RJansen658 Posted July 24, 2006 Report Share Posted July 24, 2006 Ok guys, I have strut assemblies off of a 96' Lumina. I was just looking at the KYB website, and they have 2 different front strut mounts, for Standard or H.D. suspension. I have no idea how to tell the difference, and the car I got them from is long gone so no RPO codes.... The strut mounts appear to be the only part that has 2 versions.... the strut bearings, and lower spring seats are the same H.D. or Std. I do not see a part number anywhere for upper spring seats, so I do not know if they are different. Does anyone know the differences between H.D. and Std. Suspension on the Gen 1.5 W's? Can I just buy the H.D. Mounts and use them with my upper spring seats? Again, mine may even be H.D. already.... Quote Link to comment Share on other sites More sharing options...
19Cutlass94 Posted July 24, 2006 Report Share Posted July 24, 2006 If you go to the dealer and give them your VIN they will be able to tell your. But since your car is a 3100/4T60-E its probably the standard. Quote Link to comment Share on other sites More sharing options...
RJansen658 Posted July 24, 2006 Author Report Share Posted July 24, 2006 I have strut assemblies off of a 96' Lumina.....and the car I got them from is long gone so no RPO codes.... They were from a junk yard car, I have no info about them. I think the car had a 3400 in it? They are the larger brake disc strut assemblies.... Quote Link to comment Share on other sites More sharing options...
19Cutlass94 Posted July 24, 2006 Report Share Posted July 24, 2006 I dont think the lumina came with a 3400. If they are larger it probably had a 3.4 DOHC in it. In that case, I believe it would have the H.D. suspension. Quote Link to comment Share on other sites More sharing options...
RJansen658 Posted July 24, 2006 Author Report Share Posted July 24, 2006 Well, in 96 all the luminas and montes came with the bigger rotors regardless of engine size... its the same strut/knuckle assembly, the caliper bracket is just mounted further out to accomodate the larger rotors. They are a direct bolt on upgrade. I will have to find out what the difference is, perhaps the dealership can tell me. Quote Link to comment Share on other sites More sharing options...
mihela816 Posted July 24, 2006 Report Share Posted July 24, 2006 They should be the same, I'd go for the HD. Quote Link to comment Share on other sites More sharing options...
Guest TurboSedan Posted July 24, 2006 Report Share Posted July 24, 2006 yeah they are probably the same or at least either one would fit. i'd get the HD. i did and they fit fine. Quote Link to comment Share on other sites More sharing options...
RJansen658 Posted July 25, 2006 Author Report Share Posted July 25, 2006 @TurboSedan: what kind of W was this for that you bought the H.D. mounts? If they worked for you I will try them as well. @Everyone: anyone ever see upper spring seats for sale new? I haven't seen any anywhere, and I looked pretty good... Quote Link to comment Share on other sites More sharing options...
Guest TurboSedan Posted July 25, 2006 Report Share Posted July 25, 2006 @TurboSedan: what kind of W was this for that you bought the H.D. mounts? If they worked for you I will try them as well. @Everyone: anyone ever see upper spring seats for sale new? I haven't seen any anywhere, and I looked pretty good... i bought KYB HD strut mounts for a '96 Cutlass Supreme from tirerack.com. my strut/knuckle assemblies are from a rather plain jane '96 Cutlass Supreme sedan that was in the j/y (had a 3100; it was probably FE1 suspension). these strut/knuckle assemblies went into my '90 Grand Prix STE Turbo (big front brake upgrade). i haven't actually been able to drive the car yet but they fit perfect. as for the upper spring seats - try checking rockauto.com if you haven't already. they have alot of stuff available i haven't seen anywhere else. EDIT... here are some pics of the HD KYB strut mount: KYB strut boot on left, KYB HD strut mount on right: http://www.turbosedan.com/ste/brakes_susp/DSC02411.JPG strut mount installed into spring seat: http://www.turbosedan.com/ste/brakes_susp/DSC02419.JPG i'm really not sure what makes it "HD" or how it's any different than the regular KYB strut mount. Quote Link to comment Share on other sites More sharing options...
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