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General Minitrail Talk
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Compression question, yet another...
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<blockquote data-quote="69ST" data-source="post: 174318" data-attributes="member: 5"><p>Something just didn't smell quite right. So, I checked the parts manual. H-models came fitted with 18/67 primaries, 24/23 4th gear combo...which is .958, not 1.04. Thus, 14/44 would be the closest sprocket combo, at 3.14.</p><p></p><p>(3.72 x .958) x 3.14 = 11.19</p><p></p><p>FWIW, 14/45 cogs would give a final drive ratio of 10.68, ~4.5% taller. 14/37 would give 9.40...16% taller than stock.</p><p></p><p>FYI...this all depends upon the primary gears being 18/67 and the 4th gear pair being 24/23. If any of those numbers are different, all bets are off.</p><p></p><p></p><p></p><p>Good catch, Mr. B<img src="/styles/default/xenforo/smilies/thumbsup.png" class="smilie" loading="lazy" alt="(y)" title="Thumbsup (y)" data-shortname="(y)" />. That one got right past me...nothing but contrails...</p></blockquote><p></p>
[QUOTE="69ST, post: 174318, member: 5"] Something just didn't smell quite right. So, I checked the parts manual. H-models came fitted with 18/67 primaries, 24/23 4th gear combo...which is .958, not 1.04. Thus, 14/44 would be the closest sprocket combo, at 3.14. (3.72 x .958) x 3.14 = 11.19 FWIW, 14/45 cogs would give a final drive ratio of 10.68, ~4.5% taller. 14/37 would give 9.40...16% taller than stock. FYI...this all depends upon the primary gears being 18/67 and the 4th gear pair being 24/23. If any of those numbers are different, all bets are off. Good catch, Mr. B(y). That one got right past me...nothing but contrails... [/QUOTE]
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Compression question, yet another...
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