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1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

Well, Found The Limits Of The 727 Tranny

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Old Oct 17, 2009 | 11:44 AM
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Dont we have similar transmissions? Ive done 30+ PSI boosted launches and never hurt the transmission with stock shafts .
 
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Old Oct 17, 2009 | 12:15 PM
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No, I have a 727. I've done ALOT of boosted launches... Like ALOT... just wore it out over time I guess.

Never seen a 30psi boosted launch before. I bet that was a ride!
 
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Old Oct 17, 2009 | 12:22 PM
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Its not that big of deal , i can do it in mc donalds drive threw
 
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Old Oct 17, 2009 | 12:31 PM
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Originally Posted by DieselMinded
Dont we have similar transmissions? Ive done 30+ PSI boosted launches and never hurt the transmission with stock shafts .
no they aren't similar, 47RE and TF727 are 2 different animals

that is like comparing a Chevy 700R4 and a 200-4R , both are overdrive tranny's but one is WAY stronger than the other.....
 
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Old Oct 17, 2009 | 12:41 PM
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are these 4wd launches chad?

You have a billit input too dont you?
 
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Old Oct 17, 2009 | 12:42 PM
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Originally Posted by Benjamin
no they aren't similar, 47RE and TF727 are 2 different animals

that is like comparing a Chevy 700R4 and a 200-4R , both are overdrive tranny's but one is WAY stronger than the other.....
my 727 in non-OD

Its a strong tranny, real strong, just not strong enough...
It was a stock input...
 
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Old Oct 17, 2009 | 12:43 PM
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No 2wd , stock shafts , i did it with my old turbo and Fratelli Bosio Injectors , really wasnt a big deal just power brake it till the boost gauge pegs and let off the brake
 
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Old Oct 17, 2009 | 12:45 PM
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Oh so your tires were spinning... I can get mine up to 50 just power braking and burning off tires. I broke this in 4hi coming up on teh convertor to take off like drag racing. Try that a few times...
 
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Old Oct 17, 2009 | 12:51 PM
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Originally Posted by RSWORDS
my 727 in non-OD

Its a strong tranny, real strong, just not strong enough...
It was a stock input...
ok Mr. Technical, comparing a ford C-3 (late 70's early 80 technology) transmission and a Ford 4R70W (late 90's 2000's technology), overdrive lockup converter tranny..... GEEEEEEEEEEEEEEEZZZZZZZZZZZZZZ
 
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Old Oct 17, 2009 | 12:56 PM
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Originally Posted by RSWORDS
Oh so your tires were spinning... I can get mine up to 50 just power braking and burning off tires. I broke this in 4hi coming up on teh convertor to take off like drag racing. Try that a few times...
I would but i would probably break my input shaft


 
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