difference between dx and si tranny

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Old May 24, 2007 | 06:26 PM
  #1  
BlueRex1020's Avatar
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Default difference between dx and si tranny

hi guys, i'm buying an si tranny tomorrow for my dx rex but i want to make sure its an si tranny so i dont get screwed over....How can i tell if its an si tranny? what code should i look for?
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Old May 24, 2007 | 06:29 PM
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From: Under the hood of a 4th gen,, Oregon, usa
Default Re: difference between dx and si tranny (BlueRex1020)

dx and si codes are the same... you have to rotate it to determin the ratios. look in the FAQ... there is a write up on it.
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Old May 25, 2007 | 04:37 AM
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here u go buddy. https://honda-tech.com/zerothread?id=1551508
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Old May 25, 2007 | 02:40 PM
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Default Re: (vdawg559)

1 gear is longer on dx but they are basically the same.
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Old May 25, 2007 | 07:02 PM
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Default Re: (nihad)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by nihad &raquo;</TD></TR><TR><TD CLASS="quote">1 gear is longer on dx but they are basically the same. </TD></TR></TABLE>

they are not the same at all... si has a different final drive and bearings

si is much better, ive had both

edit: https://honda-tech.com/zerothread?id=1551508



Modified by welfarepc at 8:20 PM 5/25/2007
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Old May 25, 2007 | 11:45 PM
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Default Re: (welfarepc)

1-5 ratios are the exact same on the dx and si. the final drive is the only difference. 3.88 for the dx, 4.25 for the si.

4.25 will make your car accelerate much faster.

the best way to tell, as someone mentioned, is to rotate the input shaft and observe the rotation of the differential. its in the faq at the top of the page.
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Old May 26, 2007 | 01:22 AM
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heres teh fact right here yall for all the car gear rations... keep the site link.. u might need it
http://www.knology.net/~jedikl...s.htm
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