to how the spring would change this. but again very little to go on here.






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