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The Terminator
Driveline
4r70w holds 1500hp or just a scam?
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<blockquote data-quote="86merc" data-source="post: 12200485" data-attributes="member: 82554"><p>I would recommend talking to Freddy Brown instead of Lentech. For many reasons including shipping, down time, import costs and customer service. </p><p></p><p><a href="http://www.fbperformance.com/" target="_blank">Home</a></p><p></p><p></p><p></p><p>Take a look at the size of a 4R clutch pack and that of a th400. The 4R is smaller. You will wear them faster even if they will hold that kind of power. There are other draw backs as well. The main reason people like the 4R is the lock up converter. I can not see one holding up to 700+ ft/lbs of torque on lock up under load. So you will basically be using extra gear for OD and the efficiency of the converter will determine the MPH and MPG you get out of it. Because with out the benifit of lock out there is not a huge advantage to the trans if the converter is real loose and inefficient. </p><p></p><p>I have a custom built AOD with some 4R parts in my street car. It was spec'd out by me and built by my trans guy. It made 900+rwhp and 750+ rwtq on the base dyno tune, has been pushed harder and has not broke any thing. I do rebuild it every winter. If I had the kind of TH400 I would want in the car it could go 2-3 seasons with out a rebuild.</p><p></p><p>Different ways to go about things. Check out <a href="http://www.clickclickracing.com" target="_blank">Click Click Racing - Click Click Racing</a> as there is a ton of info and helpful people over there. At least you can make a educated decision on you trans purchase.</p></blockquote><p></p>
[QUOTE="86merc, post: 12200485, member: 82554"] I would recommend talking to Freddy Brown instead of Lentech. For many reasons including shipping, down time, import costs and customer service. [url=http://www.fbperformance.com/]Home[/url] Take a look at the size of a 4R clutch pack and that of a th400. The 4R is smaller. You will wear them faster even if they will hold that kind of power. There are other draw backs as well. The main reason people like the 4R is the lock up converter. I can not see one holding up to 700+ ft/lbs of torque on lock up under load. So you will basically be using extra gear for OD and the efficiency of the converter will determine the MPH and MPG you get out of it. Because with out the benifit of lock out there is not a huge advantage to the trans if the converter is real loose and inefficient. I have a custom built AOD with some 4R parts in my street car. It was spec'd out by me and built by my trans guy. It made 900+rwhp and 750+ rwtq on the base dyno tune, has been pushed harder and has not broke any thing. I do rebuild it every winter. If I had the kind of TH400 I would want in the car it could go 2-3 seasons with out a rebuild. Different ways to go about things. Check out [url=http://www.clickclickracing.com]Click Click Racing - Click Click Racing[/url] as there is a ton of info and helpful people over there. At least you can make a educated decision on you trans purchase. [/QUOTE]
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4r70w holds 1500hp or just a scam?
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