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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

trani swap

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Old Mar 5, 2006 | 04:28 PM
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59flatbedford
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trani swap

hello out there i need some help i have a 59 ford pickup with a t98 4speed transmission and i have a t18 4speed that i want to swap out but the input shaft on the t18 is about a half inch different in length and is smaller around so can i chang clucths and use my bellhousing or do i need a differnt bellhouseing or can i switch the input shaft from one trani to the other im looking for some info any would be helpful
 
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Old Mar 6, 2006 | 10:40 AM
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Old Mar 8, 2006 | 07:35 PM
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Why change? Aren't those transmissions about the same? If the T18 is toast, it'd be cheaper to find another one.

You can get a bellhousing modified to take a T-5. $249 exchange from http://www.ford-y-block.com/isix.htm
 
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Old Mar 8, 2006 | 09:07 PM
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well i believe the t18 is sycronized unlike the t98 plus my trucks a 59 cab on a 61 frame and 63 axels and the t18 came in the 61 frame and the t98 tail shaft is different so my drive lines wont work with the t98
 
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Old Mar 8, 2006 | 11:16 PM
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When I changed engine and tranny in my 56 I ran into the same driveline problem. I ended up changing the front yoke on the driveshaft to fit the t-18. Can't help on the clutch side. Have heard both sides yes and no about bellhousings. If i remember correctly there is about an inch and a half difference in the length between engine and gearbox of the two bellhousings.
 
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