Go Back   Ford Truck Enthusiasts Forums > Misc. > Clutch, Transmission, Differential, Axle & Transfer Case
Sign in using an external account
Register Forgot Password?


Welcome to Ford-Trucks Forums!
Welcome to Ford-Trucks.com.

You are currently viewing our forums as a guest, which gives you limited access to view most discussions and access our other features. By joining our community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join the Ford-Trucks Forums community today!





 
Reply
 
 
 
 
LinkBack Thread Tools Search this Thread
  #1  
Old 04-09-2011, 01:50 AM
401477534 401477534 is offline
Senior User
 
Join Date: Sep 2010
Location: North Idaho
Posts: 129
401477534 is starting off with a positive reputation.
How much power can a stock c6 take?

I have a 78 Ford with a 521 v8, making about 550hp and about 550 ft lbs. Its in front of a stock c6 other than a shift kit. It could make alot more torque, I am wondering if that c6 can handle 650 ft lbs? Id like to have it last a while...the tranny has a 109,000 miles on it.

add on: well drove it again, and its starting to wear out. its not unheard of that a c6 with a stock engine in front of it will last 200,000 miles...stock tranny is meant for 250 ft lbs input torque. im 55 to 60% over that, do the calculations and the transmission will start getting worn out around a 90,000-110,000 miles.
Reply With Quote
  #2  
Old 04-09-2011, 11:06 AM
Ford_Six's Avatar
Ford_Six Ford_Six is offline
Super Moderator
 
Join Date: Oct 2002
Location: Washington
Posts: 16,580
Ford_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputation
At that mileage, I'd rebuild it before expecting it to handle much more than a stock big block. A fresh stock C6 would handle that, but not for too long.
__________________
Jared
Real trucks have the key on the left
FTE Guidelines
Reply With Quote
  #3  
Old 04-09-2011, 06:40 PM
401477534 401477534 is offline
Senior User
 
Join Date: Sep 2010
Location: North Idaho
Posts: 129
401477534 is starting off with a positive reputation.
Quote:
Originally Posted by Ford_Six View Post
At that mileage, I'd rebuild it before expecting it to handle much more than a stock big block. A fresh stock C6 would handle that, but not for too long.
well its still seems to hold okay
Reply With Quote
  #4  
Old 04-09-2011, 06:47 PM
85e150six4mtod 85e150six4mtod is offline
Post Fiend
 
Join Date: Apr 2004
Posts: 16,215
85e150six4mtod has a superb reputation85e150six4mtod has a superb reputation85e150six4mtod has a superb reputation85e150six4mtod has a superb reputation85e150six4mtod has a superb reputation85e150six4mtod has a superb reputation85e150six4mtod has a superb reputation85e150six4mtod has a superb reputation85e150six4mtod has a superb reputation85e150six4mtod has a superb reputation85e150six4mtod has a superb reputation
Somewhere in the area you are talking, north of 500 horse, the case will flex. They used to put a girdle on them where the pan bolts up, but not sure if that "fix" worked or is still used today.

Check outfits like this for the list of parts they add for high power applications:

TCI Auto: Super StreetFighter™ Transmission; '66 & Later FE C6 13 1/2" Tailshaft (332/352/390, 406, 427, 428)
Reply With Quote
  #5  
Old 04-10-2011, 10:56 AM
Scolesy8's Avatar
Scolesy8 Scolesy8 is offline
Senior User
 
Join Date: Aug 2007
Location: Ohio
Posts: 349
Scolesy8 is starting off with a positive reputation.
i put a TCI streetfighter in my truck... burnt up last summer, so i found heaver and put that in over winter.... second gears almost gone and its only april.. so im goin 2 a 4spd
__________________

'77 F250. Built not Bought.
'99 F350 Powerstroke
Reply With Quote
  #6  
Old 04-11-2011, 06:12 PM
401477534 401477534 is offline
Senior User
 
Join Date: Sep 2010
Location: North Idaho
Posts: 129
401477534 is starting off with a positive reputation.
Quote:
Originally Posted by Scolesy8 View Post
i put a TCI streetfighter in my truck... burnt up last summer, so i found heaver and put that in over winter.... second gears almost gone and its only april.. so im goin 2 a 4spd
I drove it again the other day, it is actually getting tired. When i drove it normally it shifted fine but when i got on it real hard it jumped from the 2-3 shift....couple hundred rpms...It did that for the past few thousand miles at all throttle positions when my brother had it, so i adjusted the band and it shifts fine at normal throttle, but when the pedal is in the fun position it slips a bit.
Reply With Quote
Old 04-11-2011, 06:12 PM
 
 
 
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
Head Bolt/Stud Tech thread... RacinNdrummin Pre-Power Stroke Diesel (7.3L IDI & 6.9L) 26 09-29-2014 12:01 PM
Lincoln continental c6 rebuild kit? 401477534 Clutch, Transmission, Differential, Axle & Transfer Case 1 04-18-2011 11:52 PM
C6 to E4OD Diesel Transmission/E4od input torque? 401477534 Clutch, Transmission, Differential, Axle & Transfer Case 4 04-12-2011 12:06 AM
Need a torque converter slayerman54 1987 - 1996 F150 & Larger F-Series Trucks 8 04-02-2010 11:52 PM
horsepower ? nflfreak43 Small Block V8 (221, 260, 289, 5.0/302, 5.8/351W) 22 12-02-2008 07:20 PM


Go Back   Ford Truck Enthusiasts Forums > Misc. > Clutch, Transmission, Differential, Axle & Transfer Case

Tags
9, c6, clutch, corvette, ford, handle, hold, horsepower, hp, hptq, power, stock, transmission, truck, use

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On

Forum Jump



All times are GMT -5. The time now is 01:57 PM.


Powered by vBulletin® Version 3.8.7 AC1
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Advertising - Terms of Use - Privacy Statement - Jobs
This forum is owned and operated by Internet Brands, Inc., a Delaware corporation. It is not authorized or endorsed by the Ford Motor Company and is not affiliated with the Ford Motor Company or its related companies in any way. Ford® is a registered trademark of the Ford Motor Company.

vbulletin Admin Backup