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Wide gear ratio or a gear ratio comprimize is all that's left for you.

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Go look at the specs of the Passon OD conversion gearset then come back and comment on compromises and wide gear ratios.

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In a nutshell:

Passon's 5 speed and a standard 833's 1-4 gears are almost identical ratio's, making the 1-2 shift RPM drop the same - from 6000 to about 4400.

Both the TKO's 3.27-1.98 1-2 ratios and the Passon Hemi 4 speed O/D's 2.66-1.59 ratios drop the RPM's on the shift from 6000 all the way down to about 3600. The 2-3 on the TKO drops to 4000, and the 3-4 to about 4400 - the Passon 2-3 to 3800.

So, by the specs - both the TKO and the Passon 4 speed O/D are wide ratio transmissions and a compromise. If you need closer ratios - stick with and 833, or wait on your Passon 5 speed.

Personally, I think both the TKO and the Passon Hemi O/D 4 speed's 6000-3600 RPM drop is an excessive drop for most small blocks, and marginal at best for a big block. The TKO's advantage is a lower 1st gear, and less RPM drop on the 2-3 and 3-4.