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#1
01-24-2013, 09:39 PM
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New 2004r Tranny
Drove my 84 ELKY today for the first time with the new overdrive tranny. It is awesome! Has a mild shift kit and shifts are nice and positive but not overly aggressive. Downshifts are hardly noticeable. She hits 4th at about 50mph. I like the fact that it revs higher between shifts than the old 250c did. That old tranny almost immediately shifted into second gear. not allowing the motor to start making power. I really notice the deficiency of the stock brakes now as this tranny in overdrive has less rolling resistance. I got 12 mpg before. It will be interesting to see how much improvement. The crossmember had to be modified a little but the drive shaft bolted right up. It has a two year unlimited mileage warranty. Cruising 80 mph is no problem now!
RTT 
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#2
01-24-2013, 09:50 PM
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Great glad your happy with it I thought something maybe be wrong and was taking longer than expected.
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To view links or images in signatures your post count must be 0 or greater. You currently have 0 signatures. To view links or images in signatures your post count must be 0 or greater. You currently have 0 signatures. I have learned to never characterize any of my cars as fixed....they are just temporarily between malfunctions. .....Dan ( old_coot) To view links or images in signatures your post count must be 0 or greater. You currently have 0 signatures.
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#3
01-24-2013, 09:53 PM
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Never had OD in my elco but im sure its nice to have a good 2004r
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Steel Beast To view links or images in signatures your post count must be 0 or greater. You currently have 0 signatures. "I don't drink and drive,I pull over and sip!" 80 El Camino 6.3L
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#4
01-25-2013, 04:41 AM
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My 1980 el camino came with a 2004r when my son and I bought it. The speedometer does not work and I found out the driven gears are broken. The car came with a brown 26 tooth gear with a metal stem. After looking around found the part number is GM 25502669 but have not been able to find it anywhere. Any suggestions where I could buy it? Or could I replace it with something else? Not sure what size rear differential I have but the car still has the stock 14" inch tires so I believe its stock. Thanks
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#6
01-25-2013, 10:45 AM
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Quote:
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Mike To view links or images in signatures your post count must be 0 or greater. You currently have 0 signatures. To view links or images in signatures your post count must be 0 or greater. You currently have 0 signatures. To view links or images in signatures your post count must be 0 or greater. You currently have 0 signatures. To view links or images in signatures your post count must be 0 or greater. You currently have 0 signatures.
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#8
01-25-2013, 02:49 PM
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Quote:
http://www.bowtieoverdrives.com/cata...AT&CATID=DA1A2 And here for cheaper price http://www.gmpartsgiant.com/parts/gm-gear-25502669.html
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#9
01-25-2013, 02:53 PM
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RTT, You'll really love that trans when you pass the gas pumps ! I love mine and wondered what shift kit you're using ? I'm using a B&H lockup kit thats variable from 30-90 mph,they say, but keep it at about 45-48 mph . What rear end gear are you running ? WP
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#10
01-25-2013, 02:56 PM
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I'm glad it all worked out for you!
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#11
01-25-2013, 06:16 PM
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It was rebuilt by a father and son shop in business for 42 years! My rear gear is a 3.08 posi. Here is a list of the new parts....
Master overhaul kit New torque converter Filter New Int. band New Planetary Front and Rear gears Direct Housing 5 steels 2 Accum w/seals bushing kit Roller clutch case connector Superior Shift kit TV cable Dust Cover New Trans Mount Modified Crossmember Warranty 24 months unlimited miles Cost about what TrannyMike said it would. RTT
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#13
01-25-2013, 07:21 PM
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I used to be a Transgo only guy. Then another builder I know talked me into running a Superior kit in a 4R70W Ford trans in an F150. I was impressed and now use both Transgo and Superior. I have a Superior kit in my 2004R and love it. I'm sure you'll be happy with yours for a long time!
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#14
01-25-2013, 08:12 PM
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That Superior kit is what HKDUP has in his too. I know because I put it there!
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WHEN YOU KNOW WHAT THE MAGICIAN KNOWS, IT'S NOT MAGIC ANYMORE!
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HKDUP87
el camino
Linear Mode
