As for gearing, a smaller spur gear or larger cb will gear the truck higher (more top speed less acceleration) & a larger spur and/or smaller cb will gear the truck lower (more acceleration and less top speed)
{"assets_hash":"a8b26fa7f6e768b07a72c8c9aadb9422","page_data":{"users":{"4e0323413df955007775117f":{"_id":"4e0323413df955007775117f","hid":91492,"name":"XupypG","nick":"XupypG","avatar_id":null,"css":""}},"settings":{"blogs_can_create":false,"blogs_mod_can_delete":false,"blogs_mod_can_hard_delete":false,"blogs_mod_can_add_infractions":false,"can_report_abuse":false,"can_vote":false,"can_see_ip":false,"blogs_edit_comments_max_time":30,"blogs_show_ignored":false,"blogs_reply_old_comment_threshold":30,"votes_add_max_time":168},"entry":{"_id":"4e1c40999970730077103632","hid":12153,"title":"Передачи","html":"<blockquote class=\"quote\"><div class=\"quote__content\">\n<p>As for gearing, a smaller spur gear or larger cb will gear the truck higher (more top speed less acceleration) & a larger spur and/or smaller cb will gear the truck lower (more acceleration and less top speed)</p>\n</div></blockquote>\n<p><a href=\"http://traxxas.com/forums/showthread.php?8920010-First-upgrades&p=4858414&viewfull=1#post4858414\" class=\"link link-ext link-auto\" data-nd-link-type=\"autolink\" data-nd-link-orig=\"http://traxxas.com/forums/showthread.php?8920010-First-upgrades&p=4858414&viewfull=1#post4858414\" target=\"_blank\" rel=\"nofollow noopener\">traxxas.com/forums/showthread.php?8920010-First-up…</a></p>\n","user":"4e0323413df955007775117f","ts":"2011-07-12T12:39:53.000Z","st":1,"cache":{"comment_count":0},"views":644,"bookmarks":0,"votes":0},"subscription":null},"locale":"en-US","user_id":"000000000000000000000000","user_hid":0,"user_name":"","user_nick":"","user_avatar":null,"is_member":false,"settings":{"can_access_acp":false,"can_use_dialogs":false,"hide_heavy_content":false},"unread_dialogs":false,"footer":{"rules":{"to":"common.rules"},"contacts":{"to":"rco-nodeca.contacts"}},"navbar":{"tracker":{"to":"users.tracker","autoselect":false,"priority":10},"forum":{"to":"forum.index"},"blogs":{"to":"blogs.index"},"clubs":{"to":"clubs.index"},"market":{"to":"market.index.buy"}},"recaptcha":{"public_key":"6LcyTs0dAAAAADW_1wxPfl0IHuXxBG7vMSSX26Z4"},"layout":"common.layout"}