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afaik the overrunning clutch is riveted in 904`s. The part attached with screws from the backside of the housing is called output shaft support if i remember correctly. Michael

Ok, back from my Weekend trip and first race in 2019. Everything went smooth, no trouble with the converter or trans. Converter did fine, car picked up some speed (around 2-3 mph) with less rpms (around 2-300 according tach, forgot SD card to datalog via Sniper efi) and the ET improved 2 to 3...

Hi Guys, update here! Transport to and in U.S. took nearly forever.....but few days ago the converter finally arrived at manufacturers place. They checked it, just yesterday i got a call from the owner: they did a mistake, put a wrong stator inside it (one for a 727). He apologized that he did...

no, the trans is not a lock up unit, 4028464 from 76/77. The new custom made converter is also not a lock up unit…..at least i did definitively not order a lock up unit. The converter stator splines inner diameter is much bigger compared to a stock converter, even bigger than the inner Diameter...

removed the trans today, no signs of abnormal wear on the converter hub. But i found sth. strange at the reaction shaft, the Splines are somewhat "gone".....any clue what can cause this? I did not notice this before instalallation of the new converter. Is the shaft still ok, or should i...

Hi, absolutely no signs of foreign material in the fluid. I´ll remove the trans this weekend, will take a pic! Michael

not yet, have to remove trans anyway. Manufacturer got back to me, i´ll send the converter back for checking. Hope all goes well, wanna race end of may. If it´s there and i get a feedback i´ll let you know. Michael

Flexplate is tight. One good Thing: absolutely no signs of metal or other material in the Fluid. Waiting for manufacturers reply..... Michael

yes, bolt is loose just for reference. I removed it to check the length / depth of the attaching holes. Ok, i´ll remove all bolts and check if the Flexplate is tight…..at least it was some years until i put in the new converter. Michael

Ok, took starter out and the inspection cover off. Absolutely no Signs of contact there or at the converter. The bolts are correct length, the mounting tabs are a little longer than the bolts - nothing obviously wrong…..so i´m waiting for manufacturer to come back to me, hope they have some...

Thanks @all for your comments. I´ll check it out more tomorrow after work, will check length of bolts, starter and so on. I´ll contact manufacturer also if they have an idea…..6 weeks to the first race ;-) Michael

i checked the converter snout before Installation, it fit´s perfectly into the crank after removing some paint. The welded on tabs are pretty Long and massive, so i do not think the bolts (ARP 7/16") Bottom out. Installation went smooth without Trouble. Inspection cover removed, no contact...

no, there´s no contact between bolts and block, they are tight. Flexplate is the old one.

Hi Guys, got some Trouble with my new installed 8" custom made converter. I proudly put it in few days ago, made a test drive today (around 15 miles). When i was back home i noticed a strange noise in P and N, in D it was much less noticable. Put the car on the hoist, clearly coming from...

Thanks! so i´ll look more into the locker / truetrac stuff. Michael

i already rebuilt the diff with the Carbon Discs twice….new S-Spring and 75w140 gear oil with friction modifier...i think it just can´t hold up. Thanks for your suggestions, already thought about using a Detroit truetrac diff, but i´d like the spool more. You can´t rely on the calipers to hold...

Hi Guys, i also run a shortened 8.8 in my Valiant, nice upgrade so far. the LSD failed once, did not last very long after i put in new clutches in it. Now it seems that the same problem is coming again (low 11sec car). I´d like to upgrade to a spool, but i know there´s a clearance problem with...

that´s cool. How much was it? I´d like to replace the converter in my car, too. Michael

i got the same question some days ago....check this out: 999 Lock-Up Transmission / change input shaft to non LU? Michel

Ok, thanks for the clarification. i remembered your old thread, was pretty interesting. I did a full rebuild to the trans i mentioned then, now nicely working in my 408 Valiant. And you were right.....it was no 999, but equipped with 4pinion steel planetaries - i think it was a 998. This one...

yes, of course the VB is different if it´s a LU trans. VB is easily changed, i see more Problems in the pump / Input shaft area.

Hi Guys, i found a early 80´s A999 Transmission from a Van for sale, # 4058398. Would like to get it to rebuild it. My concern is if it´s a Lock-up unit, could the Input shaft and if necessary the pump gears be changed to non LU-Parts? Still waiting for pics of the Input shaft to identify it...

Hi Guys, thanks for your feedback! did some racing the last days, could not answer earlier. I put it in with some threadlocker, seems to work. If it´s not leaking, i´ll remove the trans in winter and put in this thread repair kit. Michael

Hi guys, need your help. The neutral safety switch threads in the case of my 904 are pretty damaged. Is there a way to save the case besides welding, like a thread repair? I'd like to save it.....thanks in advance! Michael

Hi, i got a converter for my 904 from Edge Performance, good performance so far. I´ve had good results with of the shelf Turbo Action converters, but there are also another very good companies available: PTC, Dynamic for example. Most of them need a spec sheet from your combination and will...

thank you all for the information. So it seems not the best idea to put one in the axle....if the stock differential fails again it´s spool time. Michael

Hi Guys, i put a Ford 8.8 in my Valiant, after some racing the traction lok did not work as it shoud. I put in a set of carbon discs, everything´s ok for maybe 2 years and not too much racing or street driving - less than 2000 miles. I was at a very good track recently, after two good passes...

yep, same here...did three up til now, never used the shift command feature. Everything´s fine! Michael

my 8.8 from an explorer used a 1330 U-Joint, so go with a conversion joint from 7260 or 7290 (check what you have) to this. Michael

904 is different, and since they only mention it to do to the 727 servo i did not do it in two 904´s i overhauled. No Problem so far. Michael