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#1
05-29-2017, 08:32 PM
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Bob Joehnck "Compelator" for drag racing
Late '60s vintage item as seen in the "How to Hot Rod Small-Blocks Chevys" book. A circular slide rule for the racer who wants to figure top speed, engine rpm, gear ratios and tire diameter for optimum performance. SOLD
Last edited by 1967Z28; 05-29-2017 at 10:27 PM. 
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#3
05-29-2017, 09:35 PM
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So cool!  ~ Pete .
__________________
I like real cars best...especially the REAL real ones!
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