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Old May 31, 2008 | 06:45 PM
  #1  
John M T's Avatar
John M T
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transmission questions

Hi all,
a few questions.

99 f350 7.3 c/c dually
I run all synthetic fluids, and have a large tranny cooler, also tranny gauge, and will be towing a 15000 lp trailer

how much HP can the stock tranny take before upgrades? I read 500 hp
how about the stock Torque Converter?
How much does a valve body upgrade help?

with the trailer listed above, will my tranny and t/c be safe?

what upgrades if any do I HAVE to make, or in general should I make?

thanks in advance

John M T
 
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Old May 31, 2008 | 07:24 PM
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rbaker6336's Avatar
rbaker6336
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From: Blairsville,Ga
don't know who stated 500 Hp but the trans is the weak link in these trucks but should be good a 300 HP
the trailer you list is no problem as long as the trans doesn't overheat
A performance valvebody is a good upgrade at any HP
 
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Old Jun 1, 2008 | 10:38 AM
  #3  
John M T's Avatar
John M T
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Thanks Ray

for responding, the 500 HP tranny rating came from an article in either
8-Lug magazine, or it was Diesel Power mag.

so you think the stock T/Q would be fine, just get a valve body?
can you recommend one?

thanks

John M T
 
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Old Jun 1, 2008 | 10:59 AM
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rbaker6336
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From: Blairsville,Ga
John Wood or BTS seem tobe the favorites I prefer John Wood
A DP tuner Dp Tuner is good to add with a valve body;the tow tunes make the trans shift better
Factory Tech also makes a good VB
 
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