C4 24 spline input shaft The '70 and up output shaft has longer splines which will fully engage the planetary splines preventing them from stripping out. Our Fully Hardened Input Shaft is of the 24/26 spline variety. 839-inch 26/24-spline input shaft, meaning the torque-converter side is 26-spline and the clutch hub is 24-spline. C4- 24 Spline Hardened Input Shaft. 788 From 1964 through 1969, the C4's made had a 24 spline input shaft and front hub assembly, and with the lower spline count came a slightly smaller diameter on the input shaft. Shaft is made to handle high horsepower applications in cars using performance enhancers such as turbochargers, nitrous, superchargers as well as for competition off-road trucks. It's almost impossible to find one that large with a 24 spline since late-model C4's, C5's and C6's all used a 26 spline. 788 for restoration only/mild performance) 24 spline converter: 1970 only: 26 spline trans : 26 spline converter: 1971-up: 24 spline trans : 26 spline converter The early model C4 (1964–1969) used a . Aug 13, 2007 · The best C4 to build is '70 or newer with the larger input shaft. The early model C4 (1964–1969) used a . 788-inch 24-spline input shaft, which was upgraded in 1970 to 26-spline and . Jul 29, 2006 · I have a C-4 from 1964 with a spline of 24. Shaft comes in the Vaccu Melt 300 C4 Input Shaft. Dec 20, 2005 · The weak link of the early C4 isn't the input shaft but the output shaft. What other parts do I need to it change tailshafts, or are the shafts interchangeable? Thanks for the great info. 839-inch shafts, and forward clutch hubs can take more punishment than the smaller . Motor Vehicles . Mar 29, 2014 · Will the thrust washers, drum, planetaries, bands and clutches from a `68 C4 fit in a `74 C4? What parts will interchange? I have a fresh rebuilt 24 spline, and a 26 spline that needs a couple of washers to make it fresh. Jan 14, 2007 · you duel combo is the 1971+ unit. 0 out of 5 stars Apr 25, 2015 · Just planning ahead,,, I will be rebuilding a 65 Mustang C4 tranny (case filled), From what I have found,, that year/model C4 has a 24 spline input shaft,,, and I'm wondering if I can either swap that to a larger 26 spline shaft, or if someone make a conversion shaft for the swap. Part Number: TOS-4L80SH 2. 5 bolt pattern to fit a 164 tooth large flexplate that mates to a '69 C4 with a 24 spline input shaft. Both the 26/26- and the 26/24-spline, . 839" diameter. Teh 24 spline converter was 1969 older. Jul 12, 2003 · Yes, the later, 26 spline C4 is the one to beef as it is markedly stronger than the earlier version. This year range is still desirable, as its case is identical to the 70-81 case fill C4 transmissions, so the old 24 spine parts can be upgraded to 26 spline. I highly recommend Accurate Transmissions to anyone trying to mix and match anything. Any C4-equipped car with heavy modification needs an input shaft constructed of superior metal with proper heat-treating. Made to fit post-1970 C4's, Dynamic Racing Transmission's hardened shaft, especially when combined with our Solid-Strength Forward Drum, has proven itself countless times in street driven hot rods and competition vehicles as Ford C4 Transmission Maraging Billet Input Shaft 24/26 Spline Combination C4 Billet Steel 300 Maraging Input Shaft Made from high strength 300 Maraging for superior fatigue and fracture resistance. TCI Hardened Input Shafts are constructed from hardened, aircraft quality Vaccu Melt 300 billet steel or Vasco 300 high strength steel. The upgrade also included a matching clutch hub of 26-spline. In 1971, Ford went to a . identify the correct input shaft for your ford c4: 1964-1969: 26 spline trans: 24 spline converter: 1964-1969: 24 spline trans (early - . 26 on the outside, 24 on the inside. . I have it installed in a 1969 mustang. Custom forging from 4340 non twist steel produces the toughest shaft around. This Vaccu Melt 300 Billet Steel Ford C4 Input Shaft provides simply the highest rated tensile strength capacity in the industry. I want to upgrade my torque converter, but most of the after market torque converters have 26 spline. In 1971, Ford changed the shaft again, this time to a 26 spline converter end and 24 spline Forward Drum end with a . Dec 9, 2003 · Mine is a ford lockup with an 11. Automatic Transmission Input Shaft, 4L80E 300M Extended Spline Input Shafts, Chevrolet, Each. Jul 29, 2006 · I have a C-4 from 1964 with a spline of 24. DYNAMIC builds the very best racing transmissions anywhere! Apr 25, 2015 · All you need is a new input shaft for a 26-spline converter and 24-spline pump. THe stock shaft wil hold up to 500-600 HP if you have a good welded drum on the other end. Models: Built for strength, designed for competition and trusted for its reliability, the hardened input shaft from Performance Automatic is a welcome addition no matter what your application. I saw one on eHay for $25. 839-inch. WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. As noted, it does have an input shaft with 26 splines on the convertor end and 24 on the forward drum end. rwjox ynvo whnbcu vhub ocdh zfugg zohpcjdz cvfsx ohcsu ewfq mrq hnwcdwk mjkd tzj yus