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Re: 904 or 727
[Re: Otherlane]
#602520
02/26/10 01:42 PM
02/26/10 01:42 PM
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Joined: Mar 2005
Posts: 1,445
Sterling Heights, Michigan 483...
daniel_depetro
pro stock
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pro stock
Joined: Mar 2005
Posts: 1,445
Sterling Heights, Michigan 483...
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In my case the point is moot, because as of right now we are running a bone stock 1974 T/F-727 in the supercharged Dart.
I know it isn't ideal, and yes I mean bone stock. Pulled the engine/transmission out of a 1974 Dodge truck and put them in the car (1972 Dart).
Then we slapped a 144 B&M supercharger (on top of a slightly modified Holley street Dominator aluminum single 4-bbl. intake manifold), 750 cfm Holley carburetor, my buddy sold us a gently used reproduction 340 camshaft/matching valve spring/roller timing set for $75.00 and we installed the brand new set of Hooker Competition headers that came with the car when we bought it. The car has electronic ignition with a cheap Accell Super Coil.
Anyways my dad wants to race it a few times this coming year so we were looking at building a good transmission for it. He is a transmission rebuilder by trade, but hasn't built much performance stuff.
I just figured if a 904 is "better", that's what will be going in the car.
Either way we have to buy all the parts and a converter for either transmission.
I'm also not a big fan of having to put out money for the billet drum in a 727.
1969 Dodge Super Bee A12 (440 Six Pack, 4-speed, Dana 60 4.10)
1972 Plymouth Road Runner (400, 4-speed, 8.75" 3.23)
1974 Plymouth Duster 360 (360, 4-speed, 8.75" 3.23)
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Re: 904 or 727
[Re: daniel_depetro]
#602521
02/26/10 02:39 PM
02/26/10 02:39 PM
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Joined: Feb 2005
Posts: 2,528
Mansfield, Tx
Jacob Pitt
master
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master
Joined: Feb 2005
Posts: 2,528
Mansfield, Tx
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What about going from a mostly stock 904 to a rollerized 727 behind a small block? If the 727 had all aluminum and light weight stuff and the 904 didn't what would be faster?
2013 NHRA D4 Stock Champ
#4 in the World IHRA Stock
2x IHRA Div.4 Stock Champ
14x Track Champ
All using a Ultimate Converter Concepts converter. Call Lenny today 704-892-6837
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Re: 904 or 727
[Re: Otherlane]
#602523
02/26/10 04:35 PM
02/26/10 04:35 PM
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Joined: Jan 2003
Posts: 9,826
las vegas
70AARcuda
master
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master
Joined: Jan 2003
Posts: 9,826
las vegas
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paid 300 dollars for turbo action 8 inch converter...rebuild 904 myself for 300 dollars..used valve body from 727 that i already had...
nothing near 1800........
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)
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Re: 904 or 727
[Re: Jacob Pitt]
#602524
02/26/10 04:54 PM
02/26/10 04:54 PM
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Joined: Jan 2003
Posts: 11,718
Portage,michigan
B3422W5
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 11,718
Portage,michigan
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Quote:
What about going from a mostly stock 904 to a rollerized 727 behind a small block? If the 727 had all aluminum and light weight stuff and the 904 didn't what would be faster?
I had my 727 rollerized, aluminum drum, etc, etc, and replaced a stockish 727 with this new trick one on consecutive weekends..i saw exactly zero difference ET wise.
A 904 with most often be about 1.5 tenths quicker than a 727
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: 904 or 727
[Re: B3422W5]
#602525
02/26/10 06:13 PM
02/26/10 06:13 PM
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Joined: Jan 2003
Posts: 2,697
Renton Wa
topfueldart
master
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master
Joined: Jan 2003
Posts: 2,697
Renton Wa
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Quote:
Quote:
What about going from a mostly stock 904 to a rollerized 727 behind a small block? If the 727 had all aluminum and light weight stuff and the 904 didn't what would be faster?
I had my 727 rollerized, aluminum drum, etc, etc, and replaced a stockish 727 with this new trick one on consecutive weekends..i saw exactly zero difference ET wise.
A 904 with most often be about 1.5 tenths quicker than a 727
That would've had me hot! 904 here! Stock rebuild. Flex Band, 4 clutches. Shift kit, 500 horse, 500 torque, mid 11's in a 3550 lb car with no issues.
11.48 @ 120 with a 1.80 60' 318, stock 1.88 heads, stock 904, Pump Gas, 13 lbs of boost.
9.94 @ 134, 318 on pump gas, 14 lbs w/ Eddies, transbrake 727, 3600 lbs, 3.54 gear and 28's.
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Re: 904 or 727
[Re: topfueldart]
#602526
02/26/10 06:15 PM
02/26/10 06:15 PM
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Joined: Jan 2003
Posts: 11,718
Portage,michigan
B3422W5
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 11,718
Portage,michigan
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Quote:
Quote:
Quote:
What about going from a mostly stock 904 to a rollerized 727 behind a small block? If the 727 had all aluminum and light weight stuff and the 904 didn't what would be faster?
I had my 727 rollerized, aluminum drum, etc, etc, and replaced a stockish 727 with this new trick one on consecutive weekends..i saw exactly zero difference ET wise.
A 904 with most often be about 1.5 tenths quicker than a 727
That would've had me hot! 904 here! Stock rebuild. Flex Band, 4 clutches. Shift kit, 500 horse, 500 torque, mid 11's in a 3550 lb car with no issues.
Your right, i expected to see SOMETHING, but after reading many posts on here over the years, other guys who did the same thing havent seen anything either.
that said, the reliability has been super 
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: 904 or 727
[Re: topfueldart]
#602527
02/26/10 07:03 PM
02/26/10 07:03 PM
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Joined: Mar 2005
Posts: 1,445
Sterling Heights, Michigan 483...
daniel_depetro
pro stock
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pro stock
Joined: Mar 2005
Posts: 1,445
Sterling Heights, Michigan 483...
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Quote:
904 here! Stock rebuild. Flex Band, 4 clutches. Shift kit, 500 horse, 500 torque, mid 11's in a 3550 lb car with no issues.
That's awesome!
1969 Dodge Super Bee A12 (440 Six Pack, 4-speed, Dana 60 4.10)
1972 Plymouth Road Runner (400, 4-speed, 8.75" 3.23)
1974 Plymouth Duster 360 (360, 4-speed, 8.75" 3.23)
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