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Discussion Starter #1
Improved master cyl for the OBS trucks ???

Someone posted sometime ago that there was a better brake master cly for the OBS trucks I tried the search to no avail..Part # bore size any info would be helpful... Thanks Burle
 

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Re: Improved master cyl for the OBS trucks ???

I'll try to look for it, it was a service tip put out by a part mfg suggesting to go to a larger bore size, maybe by Mighty? I think I printed it and put it in the archives..........
 

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Re: Improved master cyl for the OBS trucks ???

late 96's and 97's have it. It is a 1 3/8 bore where the early ones were 1 1/8 bore
 

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Re: Improved master cyl for the OBS trucks ???

Thanks to all for the come back .. I'll check out the 1 3/8 bore.. Thanks again Burle.
 
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