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Ok, now I'm sure this topic has come up before, but my search didn't give me the info I need.
I'm installing my new Bilstien HD rear shocks on my 07 F150 tomorrow and want to know which is the right way to put the shock. The guys at shockwarehouse say either way is fine but boot up is prefered.
Boot goes up...either way is not fine because the shock is filled with fluid and if it's upside down it will leak and not respond as it is supposed to because the fluid is going downwards
Bilstein must have a different design to keep the gas in cause I had a set in here the other day that a local brake place did (rancho's) and the customer had to replace them because they were leaking after a week.
The valving would not be correct either, put them on however Bilstein recommends for sure. Remember to give them a while to break in, they'll loosen up a little (inside the shock, not the mounting hardware ). Be sure to let us know how you like them!
Most shocks have different fittings on each end so there's no question of how it goes on. There are shocks that are meant to be boot down. I don't like them and have had some failures with this type (Edelbrock Performer), but they are out there. On applications where both ends have the same fittings, you must go by manufacturer's instructions. 'Inverted' (boot-down) shocks will usually have warnings about the special installation.
No special instructions or anything with these Bilsteins.
Will say the new shocks surely improve the ride on my truck. One thing I was very surprised by was the size difference of the strut shaft. The OEM shocks have say a 3/4" shaft while the Bilsteins were only 1/2". But the pressure in the OEM is almost non existent.
Time will tell how well these perform, but I would expect they will hold up well....
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