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Connecting Rod Weight Reduction

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Uploaded by on Nov 7, 2008

Here's another weight reduction method used by John @ Costa Mesa R&D Automotive Machine. Check it out!
www.engine-machining.com

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Autos & Vehicles

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Uploader Comments (fiatnutz)

  • how weight you loose with this mod?

  • @c12letmefly - Around 90 grams.

  • John, ever done this mod to domestic V8 stuff? So i guess you would only weaken the rod wherein it would fail on decell, such as when rod bolts fail? Keep em comin. -scott

  • @scotts439 - I haven't had any rods fail in this area. The LS-7's have similar weight reduction on the Ti rods, only more drastic. Diesels have been using this design for over 5 years, the automotive guys are finally getting it.

  • How do you replace the small end bushes on a trapezoidal shaped rod? Thx.

  • @jrgm3 - I have special fixtures for doing some of the rods, others I replace with a cylinnderical bushing, fit the pis, and then shave the sides as needed. Getting them out is the fun part.

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  • @scotts439

    Wondering the same, even for extreme high rpm applications and deceleration, such as autocross, on gen 1 type rods, specifically your standard forged I beam.

  • @DrMMHMD oh thats 3000 you can buy a whole engine

    what do you recommend for main bearing clearence on todays engines that run 5w-20 oil?

  • i had this done it so much more revv happey

  • Is that will feel the difference in engine revving?

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