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  #1  
Old 05-01-2014, 08:04 PM
crashone's Avatar
1983 300SD, 4 speeed
 
Join Date: Jul 2006
Location: Raleighish, NC
Posts: 664
Number 7 or 8 Sach Hydraulic Shock

Anyone know what the numbers 7 or 8 refer to on the Sach Hydraulic shocks?

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1983 300SD, 4 speed
1994 C280
1987 300TD wagon
1996 HD Road King

Ride in Peace Eric Peterson, Harley of Macon
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  #2  
Old 05-05-2014, 09:54 PM
crashone's Avatar
1983 300SD, 4 speeed
 
Join Date: Jul 2006
Location: Raleighish, NC
Posts: 664
Yea, I could not find anything either. They seem to work pretty well whatever the difference is.
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If it ain't broke take it apart and find out why.

1983 300SD, 4 speed
1994 C280
1987 300TD wagon
1996 HD Road King

Ride in Peace Eric Peterson, Harley of Macon
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  #3  
Old 05-06-2014, 04:40 PM
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Join Date: Jan 2012
Posts: 7,534
Are these factory shocks?

I was looking in the W202 tech highlights CD and found the numbers seem to designate valving. ( Compression / extension resistance rates. )
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  #4  
Old 05-06-2014, 09:50 PM
crashone's Avatar
1983 300SD, 4 speeed
 
Join Date: Jul 2006
Location: Raleighish, NC
Posts: 664
Not sure if they are factory but the #7's I pulled off had been there for awhile. I bought a pair of #8's off ebay to replace them. I did not notice the numbers on the old ones until I scraped a layer of crud off. I have seen pictures with the different numbers but can not find what they represent.
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If it ain't broke take it apart and find out why.

1983 300SD, 4 speed
1994 C280
1987 300TD wagon
1996 HD Road King

Ride in Peace Eric Peterson, Harley of Macon
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  #5  
Old 05-06-2014, 10:32 PM
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Location: Vancouver, BC
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I assume this is for your 87TD. This is just a shot in the dark here, but I remember reading somewhere, can;t remember if it was in the FSM or on the forum, that there was an early and a late rear hydraulic shock. They were outwardly very similar\or identical and could be swapped in place on one another. Maybe that's the source of the different numbers?
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  #6  
Old 05-08-2014, 09:31 PM
crashone's Avatar
1983 300SD, 4 speeed
 
Join Date: Jul 2006
Location: Raleighish, NC
Posts: 664
That makes sense. If I can remember I will ask the next time I am at the dealership.

__________________
If it ain't broke take it apart and find out why.

1983 300SD, 4 speed
1994 C280
1987 300TD wagon
1996 HD Road King

Ride in Peace Eric Peterson, Harley of Macon
Reply With Quote
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