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What size harmonic balancer? EF Fairmont. 31.7 or 31.76? 

 

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 Post subject: Re: What size harmonic balancer? EF Fairmont. 31.7 or 31.76?
Posted: Sun Feb 21, 2016 2:55 pm 
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snap0964 wrote:
SWC wrote:
There won't be enough adjustment for the 6PK2370.
Some catalogues list this as a replacement to the EF/EL I6 with A/C. I've been running this length for many years without incident - the tensioner has around same travel either way. A new belt only just fits over the P/S pulley with the tensioner at min belt length. A 6PK2350 would be a tight fit I would think.


6PK2350 fits nice. Ran that size on both the EF & EL Fairmonts.

Motorcraft replacement part number is AJK6945 and they state the equivalent reference of 6PK2350.

Bosch list the size as 6PK2370.

So there appears to be a little mix is the suppliers reference to size.
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 Post subject: Re: What size harmonic balancer? EF Fairmont. 31.7 or 31.76?
Posted: Sun Feb 21, 2016 10:00 pm 
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Whether or not the length is to spec with the respective belt is another thing too.

 

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 Post subject: Re: What size harmonic balancer? EF Fairmont. 31.7 or 31.76?
Posted: Sun Feb 21, 2016 10:13 pm 
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creeture3 wrote:
According to the parts list,there is only one type of damper listed for the i6, Ford #EF 6316 B

The V8 one is listed as: #E4TZ 6316 A and is a different shape entirely.

I am assuming that the size you are quoting refers to the shaft size? I really cannot see how .06 (.003") of a mm can make a huge difference, as the damper is only a slight interference fit anyway, and has a key-way as well.

Maybe ask the salesman why the two are listed, or see if you can contact the manufacturer and ask?

considering that the general rule for interference fits is a thou/inch .006mm would be a hell of a lot of an issue, considering the balancer normally is just fitted using it's own bolt and a ratchet they'd be size for size to maybe 0.02mm/0,001" interference

 

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