Can i not shift or is it the tranny??

[Moneypit101]

I just did the 5spd swap and im having trouble in the lower gears its really harsh downshifting and going from 1st to 2nd...my friend says "gets some redline in that bitch and itll slip right in" well it seemed ok right after i did the swap but it got bad after like 2 weeks but its not grinding its just hard to get it fully into gear..

 

[speed]

harsh downshifting as in the car bucks? The gears grind? the shifter is hard to put into gear? pops out of gear?

 

[Moneypit101]

dosnt grind bucks a lil when im letting out clutch but like actually putting it into gear...like when u try to get into reverse sometimes and its not lined up kinda feeling thats what it feels like

 

[suprakid24]

may be the syncros (sp?)

I think I have read something about them going out.

 

[suprajjang]

You seemed to be shifting fine when i rode with you. So this problem is off and on? Also this oil really helped my tranny

 

[speed]

Yea, it sounds like you might have some bad synchro's. And def change the tranny fluid. Does it happen when you drive hard, or even when you're being very gentle with the clutch?

 

[AF1JZ]

That's what I have in my R154. It seems to be pretty good stuff.


He isn't trying to downshift in too high of an RPM is he?

 

[suprajjang]

That's what I have in my R154. It seems to be pretty good stuff.


He isn't trying to downshift in too high of an RPM is he?

Good question. When i rode with him he shifted fine but i didnt see him downshift at all so guess he will have to comment on that.

 

[Moneypit101]

actually its better when i drive hard..... lol maybe its cause i slam the gears....but no im not that dumb i dont try to downshift into 1st from 50mph lol:biglaugh: but thats weird i mean the tranny only has 76k on it and i havent grindded gears in it yet...ill try to fluid and if that dosnt fix it i say 6spd lol jp

 

[speed]

Yea, make sure it has enough fluid in it. If its still doing it, I'd be betting you have a bad synchro.

 

[Fletch124]

R154's are naturally smooth trannies.

 

[AF1JZ]

R154's are naturally smooth trannies.

From what I hear, the W-58 is much much smoother. I'd have to say that mine doesn't grind and it goes into gear pretty easy. But, I wouldn't say it is naturally smooth. When I drive mine, it feels like a real beefy tranny (which I like).

 

[Moneypit101]

part of my prob is i dont rev match lol i cant drive

 

[super.secret.supra.club]

i have a really bad R-154. shifting it grinds and its very hard to put into gear. hanged gear oil using Royal Purple 75-90 and DAMN! shifting twice as goo now. still grinds of course cuz of synchros but no more stuck gears.

ed.d.

 

[suprajjang]

Yep i think i just figured his downshifting problem lol

 

[Poodles]

First off, I hope you're joking about R154's being smooth trannies. They are some of the notchiest bitches I've ever used, but I like the feel

i have a really bad R-154. shifting it grinds and its very hard to put into gear. hanged gear oil using Royal Purple 75-90 and DAMN! shifting twice as goo now. still grinds of course cuz of synchros but no more stuck gears.

ed.d.

I went from normal gear oil, to RP Max Gear and it went into reverse easier, but it ground worse (it's TOO SLICK). I went to RP Syncromesh and it was horrible (far too thin for our trannies). I went to the Red Line MT90 and I RARELY get a grind, even when downshifting aggressivley into first.

RP is TOO SLICK for the syncros and won't function properly causing it to grind more and cause other issues. Use Red Line...

Another thing to add is reverse is notorious for being tough, even the owner's manual has a blurb on it. Best thing to do is push the clutch in, wait 5 sconds then try reverse. It shouldn't grind, clunk, or fight you. If it doesn't go right in, put it in neatral, release the clutch, then try again.

 

[jdub]

i have a really bad R-154. shifting it grinds and its very hard to put into gear. hanged gear oil using Royal Purple 75-90 and DAMN! shifting twice as goo now. still grinds of course cuz of synchros but no more stuck gears.

ed.d.

Poodles is correct...you do not want to use RP in the R154. Read this

http://www.supramania.com/forums/showthread.php?t=44485

 

[vas85]

Interesting topic about this thread, mine has a meaty shift / hard to sometimes get in if it's not warmed up, but since I wait 2-3minutes for idle it's been perfect ever since, guess cold gearboxes dont like to be messed with.

I do heel'and'toe almost everytime it's just habitual.... and I feel lt's a much more progressive and sure way for my braking.. even if you're not braking 'fast'.

 

[suprajjang]

Interesting topic about this thread, mine has a meaty shift / hard to sometimes get in if it's not warmed up, but since I wait 2-3minutes for idle it's been perfect ever since, guess cold gearboxes dont like to be messed with.

I do heel'and'toe almost everytime it's just habitual.... and I feel lt's a much more progressive and sure way for my braking.. even if you're not braking 'fast'.

my car is the exact same way. I wait until it warms up because its really difficult to shift gears when the car is still cold

 

[fiyota]

Put in some MT90... Make sure to change the gear oil when it's warm... so drive it around a bit then go right home and drain out w/e you have in there... Put in MT90... Done.

/Thread