CK5
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Hydroboost ?

Is there adapters for the lines at the gear box or do I have to have custom lines made?
Or will lines for a 77 fit the 80 hydroboost?
 
80 and older should be the same. flare fittings. just go to the parts store and buy the hydroboost pressure hoses from a 77 c30 dually.
for the return side you will just need some bulk hose and a "t" and some hose clamps. "t" the return from the booster and the box together near the box, and run it back to the pump.

you will also need the master cylinder for a hydroboost truck
 
I have everything from a donor truck. But I read somewhere on here that starting in 1980 GM started using different fittings. I don't know if the steering box from the donor truck is any good. Just want to keep this as painless as possible. Thanks.
 
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