RKC lowering
Outstanding HDF Member
Joined: May 2011
Posts: 2,283
Likes: 4
From: nebraska
Ok i got a cpl questions for you internet experts .
how many of you have expermented changing to diffrent oil weights in shocks to tune them ?
I own a 2008FLHRC i wanted to lower the rear one inch but most lowering blocks will not work with the leather wrapped bags . so i bought a pair of 12" low touring shocks from ebay OEM part #54662-02A low.
i know my stock 2008 13" air shocks take max presure 35psi . I understand the 09 and newer shocks take 50psi max . so how do i determine if the shocks i bought are 09 newer or older ? does the part # tell ? also is the max presure diffrence due to the the airlines ect on the bike or the shocks ?
i am asuming theses shocks have the 5w stock oil i am debating wether to put them on this way or change out to 7w oil . i weigh 190lb.
the seller said the shocks were installed on a 2007 electra glide for a short time .. but didn't know if it was recently "newer shocks " or not .
Now if i change the oil i know the 13" shocks take 10.5 oz oil .do the 12" shocks take the same amount ?
how will alteering the amount of oil in each shock a few onces alter the ride?
how many of you have expermented changing to diffrent oil weights in shocks to tune them ?
I own a 2008FLHRC i wanted to lower the rear one inch but most lowering blocks will not work with the leather wrapped bags . so i bought a pair of 12" low touring shocks from ebay OEM part #54662-02A low.
i know my stock 2008 13" air shocks take max presure 35psi . I understand the 09 and newer shocks take 50psi max . so how do i determine if the shocks i bought are 09 newer or older ? does the part # tell ? also is the max presure diffrence due to the the airlines ect on the bike or the shocks ?
i am asuming theses shocks have the 5w stock oil i am debating wether to put them on this way or change out to 7w oil . i weigh 190lb.
the seller said the shocks were installed on a 2007 electra glide for a short time .. but didn't know if it was recently "newer shocks " or not .
Now if i change the oil i know the 13" shocks take 10.5 oz oil .do the 12" shocks take the same amount ?
how will alteering the amount of oil in each shock a few onces alter the ride?
Last edited by baust55; Nov 19, 2011 at 05:53 PM.
Outstanding HDF Member
Joined: Jan 2010
Posts: 2,916
Likes: 31
From: earth
Ok i got a cpl questions for you internet experts .
I own a 2008FLHRC i wanted to lower the rear one inch but most lowering blocks will not work with the leather wrapped bags . so i bought a pair of 12" low touring shocks from ebay OEM part #54662-02A low.
i know my stock 2008 13" air shocks take max presure 35psi . I understand the 09 and newer shocks take 50psi max . so how do i determine if the shocks i bought are 09 newer or older ? does the part # tell ? also is the max presure diffrence due to the the airlines ect on the bike or the shocks ? i am asuming theses shocks have the 5w stock oil i am debating wether to put them on this way or change out to 7w oil . i weigh 190lb.
the sealer said the shocks were installed on a 2007 electra glide for a short time .. but didn't know if it was recently "newer shocks " or not .
now if i change the oil i know the 13" shocks take 10.5 oz oil .do the 12" shocks take the same amount ?
I own a 2008FLHRC i wanted to lower the rear one inch but most lowering blocks will not work with the leather wrapped bags . so i bought a pair of 12" low touring shocks from ebay OEM part #54662-02A low.
i know my stock 2008 13" air shocks take max presure 35psi . I understand the 09 and newer shocks take 50psi max . so how do i determine if the shocks i bought are 09 newer or older ? does the part # tell ? also is the max presure diffrence due to the the airlines ect on the bike or the shocks ? i am asuming theses shocks have the 5w stock oil i am debating wether to put them on this way or change out to 7w oil . i weigh 190lb.
the sealer said the shocks were installed on a 2007 electra glide for a short time .. but didn't know if it was recently "newer shocks " or not .
now if i change the oil i know the 13" shocks take 10.5 oz oil .do the 12" shocks take the same amount ?
Outstanding HDF Member
Joined: May 2011
Posts: 2,283
Likes: 4
From: nebraska
thanks . i am leaning towards changing out the 5w oil for 7w or 10w before i install them . i weighed them to see if they had equal amounts of oil in each shock .they came sealed with caps and looked neer new little signs or ware
Outstanding HDF Member
Joined: Jan 2010
Posts: 2,916
Likes: 31
From: earth
With the pre-09 shocks, I would recommend starting with 10w Amsoil or equivilent. Be aware there are wide variances in viscosity characteristics among diferent brands of XXWt fluid. I had great success with the Amsoil as have many others. It is a very good interim mod for the rear suspension.
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