mikymu

Hey Guys, I have some trouble shifting from 2nd to 3rd gear at RPM higher than 6K on the track. This problem is most noticeable accelerating up the straight of Laguna Seca before turn two. 1/2 of the time the gear will grind going from 2-3. No problem down shift in any gear of up shift in any other gear. What gives?? I have tried giving it a pause and it helps (totally kills my momentum on the track!) and shifting at lower RPM also helps. Is there any way to fix this problem? Better engine mount? transmission links or fluid? shift mechanism?

Here is what fc-racer's assessment of the problem

Schmidts Cat

Known experience. How long have you been at it? You will get used to it. Seems like it's related to the torque on the engine/mounts......moving everything a little. If I recall, it's a hair further to the right.

mikymu

Well, I never had this problem until I got faster and push harder with my RS. No problem ever going from 2nd to 3rd on street or at Thunderhill but somehow that uphill straight at Laguna gave me hell. Perhaps the car is really under load going uphill ... slight pause before shifting into 3rd helps but that kill momentum. Wevo engine mount to the rescue??

mooty

^ trust me, go faster in the esses at TH, you WILL have 2nd to 3rd shifting issue.

996FLT6

I have the r/p so never have to go from 2-3 thru the esses but fk downshifting from 5-4 before t1 is not confident inspiring. Mike

mikymu

I will have to push harder next time to know ....

lol ... Porsche tranny linkage sucks?

Harold

Is there any solution? I thought I was the only one with an issue of 2nd to 3rd on right handers till I read mikymu's thread on 6speed. Weird as mine occurs always on a right hand sweeper at Sepang, at high rpm though....

996FLT6

I popped my pressure plate/ clutch assembly when went 5 to 2 with Mooty behind me. He was scared I would spin back on track and collect him. I'm very careful with 5-4 now. Mike ps- shift linkage is flimsy plastic with plastic threads- what's that all about? Mike

996FLT6

By the way also did the 997 shifter mod- still sloppy : (. Mike

mikymu

You too Harold? Man, our tranny is pretty crappy. One more thing to DIY ...

... I thought John has ***** of steel lol

weak plastic linkage ... I may have to get a better made after market shifter from GMG

Bob Rouleau

The 2-3 upshift under load is a known and common problem with our cars. The only solution is to shift more slowly.

amaist

The solution is to relax.

And naturally it will always be at high rpm. It's kind of the the point of shifting from 2nd to 3rd, no? You run up to redline so fast that you need to shift up.

At my local track(Tremblant) there is a spot that forces me to short shift 2-3. If I wait too long and let it reach the rpm limit I will be already turning even if seemingly gently. The car will let me know I waited too long.
Although, I think that if I drive the car like a man the problem will go away. I will have enough speed to take the corner in 3rd

GrantG

That might be the problem - there is no linkage, just cables.

lawjdc

or get Wevo motor mounts . . .

mikymu

I want a sequential!!

LOL

I really try hard to relax and even sing a song or two in my head before popping into 3rd ... still sucks. We are suppose to shift w/o even worry about taking a pause etc. You said it. I will make all corners real man's corner and take it 3rd gear @ 75 mph+

YES! next mod for sure