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904 vs 727 #454257 08/30/09 07:37 AM 08/30/09 07:37 AM
Joined: Sep 2007 Posts: 52 Westlake, Ohio, USA M Milan OP member
Milan OP member M Joined: Sep 2007 Posts: 52 Westlake, Ohio, USA	Is these a difference in the bellhousing bolt pattern on a 904 trans vs a 727 trans? Thanks Milan

Re: 904 vs 727 [Re: Milan] #454258 08/30/09 07:47 AM 08/30/09 07:47 AM
Joined: Jan 2003 Posts: 4,247 Newfoundland C codfish master
codfish master C Joined: Jan 2003 Posts: 4,247 Newfoundland	A smallblock 727 and a smallblock 904 would be the same, but a bigblock 727 would be different. No bigblock 904s. codfish

Re: 904 vs 727 [Re: codfish] #454259 08/30/09 08:35 AM 08/30/09 08:35 AM
Joined: Dec 2007 Posts: 830 east coast Otherlane super stock
Otherlane super stock Joined: Dec 2007 Posts: 830 east coast	So true! there's weight difference

Re: 904 vs 727 [Re: Otherlane] #454260 08/30/09 08:54 AM 08/30/09 08:54 AM
Joined: Jul 2007 Posts: 11,836 Florida M mopar346 Let me tell ya about fat chicks!
mopar346 Let me tell ya about fat chicks! M Joined: Jul 2007 Posts: 11,836 Florida	Isn't there a differences in the amount of HP it takes to run it. 904 being less?? Careful, your character's showing!

Re: 904 vs 727 [Re: mopar346] #454261 08/30/09 09:16 AM 08/30/09 09:16 AM
Joined: Oct 2005 Posts: 739 Florida 4 408Dust super stock
408Dust super stock 4 Joined: Oct 2005 Posts: 739 Florida	904 is faster and so much easier to remove then a pig 727.Wish I had started with the 904 to begin with.

Re: 904 vs 727 [Re: mopar346] #454262 08/30/09 11:03 AM 08/30/09 11:03 AM
Joined: Jul 2006 Posts: 4,595 On the south side of Nowhere S S/ST 3040 master
S/ST 3040 master S Joined: Jul 2006 Posts: 4,595 On the south side of Nowhere	Quote: Isn't there a differences in the amount of HP it takes to run it. 904 being less?? Parasitic HP

Re: 904 vs 727 [Re: S/ST 3040] #454263 08/30/09 11:06 AM 08/30/09 11:06 AM
Joined: Jul 2006 Posts: 4,595 On the south side of Nowhere S S/ST 3040 master
S/ST 3040 master S Joined: Jul 2006 Posts: 4,595 On the south side of Nowhere	FYI ........ 5450363-DSCN2391.JPG (141 downloads)

Re: 904 vs 727 [Re: S/ST 3040] #454264 08/30/09 11:27 AM 08/30/09 11:27 AM
Joined: Jan 2007 Posts: 3,695 nc E emarine01 master
emarine01 master E Joined: Jan 2007 Posts: 3,695 nc	Hummm Maybe thats why most everyone has gone glide that is competitive in the mud I guess I need to find out if a glide for a 4x4 has the same output shaft as a 727< doughtfull>

Re: 904 vs 727 [Re: emarine01] #454265 08/30/09 12:21 PM 08/30/09 12:21 PM
Joined: Jan 2003 Posts: 5,894 Florida Locomotion master
Locomotion master Joined: Jan 2003 Posts: 5,894 Florida	Quote: Hummm Maybe thats why most everyone has gone glide that is competitive in the mud I guess I need to find out if a glide for a 4x4 has the same output shaft as a 727< doughtfull> Careful, you'll probably need to tweak the engine, converter and final gear to optimize them for use with only 2 speeds!

Re: 904 vs 727 [Re: Locomotion] #454266 08/30/09 12:57 PM 08/30/09 12:57 PM
Joined: Jan 2007 Posts: 3,695 nc E emarine01 master
emarine01 master E Joined: Jan 2007 Posts: 3,695 nc	Yeah, I will have to change everything, A 904 may be better choice, my 727 is due this winter to go thru and an extra 20 to the wheels sounds good to me We plan on upin the power back up between 650 /675 and 600ft lbs, will a 904 with basic mods clutches / bands / sprag take it? Got to remember we mud race so we dont torque up on the parts like drag racing

Re: 904 vs 727 [Re: emarine01] #454267 08/30/09 02:48 PM 08/30/09 02:48 PM
Joined: Jan 2007 Posts: 3,695 nc E emarine01 master
emarine01 master E Joined: Jan 2007 Posts: 3,695 nc	Anybody have any pix of a 727 and a 904, seems like they look close to the same?

Re: 904 vs 727 [Re: emarine01] #454268 08/30/09 03:07 PM 08/30/09 03:07 PM
Joined: Jan 2003 Posts: 9,826 las vegas 70AARcuda master
70AARcuda master Joined: Jan 2003 Posts: 9,826 las vegas	Quote: Anybody have any pix of a 727 and a 904, seems like they look close to the same? pick them up...you will "feel" which one is the 904... Tony 70 AARCuda Vitamin C 71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield) 71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas) 71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)

Re: 904 vs 727 [Re: 70AARcuda] #454269 08/30/09 06:34 PM 08/30/09 06:34 PM
Joined: Oct 2005 Posts: 739 Florida 4 408Dust super stock
408Dust super stock 4 Joined: Oct 2005 Posts: 739 Florida	30lb. difference.

Re: 904 vs 727 [Re: 408Dust] #454270 08/30/09 06:44 PM 08/30/09 06:44 PM
Joined: Jan 2007 Posts: 3,695 nc E emarine01 master
emarine01 master E Joined: Jan 2007 Posts: 3,695 nc	Hummm 20 HP and 30 lbs , ok and the down side is.......?

Re: 904 vs 727 [Re: emarine01] #454271 08/30/09 06:52 PM 08/30/09 06:52 PM
Joined: Oct 2005 Posts: 739 Florida 4 408Dust super stock
408Dust super stock 4 Joined: Oct 2005 Posts: 739 Florida	Cost of the billet 1350 yoke,215.00 from Mark Williams and a new drive shaft other then that I'm happy with the change.

Re: 904 vs 727 [Re: 408Dust] #454272 08/30/09 07:19 PM 08/30/09 07:19 PM
Joined: Nov 2008 Posts: 833 MN hemidup super stock
hemidup super stock Joined: Nov 2008 Posts: 833 MN	We're putting a Lofgren built 904 in our 71 Duster project. Its lighter and efficient. Jerry Williams.

Re: 904 vs 727 [Re: 408Dust] #454273 08/30/09 07:56 PM 08/30/09 07:56 PM
Joined: Jan 2007 Posts: 3,695 nc E emarine01 master
emarine01 master E Joined: Jan 2007 Posts: 3,695 nc	Ive got good yokes on my T case , is the 904 longer or shorter not counting the tail shaft? I will have to do 2 shafts if its off by more than 1 inch, can a 904 handle 600 ft lbs @ 5300?

Re: 904 vs 727 [Re: emarine01] #454274 08/30/09 08:02 PM 08/30/09 08:02 PM
Joined: Oct 2005 Posts: 739 Florida 4 408Dust super stock
408Dust super stock 4 Joined: Oct 2005 Posts: 739 Florida	904 is much shorter. Call Dave at Pro trans 1-661-940-7400.

Re: 904 vs 727 [Re: emarine01] #454275 08/30/09 08:03 PM 08/30/09 08:03 PM
Joined: Nov 2007 Posts: 5,337 the house on the left. C cogen80 master
cogen80 master C Joined: Nov 2007 Posts: 5,337 the house on the left.	Quote: Anybody have any pix of a 727 and a 904, seems like they look close to the same? 904 will be shorter and not as fat around the middle.

Re: 904 vs 727 [Re: cogen80] #454276 08/30/09 08:31 PM 08/30/09 08:31 PM
Joined: Jan 2007 Posts: 3,695 nc E emarine01 master
emarine01 master E Joined: Jan 2007 Posts: 3,695 nc	What about input / out put shaft size - Dia- is a 904 light duty compared to my Porkflite? it may be heavy but it is one of the few drive line parts I haven't broke in 3 years racing

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