Chevrolet Impala SS, Handbook

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SSHandbook
Modifications: Z28 Cluster Swap
Clearance for the new cluster.
More clearance cuts.
4. Optional, but suggested. Drop the steering column.
This helps get the clusters in and out several times.
5. Next you’ll need to cut some of the dash supports
away. See pictures. To do this work slowly and
check often to be sure that you aren’t cutting too
much away.
6. Keep test fitting the cluster. When it looks good,
then cut the left side. You might think “Looks like it
fits ok, why cut the left side?” The answer is, that’s
where the harness adapter plugs in.
Speedometer needle on the right.
7. At this point, you need to turn you attention to
trimming the Z28 cluster itself. You must modify
the cluster by rounding it as much as possible to
match the factory cluster. Be sure not to cut into
any ofthe circuit boards.
8. You may notice the location of the speedometer
needle.
9. Using gravity, flip the cluster around until the
needle rests on zero. Reinstall it in the dash.