Do you think the trans can't hold up well due to the launching? Or having a high hp Evo in general?

 

Well you got in a decent run with good MPH Chris. Getting the cars down the track at the power level you are at sucks......good to see you motivated enough to keep trying. Also glad you sorted out the issues with the electrical side of it. I was beginning to doubt myself as the tuner! haha

 

Usually the trans will never break when you launch the car. Other items like transfer case, axles, etc.. will. High rpm/horsepower, wheel spin, and quick gear changes on a so so cheaper option racing clutch is what tears the transmission up. A Tilton clutch is the best answer but also the most expensive option.


Thank bud! The car ran perfect and the tune was mint. I know on a good pass with a more aggressive tune the car should go well into the 160's. I'm down to three options. I know what one will be the best but it is also the most expensive.

Options include:

1. Have current clutch and trans looked over and freshened up.

2. Sell QM clutch and buy a Tilton, keep current trans and have it freshened up.

3. Sell transmission and buy a dogbox, keep QM clutch and have it freshened up.

I want to run the car again soon. Ohio fall weather is right around the corner. The clock is ticking. Anyone want to loan me a dogbox??? Haha.

 

I suggest selling your current trans and go to a Dog Box man. It is the best decision I made and the QM clutch works perfect with it. I have heard good things about the Tilton clutch, but you will still have lock out issues with it from time to time. That's my opinion man, good luck bud

 

My lame *** 163.08 mph pass haha!

 

Yeah man, no offense meant but those shifts are all that kept you from an 8.

The Tilton is the best drag clutch, period, end of story. We ran one of our Stage 1 transmissions in the Bish for over a year with one and I don't know that Kevin or Trent ever missed a gear and power shifted them all. Down side is once is wears out the rebuilds aren't cheap and never shift as good as new fresh one.

We tried a Shep dogbox too, goes into any gear at any RPM, that's for sure. It will also go from 4th to 2nd......didn't care for that option much.

I'm going to stick with this Clutchles four speed in my car, I'll never go back to a manual trans.

 

None taken. Trust me I'm well aware the car will go 8's once I can actually use my driver mod. In due time it will come I guess.

 

An 8 second pass on a sycnhro tranny and a QM is a rarity and there's a reason for it. I didn't get a chance to watch any racing but I was hoping you'd knock that 8 second pass out at the shootout.

Good luck!

 

An 8 second pass on a Synchro tranny with a QM is definitely possible. I did it last year. Your car will go 8s this year Chris no doubt, looking forward to more track updates

 

My personal opinion on the QM's is they are trash, I hate even driving one of them on the dyno. Cheap, yes, good, not in my opinion.

 

So you saying QM twin disc 8-legs clutch isnt any good for track and street driving? Is it that bad of a clutch that make u hate it that much?
I just recently bought it from my friend, so i should just sell it and get what?
I havent install it in my car yet.
But qm twin isnt that cheap. Spending $1500 on it isnt cheap. Exedy twin hd is only $1260 brand new for me, now this is cheaper.

So i just want to get some info from u before i install it thanks

 

Once you learn how to drive the QM 8-leg, its pretty easy. I have no issues with mine as of yet.. (It is the street version, not race) I am able to shift the car at 10,000RPM if I need to like butter. Launches are quite easy as well. Mine has seen mostly street driving and maybe 20-30 passes at the strip so far with no complaints.

I can see amateur drivers who don't drive them often getting frustrated. I was used to it after a few stop and go's.

 

Like Badev0 said, once you get used to the QM 8 leg it's fairly easy to drive. I have used QM clutches since 2007 and they have been improved by a lot since then. I never had any issues with mine. The clutch got me into the 8s on a synchro trans, now it recently got me to the 8.7 mark. After a few stop and go's you get used to it. I recommend them for sure, but that is my opinion though, everyone else has there own

 

My opinion:

The QM is an ok clutch. For driving around town it is fine and easy to adapt to. I thought my Exedy twin and triple disc clutch were easier to launch and modulate clutch slip. The QM can be like a on/off switch sometimes and release point varies depending on how hot the clutch is. The QM is a light clutch and does help high rpm shifts. But it could be better. The clutch discs are very thick and heavy. If they could come up with a lighter disc I feel it would improve the design quite a bit. The PTT clutch for DSM's is a perfect example of how the QM should be. You can tell QM was trying to make the clutch last a long time with how much material is on each disc. I feel the Tilton is best because of the very light weight disc design. But as we all know it is a very expensive clutch and doens't last that long.

When I had a 'fresh' trans and 'fresh' QM the car shifted great. But I don't know how I feel about no-lift shifting it at 9-9500 rpm on a syncro based tranny. I'm sure it can be done but it is very hard on the trans. I can tell you that after 40 passes or so with the QM my trans is showing signs of wear. I have had a lot of lock out issues and that is what is keeping me from running 8's.

I could pull the trans and clutch and have them freshened up. I'm sure the car will shift great but only for a short period of time. It may be enough to let me drive the car the way I want to. I'd honestly like to be able to go all season without worrying about it. I finally have the car setup properly (suspension, power, etc..). I got a quote today from Shep on a dogbox. Well see where things go from here. I know with a dogbox I'll be able to drive the **** out of the car and that is what I want. Anyone want to help sponsor the car to help fund the project lol!!

 

Ill chime in on the QM clutch...

I feel the clutch is a good bang for your buck. However if not setup properly it can be a nightmare. I also feel it is fairly easy to drive, but still a challenging depending on car. Also, like Chris mentioned about NLS on a Synchro tranny at 9500, even if the tranny is built problems can occur. Just recently my 3rd started grinding(possibly clutch fork) and the tranny only has about 2k miles... this was NLS around 9200rpm that caused the current issue.

PS - I also want a Dogbox, but moreso for the street lol