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andys |
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#1
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Advanced Member ![]() ![]() ![]() ![]() Group: Members Posts: 2,165 Joined: 21-May 03 From: Valencia, CA Member No.: 721 Region Association: None ![]() ![]() |
Got one good opinion "over there". Soliciting others.
I've got two options on shocks if indeed they are interchangeable. I'm doing a 911 front swap from a '89 Carrera. These are Boge struts with gas shocks; the black ones in the photos below. When I disassembled the 914 struts, I found Koni adjustable inserts. The red shocks in photos below. Should I consider trying to adapt the Koni inserts into the Boge struts? I seem to recall someone did a nice write-up on the different interchanges, and I think Koni inserts fit the Boge struts with a certain mix of parts (retaining spanner, spacer, etc). Since I have a machine shop, I can make whatever spacers I need if the adaption is even possible or worthwhile. Another question I have has to do with which shock would be better suited to my setup. My car is a LS1 V8 swap with 6 speed trans. I have Koni double adjustable (Yellow) rear coil overs with 200# springs, Engman chassis stiffening kit and suspension ear reinforcement. The front T-bars are stock Carrera (18.8mm?). I would prefer to get the shocks reasonably close to matching the T-bars and the weight of the car. This is mainly a street car with of course a couple of visits to Willow Springs for a HPDE or two. Opinions? Thanks, Andys Attached image(s) ![]() ![]() ![]() |
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brp986s |
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#2
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Member ![]() ![]() Group: Members Posts: 434 Joined: 27-September 07 From: los angeles Member No.: 8,167 ![]() |
I've heard of places that rebuild konis, but I have not done it. I bought bilstein 3.5" struts, took out the inserts and brought them to bilstein near san diego and had them revalved to 914 specs. It seems you want custom specs. They will ask for those when you drop them off. I don't know how you'll determine that.
Here is a table that was posted here some time back that correlates torsion bar diameter to spring rate: SIZE ( mm) SPRING RATE ( Lb/in) 18.8 110 21 173 22 210 23 250 24 296 25 350 |
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