Single Spring

December 6 2017 at 11:04 AM
Frank Alessio  (Login fsa70)
YF12


Response to Early FWB 300 (not the "S") single or double spring?

The early 300 ( no S ) came with a single spring. I put a new spring in my 300 in May and here are the before and after results after it was installed..





FWB 300 ( 1969 Build ) Chrony Results
Before .... After Rebuild
5/1/17 .... 5/5/17
JSB 7.33 .... JSB 7.33

1.. 577.5.... 646
2.. 584.9.... 651.4
3.. 581.7.... 649
4.. 582.5 .... 643.5
5.. 589.2.... 643.3
6.. 574.3.... 643
7.. 581.2.... 646.3
8.. 592.6.... 648.1

9.. 588.6.... 643.9
10.. 578.3.... 645.3
11.. 577.4.... 646.8
12.. 577.2.... 646.2
13.. 584.7.... 643.6
14.. 579.4.... 643.7
15.. 588.2.... 647.3
16.. 576.6.... 644.7 ( no S ) came with a single spring.


    
This message has been edited by fsa70 on Dec 6, 2017 11:13 AM


 
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