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I had the fortune to try a Kirban shifter the other night and was very impressed with it. The shift effort did not appear to be any greater then my stock unit. Has anyone tried both the Kirban and the Hurst that can comment on shift effort between the two? Also, for those Kirban owners, I have read that the ball on the bottom of the shifter is smaller then stock and that the plastic piece doesn't fit correctly. Is this true?
You really can't compare the shift effort between the two because the Kirban doesn't allow you to adjust the spring tension. As Steve said, with the Hurst you can adjust the tension until it is just right for you. I don't even think about missing a shift with the Hurst. Don't know about the lower ball diameter, I haven't heard anything about it.
Yup - bottom cap fits just fine - just like the stock shifter. Sorry I can't give you a comparison between the two you're looking at! Love the Kirban, though :yesnod:
Is there anything from preventing the Kirban's springs from being adjusted or replaced? I've been told you can just take the top plate off to get at the screws which makes replacing the springs a possibility. So really, the Kirban is (or maybe) adjustable....its just not easy to adjust. :seeya
....Also, for those Kirban owners, I have read that the ball on the bottom of the shifter is smaller then stock and that the plastic piece doesn't fit correctly. Is this true?
I have the Kirban and have driven the Hurst recently. Both are excellent. The Hurst "might" have less shift effort, but we're splitting hairs here. It's certainly a good product.
I've been stroking the Kirban for 2 years with zero problems, and I still love it. When my 2003 Z comes in, I'll swap it into the new car. The "ball" problem (whatever you've heard) is simply not true.
I have had the Kirban for about a year, and its awesome!! The ball on the bottom is the same as stock you will not have any problems. I also made a shorter stick about a inch shorter. NO PROBLEMS great product.
I have a Ripper, and have driven a friends Kirban on two different cars. I'm inclined to say the Kirban is a little easier, but not QUITE as short throws. But I really think there is more variation from car-to-car than there is between the shifters. I've driven cars with Rippers that shift very easy, and others that are much stiffer.
They all seem to get easier after the cars has 5000 miles or more on them. I chose the Ripper because it just looks a little more "beefy" in construction. But I don't think any of them is bad. Also, the shift **** can make a very noticable difference on the short throw *****.
I think that most of the "throw vs. effort" issues have to do with fulcrum point percentages that are designed into the three shifters, based upon all of the many posts on this subject. A silly millimeter of difference would change the throw and the effort a good deal. Add to that different "above the fulcrum" lever lengths and the many **** variations available AND tunnel linkage/tranny variations, and it makes it tough to pick one over the other.
It would be interesting to know exact fulcrum point percentages (i.e., the amount of leverage available) for each one. Then, you could easily choose "effort vs. throw" for any given car.
But the bottom line is, compared to the stock POS, you can't go wrong with any of them. But it might be good to consider that Hurst has had plenty of time to fine tune what Ripper started some time ago, AND they're a shifter company with a legacy reputation to protect. So I have to think that they've done their homework and come up with a good product.
I don't have data on the Kirban, but would like to. Here it is for the Hurst and B&M-
The Hurst raises the fulcrum by 0.6" and lowers handle height by 0.875". This produces a 42% reduction over stock.
The B&M raises the fulcrum 0.8" and lowers handle height by 0.75", producing a 48% throw reduction.
These are the true measurements, which I'm sure most will observe are not the advertised reduction values. Hurst will soon change their labelling to 40% (it was actually less in the original prototype and the label wasn't changed). B&M is quite notorious for misquoting throw reduction on various models. Of course vendors sometimes misquote those numbers, adding to the confusion.
As mentioned above, the side-to-side spring tension is another consideration. And of course there are also differences in quality and housing construction. Shorter throws are not necessarily better as effort inversely increases with throw reduction, and the shift motion becomes more notchy.