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Thread: Frame cross-member removal and stability/rigidity

  1. #1
    Junior Member
    Join Date
    Jan 2018
    Location
    Florida
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    1

    Frame cross-member removal and stability/rigidity

    Happy New Year.

    We are just starting on an LS-2 swap for my 2001 AP1 S2000 (with 190,000 miles). With the engine out, and with cross member removal very soon, I am concerned about frame rigidity loss. The Import Muscle kit instructions say that the LSx engine when rigidly mounted forms the segmental replacement for the removed structural support.

    Is this what people recommend? The rectangular box beam is quite stiff. For an open car like the S2000, it bothers me to remove structural frame elements. Has anyone reinstalled tubular cross members or similar, after placement of the LSx engine, with or without rubber or rigid engine mounts?

  2. #2
    Junior Member
    Join Date
    Oct 2014
    Posts
    1
    When I swapped from the Import Muscle mounts to Alloywerks mounts, I felt a definite bit of slop up front. I added a strut tower bar and that helped remove that slop feel. Depending on spacing after I finish a bit more work that I'm doing now, I'll be looking into fabricating up a removable cross member as well.

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