Astro Boy Posted July 15, 2008 Report Share Posted July 15, 2008 Alrighty then, I have 4-speed manual 1979 KE-55. It revs almost at the limit at 90km/h and if i were to try and get up to 100 it'l probably blow up, an extra gear will help it get to 100+ without making a huge noise and killing it. What 5-speed gearbox will fit in my 55 no problem? Cheers. Quote Link to comment Share on other sites More sharing options...
WinKE55 Posted July 15, 2008 Report Share Posted July 15, 2008 K50 I would imagine. Quote Link to comment Share on other sites More sharing options...
JiP Posted July 15, 2008 Report Share Posted July 15, 2008 Don't worry, you wont kill it. K40's (4 Speed KE55 boxes) are extremely strong, much stronger than K50's. You can find a 5 speed in some KE55's. They were offered as an optional extra. You find them more in the later square headlight KE55's. Quote Link to comment Share on other sites More sharing options...
harun Posted July 15, 2008 Report Share Posted July 15, 2008 Thats surprising my k40 would go up to 125km and sound find in fourth gear. Quote Link to comment Share on other sites More sharing options...
dfunkt Posted July 15, 2008 Report Share Posted July 15, 2008 i managed to get my old ke70 with k40 above 160km/h (on a private road) Quote Link to comment Share on other sites More sharing options...
JiP Posted July 15, 2008 Report Share Posted July 15, 2008 Yeah, my old K40 got upto 160 Quote Link to comment Share on other sites More sharing options...
irokin Posted July 16, 2008 Report Share Posted July 16, 2008 Top speed aside, just highway crusing with a 4 speed isn't pleasant. You're not likely to nuke your motor but. I drove my KE70 for 4 months with a holden traumatic (auto) and a 4.3 diff on the highway every day. Think ~4300rpm for 15 minutes. A 4.1 diff and a 5 speed brought that down to a much more comfortable 3200rpm. Off the top of my head 4th gear with the 4.1 at 100kmph is about 3900rpm. Find yourself a K50 out of another KE55. Theres probably on in the for sale area at the moment. Quote Link to comment Share on other sites More sharing options...
harun Posted July 16, 2008 Report Share Posted July 16, 2008 This is true, fourth gear highway crusing is not pleasent plus it likes to guzel the fuel. Quote Link to comment Share on other sites More sharing options...
JiP Posted July 16, 2008 Report Share Posted July 16, 2008 Yeah and 4th gear, highway cruising and my exhaust Isn't pleasant either. :) Then again, 5th gear and my exhaust is just as bad. Quote Link to comment Share on other sites More sharing options...
KE20rollabus Posted July 16, 2008 Report Share Posted July 16, 2008 A 5sp gearbox is defitly a good idea for the rolla mate, some bigger diameter tyres would also help considerably :) Quote Link to comment Share on other sites More sharing options...
78_7kRolla Posted July 16, 2008 Report Share Posted July 16, 2008 Or a combination of both like I have :) Quote Link to comment Share on other sites More sharing options...
SLO-030 Posted July 17, 2008 Report Share Posted July 17, 2008 My 25 had 14"s with a ke70 5speed and a stock jap diff. coming back home from a mates with a 4k in the boot. sitting on 100kmh and had a lexus 4wd up my ass honkin and flashing his lights. dropped it back to 4th took off and wound it out to about 150 and grabbed 5th with plenty in reserve, then slowed as speed shakes set it :dance: looks on the people in the lexus was hilarious. i will admit it was on a public highway...um i mean private property,officer. CHEERS Ryan Quote Link to comment Share on other sites More sharing options...
philbey Posted July 17, 2008 Report Share Posted July 17, 2008 ....as speed shakes set it :dance: nasty.....! Time for a wheel balance? Quote Link to comment Share on other sites More sharing options...
muzke30 Posted April 25, 2009 Report Share Posted April 25, 2009 (edited) so swaping my 4spd manual to a 5spd manual in my ke30 is straight swap with at ke50 5spd? what other boxes can i use what modifications do i need to do if any??? Edited April 25, 2009 by muzke30 Quote Link to comment Share on other sites More sharing options...
muzke30 Posted April 25, 2009 Report Share Posted April 25, 2009 http://www.rollaclub.com/faq/index.php?title=Manual_Gearbox i have been looking at this thread and it has given me a lot of info. But i still like to clairfy a few things; if i was to get a k50(5spd) from a Ke30-ke50 i wont have to cut a hole in the floor and gear stick will sit in same possition Extension housings between 4 and 5 speed are not interchangeable so what do i have to do exactly to put a k50 5spd into my KE30. sorry guys just couldnt find the info already out there any help would be appriciated Quote Link to comment Share on other sites More sharing options...
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