1988 Vert diff ratio
I see that this has been asked before but I'm finding conflicting information. I recently purchased an 88' vert and have started upgrading it. I know the verts have open diffs.I was able to find and purchase a 4.10 lsd and pinion from an 88 non turbo on ebay. My question is does my car have a 3.9 diff or a 4.10 diff and is the swap as simple as putting the new diff in, or do I need to change the pinion as well?
I've found a few threads here saying all verts were 3.9, and i've found some that say only the auto's were 3.9 and the 5spds were 4.1. Mazdatrix has this chart: 79-82 3.909 83-84 12A 3.933 84-85 13B GSLSE 4.076 85 12A 3.909 86-88 5-spd All 4.10 86-88 Automatic 3.909 89-92 Turbo 4.10 89-92 non-turbo, non LSD 4.10 89-90 non-turbo, viscous LSD, "GTUs" only 4.30 93-95 w/manual trans 4.10 93-95 w/automatic trans 3.909 but the information there conflicts with what I've read here. Thanks to all who read this and respond. |
Originally Posted by Promoe2005
(Post 11909003)
I see that this has been asked before but I'm finding conflicting information. I recently purchased an 88' vert and have started upgrading it. I know the verts have open diffs.I was able to find and purchase a 4.10 lsd and pinion from an 88 non turbo on ebay. My question is does my car have a 3.9 diff or a 4.10 diff and is the swap as simple as putting the new diff in, or do I need to change the pinion as well?
I've found a few threads here saying all verts were 3.9, and i've found some that say only the auto's were 3.9 and the 5spds were 4.1. Mazdatrix has this chart: 79-82 3.909 83-84 12A 3.933 84-85 13B GSLSE 4.076 85 12A 3.909 86-88 5-spd All 4.10 86-88 Automatic 3.909 89-92 Turbo 4.10 89-92 non-turbo, non LSD 4.10 89-90 non-turbo, viscous LSD, "GTUs" only 4.30 93-95 w/manual trans 4.10 93-95 w/automatic trans 3.909 but the information there conflicts with what I've read here. Thanks to all who read this and respond. |
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