Editing Transmission coolers
Line 1: | Line 1: | ||
==Overview== | ==Overview== | ||
− | Most vehicles with automatic transmissions came from the factory with a transmission cooler mounted in the radiator. Some have auxiliary coolers, too. Air cooled automatic transmissions were only rarely used, some 50s Fords, 1961-'63 GM compacts and some Powerglide applications were air cooled | + | Most vehicles with automatic transmissions came from the factory with a transmission cooler mounted in the radiator. Some have auxiliary coolers, too. Air cooled automatic transmissions were only rarely used, some 50s Fords, 1961-'63 GM compacts and some Powerglide applications were air cooled. |
− | + | ||
− | + | ||
==Cooler types== | ==Cooler types== | ||
===Stacked plate=== | ===Stacked plate=== | ||
− | + | The low pressure drop (LPD) stacked plate cooler is considered to be top of the line. The stacked plate design has good cooling vs. size and can be mounted in smaller spaces than other coolers. | |
− | |||
− | |||
===Fin and tube=== | ===Fin and tube=== | ||
− | |||
− | |||
The fin and tube coolers are cheaper to manufacture but are larger per amount of cooling capacity than the stacked plate design. If there's adequate space for mounting, the fin and tube can do a good job. | The fin and tube coolers are cheaper to manufacture but are larger per amount of cooling capacity than the stacked plate design. If there's adequate space for mounting, the fin and tube can do a good job. | ||
===Inline=== | ===Inline=== | ||
− | |||
These are used when space is at a premium. Often mounted along frame rails or other out of the way locations. This type generally doesn't cool as well as coolers with better airflow, but are better than not using an auxiliary cooler. | These are used when space is at a premium. Often mounted along frame rails or other out of the way locations. This type generally doesn't cool as well as coolers with better airflow, but are better than not using an auxiliary cooler. | ||
Line 23: | Line 16: | ||
==Transmission case fitting threads== | ==Transmission case fitting threads== | ||
− | === | + | ===TH350=== |
− | The threaded case port on the | + | The threaded case port on the TH350 is either a female 1/4-18 NPSM (National Pipe Straight Mechanical) thread, and it uses a metal washer/seal. The straight thread fitting is the most common. |
Or it will be a 1/4-18 NPT (National Pipe Tapered) thread. | Or it will be a 1/4-18 NPT (National Pipe Tapered) thread. | ||
Line 30: | Line 23: | ||
There are also fittings to use AN cooler lines from the case (see photo below). | There are also fittings to use AN cooler lines from the case (see photo below). | ||
− | === | + | [[File:An fittings th350.jpg]] |
+ | |||
+ | ===TH400=== | ||
==Fitting to case torque== | ==Fitting to case torque== | ||
− | === | + | ===TH350=== |
*Straight fitting to transmission case is 20-25 ft/lb | *Straight fitting to transmission case is 20-25 ft/lb | ||
*Tapered fitting to transmission case is 15 ft/lb. | *Tapered fitting to transmission case is 15 ft/lb. | ||
− | === | + | ===TH400=== |
− | * | + | *TH400 fitting to transmission case is 28 ft/lb. |
==Direction of flow== | ==Direction of flow== | ||
Line 47: | Line 42: | ||
So- OUT the bottom, IN the top. | So- OUT the bottom, IN the top. | ||
− | {{Note1}}All except | + | {{Note1}}All except TH200C and TH2004R- which are opposite of the above. |
==Cooler line routing== | ==Cooler line routing== | ||
Line 58: | Line 53: | ||
==Cooler orientation== | ==Cooler orientation== | ||
[[File:COOLER MOUNTING.jpg]] | [[File:COOLER MOUNTING.jpg]] | ||
− | |||
− | |||
− | |||
<br><br> | <br><br> | ||
− | + | {{newarticle1}} | |
[[Category:Transmission]] | [[Category:Transmission]] | ||
+ | [[Category:Cooling]] | ||
+ | [[Category:Undeveloped articles]] | ||
+ | [[Category:Undeveloped Cooling articles]] | ||
+ | [[Category:Undeveloped Transmission articles]] |