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  • scardeal

    Nov. 4, 2010 1:17 p.m. scardeal Reader

    I was looking at the images from the Regal thread, and had a quirky thought...

    From the looks of this, any MacStrut (with Cheese) suspension could be adapted to this configuration. I wonder if it would provide an AutoX advantage vs plain camber plates.

    Thoughts?

    Some questions:
    What other GM models could use the stock LaCrosse HiPer struts? Could these be used in a Cruze or Cobalt?

    What's the performance delta between a HiPer Strut, a regular Mac strut, and a-arms?

  • itsarebuild

    Nov. 4, 2010 1:27 p.m. itsarebuild Reader

    looks like the only reral difference is added bushings at the strut/ lca mating point. think they are rubber or urethane from the factory?

    and that "unique" LCA looks a lot like an E30 unit doesnt it?

  • unevolved

    Nov. 4, 2010 1:43 p.m. unevolved HalfDork

    Reducing your KPI would give you... what? I'm a little rusty in my kinematics.

  • Matt B

    Nov. 4, 2010 2:53 p.m. Matt B HalfDork

    I would gander that the extra bushings only provide extra NVH insulation (which is important to Regal buyers, I would imagine). If there was a performance advantage it would be in the kingpin axis. My noob mind needs to look it up again though.

  • snipes

    Nov. 4, 2010 3:40 p.m. snipes Reader

    More room before the tire hits the spring perch? It should let you run a wider/taller tire. But I think the bigger change is want the shallower kingpin angle does as the wheels are turned. The turn-in and on center feel would be way different no?

  • ReverendDexter

    Nov. 4, 2010 3:42 p.m. ReverendDexter Dork

    itsarebuild wrote:

    and that "unique" LCA looks a lot like an E30 unit doesnt it?

    Like an S197 Mustang's, too.

  • Grtechguy

    Nov. 4, 2010 5:26 p.m. Grtechguy SuperDork

    ReverendDexter wrote:

    itsarebuild wrote:

    and that "unique" LCA looks a lot like an E30 unit doesnt it?

    Like an S197 Mustang's, too.

    or 2nd gen RX7

  • unevolved

    Nov. 4, 2010 5:35 p.m. unevolved HalfDork

    snipes wrote:

    More room before the tire hits the spring perch? It should let you run a wider/taller tire. But I think the bigger change is want the shallower kingpin angle does as the wheels are turned. The turn-in and on center feel would be way different no?

    Looks like it should reduce scrub radius, for one.

  • RexSeven

    Nov. 4, 2010 5:40 p.m. RexSeven Dork

    It looks similar in concept to the Ford RevoKnuckle system (warning: PDF):

    http://www.not2fast.com/chassis/revoKnuckle.pdf

  • Javelin

    Nov. 4, 2010 8:46 p.m. Javelin SuperDork

    Nobody noticed the #1 benefit of this and the RevoKnuckle...

    By adding that upper balljoint and running the strut to the bottom of the spindle, now only the spindle rotates in a turn. In a plain MacStrut, the whole stinking strut pivots which gives slow steering, bad feel, and promotes understeer. I think it's pretty ingenious, actually.

  • Nov. 4, 2010 9:55 p.m. Knurled HalfDork

    Grtechguy wrote:

    ReverendDexter wrote:

    itsarebuild wrote:

    and that "unique" LCA looks a lot like an E30 unit doesnt it?

    Like an S197 Mustang's, too.

    or 2nd gen RX7

    "Unique" = only that model has it.

    FC RX-7s and S197 Mustangs probably have ball joints at the end of the control arm, not bushings.

    I showed the pics to my co-worker and he said "Oh great! Kingpins like an MG!"

  • Nov. 4, 2010 9:57 p.m. Knurled HalfDork

    Javelin wrote:

    Nobody noticed the #1 benefit of this and the RevoKnuckle...

    By adding that upper balljoint and running the strut to the bottom of the spindle, now only the spindle rotates in a turn.

    Nissan's been doing that for years, though. They put the suspension links wherever they wanted without having to worry about steering axis.

  • Slyp_Dawg

    Nov. 4, 2010 10:51 p.m. Slyp_Dawg Reader

    this is a halfway interesting concept, although I don't think I would try it on my Mini just because I can't be bothered to tear the whole front end apart to reverse engineer it and I don't have access to the necessary casting and machining equipment to make the new spindle and spindle carrier (for lack of a better term...)

 
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