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V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) Driveshafts | Differentials | Gears | Rearends | Clutch | Shifters

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Old 08-13-2010, 07:56 PM   #1
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Testing new Pfadt shifter

Last night Jordan of JDP motorsports installed the new Pfadt shifter for me. First impressions-much easier to shift especially from 2nd to 3rd. It feels like the shifter helps "pull" it into 3rd gear. I can get through all the gears more quickly now. I'll update more after a week driving with it.

SSOOCH had the most difficult part of the job as Jordan and I made him hold the car up as seen in the pic.
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Old 08-13-2010, 08:09 PM   #2
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Very cool. I can't wait to get these.
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Old 08-13-2010, 08:10 PM   #3
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To hell with the shifter, that SSOOCH is one sexy beast! lol
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Old 08-13-2010, 09:40 PM   #4
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Nice!

Doc, you tease...
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Old 08-13-2010, 09:48 PM   #5
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Superbad is superman strong!

I thought about painting mine to match the trim panels. What do you guys think? Ill have to browse the threads to find what might match..
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Old 08-17-2010, 10:38 AM   #6
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Any pictures of it installed inside the car? Was there much clearance on the shift rail and did your pin slide in ok?
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Old 08-17-2010, 03:27 PM   #7
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Great job guys!

Lets use this thread as the "official" development install thread, as there are 6 of you who will be installing the development shifter!
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Old 08-17-2010, 05:17 PM   #8
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Quote:
Originally Posted by CAMAR0 View Post
Any pictures of it installed inside the car? Was there much clearance on the shift rail and did your pin slide in ok?
I have some shots of it installed. As for the clearance and pin question I'll have to defer to Jordan of JDP motorsports. He will chime in.
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Old 08-20-2010, 09:31 AM   #9
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Ill post some feedback and hd video of this next week. Gotta do the encoding / upload Sthis weekend. Stay posted for updates!!!
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Old 08-20-2010, 10:18 AM   #10
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Thanks for posting up guys!

Fast1, SSOOCH, whats up with some more pics!!! Driving impressions etc.
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Old 08-20-2010, 12:10 PM   #11
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We have ways of making people talk.......
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Old 08-20-2010, 12:20 PM   #12
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Don't worry. Some of us have lots to say. We have all been assigned different weeks.
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Old 08-20-2010, 05:00 PM   #13
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I've really enjoyed being a sort of test mule for Pfadt Racing's new shifter. So after a week of driving here are some thoughts:

I really like the shorter throw and the ultra light weight of the shifter. It creates an easier "rhythm" between the clutch and shifter. I feel like I can actually use the power of the car better now. It is a little noisy, (it rattles) when you jump on the throttle, but that is a non issue for me. At cruising speed there is no rattle. I do, however, wish it had the old fashioned ball instead of the stick. It's too small for my hand. It is a little plain looking. Perhaps color matching or a different sort of finish would improve that.

In summary, it's a quality piece and performance is great! It does need more visual appeal.
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Old 08-22-2010, 06:57 PM   #14
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Its about time for some HD folks!!!
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Old 08-22-2010, 07:25 PM   #15
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Here are some more pics for your viewing pleasure.
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Old 08-22-2010, 07:34 PM   #16
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Installation:

The installation went fairly smooth with a few exceptions. One must note that the V6 has a centering spring that needs released before you can drop the shifter down through the body. You can hear some popping in mine now because I yanked on it too hard without releasing it as I had no idea it was there. Due to the design of the Pfadt shifter the driveshaft and chassis bracing does not need to be removed. This cuts a significant amount of time and stress out of the install. Simply reinstall the shifter from the inside of the car. Go below deck and grease the pivot point, reinstall the bearing and o rings, and slide into position.

Driving:

The shifter gives a much more firm feel for the V6 transmission. The AY6 is still a clunky beast but the Uber does its best to tame it. The Uber shifter is extremely light which works to its advantage. The reduced weight helps to offset the loss of mechanical advantage due to the shorter shift. Overall the effort level of the shifts feel similar to stock. I have had minimal noise from the shifter while driving. I have driven a stick about 80% of my life and have never held the stick in the manner that the Uber requires. To drive with this shifter will feel extremely foreign initially. Its kind of like when you get contacts and had glasses all of your life. Despite the fact the glasses aren't there you still repeatedly reach to push the glasses back up. For the first week I kept grabbing for the top of this small shifter. Surprisingly it does not feel that awkward to grab it like a typical shifter ball. I wouldn't do it everyday but it can be done. I would highly recommend this shifter to someone looking for an alternative to the typical Hurst style options. With this part being made of a composite / plastic Pfadt should have the ability to price it as they please and knock out a large chunk of the competition that carries the heftier prices.

If anyone has any questions let me know and I'll do my best to help.
Thanks again Pfadt for this great opportunity to test this awesome product!!!






















Last edited by CAMAR0; 08-22-2010 at 07:45 PM.
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Old 08-22-2010, 07:46 PM   #17
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Pfadt Uber in 1080p!!!
(FYI, If you want to see the HD click at the bottom embedded videos and choose 1080p)

Stock Shifter Removal


Pfadt Uber Shifter - Initial Shifts



Pfadt Uber Shifter - Shifting with boot installed



Pfadt Uber Shifter - Regular driving



Pfadt Uber Shifter - Quick clip / recording shifter sounds


Last edited by CAMAR0; 08-23-2010 at 09:29 PM.
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Old 08-23-2010, 09:28 PM   #18
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This thread is going to be gigantic with all of the pictures and videos we've all taken of the installs!!!
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Old 08-25-2010, 12:46 PM   #19
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hmm...post disappeared. weird. Anyway.. GREAT JOB GUYS! This thread is fantastic.

Jordan, can you explain why the lowering of the x-member wont work in this situation, as with other shifter installs?

And as per your recommendation, we will add the #60 Torx bit to the install instructions.

Also, what do you guys think the rattling is all about? What comparisons can you draw from the Hurst, which apparently rattles, and the Pfadt unit? I drove with this unit in our Camaro all weekend, and honestly did not notice a single time it rattled. This may just be cause I wasn't paying attention to it. But some others have also said they didn't get any rattling so I'd love to figure out when it DOES rattle, why, if possible.
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Old 08-29-2010, 05:55 PM   #20
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Thanks for the opportunity to be a PFADT development member.

The design goals for the PFADT ultralight shifter are quite different from the OEM shifter. Whereas the OEM shifter is a multi-piece design, the PFADT unit is a one-piece design, machined from Ertalyte thermoplastic round stock. The OEM shifter consists of an lower shaft subassembly which is attached to the upper shaft subassembly by a molded hard rubber isolator to eliminate vibration/noise from the manual transmission. the total weight of the OEM shifter with shift knob is approximately 1.9 lbs. In comparison, the PFADT prototype ultralight shifter assembly is approximately 0.8 lbs.



The PFADT shifter reuses the OEM plastic bearing race, rubber washer, and O-rings.



I won't go into too much details on installation as it has been covered in previous posts in this thread. I was able to install the PFADT shifter from the top instead from under the car as the PFADT instruction suggests. First, slide the PFADT shifter through the upper dust boot and through the shifter housing. Get under the car and slide the rubber washer and one O-ring through the ultralight shifter. Then, snap the plastic bearing race on and slide the second O-ring onto the plastic bearing; slide the top O-ring onto the top groove of the plastic bearing race. Make sure when installing the bearing race that the flat side is on top where the rubber washer rests on and the stepped side is at the bottom when it fits onto the retaining plate. Slide the ultralight shifter up into the shifter housing and reinstall the retaining plate and the two bolts. There is not a whole lot of room to work so I would suggest using a swivel head for the 10mm socket to reinstall the two bolts holding the retaining plate. I also used Loctite 242 (blue) on these two bolts and torque is approximately 3 to 4 ft-lb.

I was able to remove the OEM shifter and install the PFADT shifter without removing the driveshaft or the transmission support but it was very tight. From start to finish, it took me almost two hours but I was taking my time (and using jackstands; a lift would help reduce the installation time). Reinstalling the lower dust boot onto the shifter housing was a major PITA. The heat shield edges are very sharp so be careful.





I measured the OEM retaining pin prior to reinstalling to make sure it would fit. The pin diameter is 0.471" and the OEM shifter hole for this pin measures 0.473". The PFADT shifter hole is also 0.471" so it's line-to-line fit (I test-fitted the retaining pin on the PFADT shifter prior to installing to make sure the pin would slide through). The width of the PFADT shifter where this pin goes in is about 0.030" narrower than the OEM shifter.

From inside, the upper rubber dust boot snaps onto the lower groove and the imitation leather shift boot was installed onto the upper groove on the shifter using the provided zip tie. Note: when removing the two factory snap rings, you can use a screwdriver to push them out but put your index finger on the snap rings to prevent them from flying and possibly ending up between the chassis and the heat shield.









After using the PFADT shifter for about a week, I'm starting to get used to the shape of the "shift knob". I don't really care for the OEM shift knob as it is a little on the large size; the PFADT knob is a little on the small size. Since the PFADT shifter can be installed from the top, a larger knob design can be accommodated (the prototype knob diameter is 1.25"; a 1.5" diameter knob may be a better size).

The shift throws are reduced by approximately 25% and the shift efforts are slightly higher as well. There is approximately 3/16 to 1/4" of play measured at the top of the shifter which I consider to be pretty good. Under hard acceleration, the PFADT shifter develops a slight buzzing rattle which I think may be the result of a combination of the play between the ultralight shifter and the transmission shift rod yoke and the lighter weight. The rattle only occurs between 2 and 3 thousand rpms when in 2nd and 3rd gear and goes away when cruising. This vibration-induced rattle also occurs on some other aftermarket shifters. I'm considering tapping some lead weight onto the PFADT ultralight shifter to see if this would eliminate/reduce the buzzing. I made a rough estimate of the resonant frequency of the ultralight shifter and it's approximately 725 Hz. What does your Finite Element Model predict?

Last edited by TCao; 08-31-2010 at 08:52 AM. Reason: fixed typos
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Old 09-13-2010, 08:11 PM   #21
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TCao, thanks so much for the feedback. All of you guys are doing a great job on this install and we appreciate what you are doing! This kind of work ensures that we come to market with a refined component, and leave the snafus to development testing!
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Old 09-13-2010, 10:34 PM   #22
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This thread takes a while to load due to the great pictures. Not sure if Pfadt might want to start a new one.

Well, I won't post any additional pictures since there are great pictures already in this post. I had the Hurst short throw shifter in mine so I can do a comparison of both. Also note that I have the V-6 with the STS Turbo so a little different from our SS brothers. I never liked the stock shifter, didn't like the knob or the feel of the shifter. I went with the Hurst since I liked the old school look and wanted the T handle. The Hurst was great but very noisy vs. the stock. I did not add all of the sound deadeners that Hurst included. I opted to try the Pfadt shifter as I am a big fan of their suspension products and the shifter definitely looked like a road racing shifter.

Pretty simple design. Seems the V-6 had a slightly different shift fork and retaining pin so Camaro (week 2 poster) and I had to do a bit of modifications with the dremel. It worked out fine and we gave our feedback to Pfadt. Other that that, the install went well but I had to install the shifter from the top. Luckily I kept my old parts when I changed to the Hurst as you have to reuse all of the OEM parts.

Once in it was noticeably quiter than the Hurst but still louder than stock. Shift effort felt good, even if its slightly longer than the Hurst. Under spirited driving I didn't care for the flex in the shaft. For me, it was just an odd feeling as I shifted firmly into 2nd but felt the "give" in the shifter. Up to 3rd and same thing. I'm used to putting a lot of pressure when shifting aggressively. I didn't notice it much under normal driving.

At high RPM's the shifter did rattle. I noticed it when I was on a dyno and we were making a pull in fourth gear and around 5000+ RPM I started to hear/see the rattling. Usually when I am that high in the RPM's on the street I have my hand on the shifter so it wasn't as noticeable.

Last observation was the size of the handle part of the shifter. I would normally wear a L or XL glove and for me it was just a bit small. I would have preferred a slightly thicker diameter and slightly taller shaft, about an inch taller and about 1/2 inch thicker or so would probably do it for me. It may have been limited by design (diameter at least) in order to install the shifter from the bottom as it was limited by the hole in the frame. Since the shifter can be installed from the top, I hope that Pfadt will look at potentially increasing the dimensions of the shifter grip.

I am very thankful that Pfadt allowed me the opportunity to test their shifter and hope this will aid in the development of the final product. We never discussed pricing but I would say that Pfadt is on the right track.

Post any questions and will try to answer as best as I can.
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Old 11-11-2010, 04:13 PM   #23
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BUMP for some more afterthoughts?
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Old 11-11-2010, 08:18 PM   #24
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when can we buy them
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Old 11-12-2010, 04:51 PM   #25
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The ring in the v6 rubber shift boot must be lower than the ss because mine wont stay in the channel on the shifter. This is letting more noise/air into the cabin. Shift feel is same as when installed. Still getting a slight rattle/noise feedback from the trans at certain rpms due to less dampening of the lighter part.
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