H9 Rear

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Nov 15, 2007 | 09:12 PM

jlw2387

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H9 Rear

I know an H9 is a 3.55LS, but is it a 9" or a 8.8"?

Nov 16, 2007 | 01:09 PM

glc

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From: Joplin MO

Crawl under and read the axle tag.

Nov 16, 2007 | 01:13 PM

kingfish51

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From: Mount Airy,MD

Quote:

Originally Posted by jlw2387

I know an H9 is a 3.55LS, but is it a 9" or a 8.8"?

What year and engine do you have? On 04 up for sure, 4.2 or 4.6 is an 8.8 rear. 5.4 would have a 9.75. I think that is also true of 97-03.

Nov 16, 2007 | 01:41 PM

jlw2387

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It is a 95 with a 4.9L.

Nov 16, 2007 | 02:09 PM

kingfish51

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From: Mount Airy,MD

I would guess an 8.8. Take a look at the tag on the diff. It should say something like 3L55 and 8 8 or 9 75.

Nov 16, 2007 | 02:20 PM

jlw2387

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It has 10 bolts on the cover.

Nov 16, 2007 | 02:41 PM

kingfish51

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From: Mount Airy,MD

Quote:

Originally Posted by jlw2387

It has 10 bolts on the cover.

8.8

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