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Fifth Gear conversion

Posted: Sun Oct 05, 2008 2:01 pm
by khem
helloo...this is my first time in yr forumm....so do bare with me..

i'm planning to service my gearbox (change beaings,seals,etc). however i'm wondering if it's possible for me to replce my sj413 fifth gear with the lower samurai fifth gear. Is that possible, will it work, and does it make much of a difference when all is said and done.
am looking forward to yr responces...thank you.

Re: Fifth Gear conversion

Posted: Sun Oct 05, 2008 4:48 pm
by bourneyo
1st of all welcome to the forum!

In theory you can put the lower ration 5th gear in as all the cases (includin the 4gr) are the same.but why would you want to? why not just put a samurai case in and lower the gears all through the range?

Dan 8-)

Re: Fifth Gear conversion

Posted: Sun Oct 05, 2008 6:10 pm
by khem
where i'm from, the are few sj's, most of which are really oldd....so to find a sammy gearbox will be expensive and will prob be in bad shape. so since i'm planning to redo mine...do u think i should go ahead and change it?

Re: Fifth Gear conversion

Posted: Sun Oct 05, 2008 9:39 pm
by bourneyo
Have just had a look at the gear ratios, the 413 box and the sammy box are the same up to 4th, then 5th is 0.86 in the 413 box and 0.79 in the sammy. Personaly i dont think it would make much of a difference. And I personaly wouldn't go through all the hassel of fitting the sammy 5th gear. Would be interesting to hear if you thought there was much of a difference if you did go ahead with it.

out of interest where are you based??

Dan 8-)

Re: Fifth Gear conversion

Posted: Sun Oct 05, 2008 10:43 pm
by khem
i assumed that it would improve highway miles as well as beef up the high end speed a bit :D
i'm based in Guyana, South America....was once a British colony..so we're related:D

Re: Fifth Gear conversion

Posted: Thu Oct 30, 2008 9:46 pm
by firemansam
high? end? speed?

what are the meaning of these words in sj world? :lol: :lol: