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Camaro IRS differential conversion


toolman

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   I always been a Chevy man and installed a Chevy 327 into my 240z over 40 years ago.   Now I am planning to install a LS3 crate motor in after I

restore the rest of the car.   While surfing the Net, I came across a post on a Australian 240z forum-Auscar.  PeterAllen discussed putting a Holen

differential into a 240Z.   His donor car was a 2005VZ SS Ute which an Australian version of Chevrolet Camaro.   Here are some of the pictures of the conversion:

auzroldenearswap3.jpg.0bd7fd52d4827452ff9e7c450be9b497.jpgHolden conversion

 

aus240z2.jpg.92be429b49e9faf3f1d3e1e175ad9d4c.jpg  rear mounting bar

 

  AUZ240ZHOLDENREARSWAO6.jpg.a558b8cfa38c083be38b4d633878a831.jpgdifferential mounting bracket

 

aus240z10.jpg.408e956d6544eb186f4ea6c8436abdc4.jpgCV 930 axles1048735771_ausHoldenrearswap.jpg.41c771e27a75a72fa4a85b0ff02f4ff3.jpg front differential mount tied to rear crossmember

 

There are more detailed information on this post.   The author offers the detailed plans to interested parties too.   The thing that I like is that Chevy Performance parts are the cheapest and widely available( even in the junk yards).   Also, Chevy is coming out with a 9" Holden differential in the Camaro,

 

auzholdenrearswap2.jpg.80beb6bc60881065b4710fba1d821655.jpgadjustable rear lower control arm and disc

brake bracket

Edited by toolman
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55 minutes ago, toolman said:

  

1048735771_ausHoldenrearswap.jpg.41c771e27a75a72fa4a85b0ff02f4ff3.jpg front differential mount tied to rear crossmember

 

 

 

It's nice work.  But the front mount has the same leverage problem that most of the short nose diff mounts have.  The nose load has a short lever on the two body mount bolts.  The back bolt is essentially a fulcrum, getting upward load under forward acceleration, and the front bolt gets a downward load.

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Posting additional pics

aus240z14.jpg.90e3b3a8a1aa93f54bbaf7a45e6b83df.jpgfrom the pic two of bolts attach to

another additional crossmember( guessing about 3" x1" steel tubing bolted to the floor}   The mounts looks like about 3/8" or 1/2" steel plate.

aus240z15.jpg.01295386178081486d7d8de6aa67324c.jpgBolts must be about 3/8" or bigger.

 

 

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On 7/31/2018 at 9:26 AM, NewZed said:

 

It's nice work.  But the front mount has the same leverage problem that most of the short nose diff mounts have.  The nose load has a short lever on the two body mount bolts.  The back bolt is essentially a fulcrum, getting upward load under forward acceleration, and the front bolt gets a downward load.

Bingo.

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