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3/5/11 8:23am - Original Message: 'Transmission Removal'
rod7515 Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic

Joined: 10/27/2006
Posts: 1172
Last night I started to drop the trans from the 72 so I can install the 2004r. I removed the exhaust going thru the cross member. I think Bubba installed it as the clamps were drawn that tight I had to use the torch to heat and pull it apart. I then dropped the crossmember removed the torque converter bolts. By then it was midnight so I decided to wait till Sunday to finish pulling it out. Just a few things I noticed while under there. The wires coming down to the starter are a mess, but there is a ground wire from that part of the harness that they have going to the lowest bolt on the trans/motor bell housing. I dont remember ever having a wire that low on the trans. I can remember ground wires up on the top 2 bolts. Also the other ground strap that goes from the frame / motor mount (passenger side) they have going from the frame to the back of the starter. (actually on the starter case bolt) Is that something I should change when going back together? Once I drop the trans I plan on spraying the under side floor boards with the lizard skin for heat /sound insulation then I will (hope) to add the 2004r trans. I havent done a transmission on the floor for over 30 years. Not really excited about this job! I update as I go, maybe even add pics!
Rodney


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3/5/11 8:58am - Reply: 'Transmission Removal'
lukesvette Lifetime Member
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HOWELL, NJ - USA

Vette(s):
1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.

Joined: 5/18/2004
Posts: 6804
Hey Rod, I think I have a ground wire on the same bolt. I replaced every ground strap that I could find to help in combatting the infamous C3 battery draining gremlin!! They are cheap to replace and if it's down by the starter, that strap has been exposed to heat and brittle if it's the original. I'd change her out.

As far as the starter wires go, coincidentally, I just ordered a new engine  and starter harness to further clean up the engine compartment and those starter wires have also been near heat for a long time...those harnesses are pricey though...

Either way - below were my steps and reminders when I did my 700R4 conversion - you will not need a lot of these steps, but I thought this might be useful for you:

Trans Swap Instructions

 

 

·          Disconnect kickdown and modulator

 

·          Set car on stands/ramps

 

·          Drain trans

 

·          Disconnect trans lines

 

·          Disconnect speedo cable

 

·          Support engine oil pan

 

·          Unbolt converter

 

·          Take weight off of trans with floor jack

 

·          Disconnect e brake pulley

 

·          Unbolt exhaust, trans mount and crossmember

 

·          Unbolt and remove driveshaft

 

·          Measure from tailshaft to differential yoke

 

·          Remove dipstick

 

·          Remove cable bracket from pan

 

·          Remove bellhousing bolts

 

·          Take trans down and out

 

·          Remover flexplate

 

-------------------------------------------

 

·          Install new flexplate with new bolts and loctite

 

·          Pour 1 qt trans fluid into converter

 

·          Slide converter into trans and make sure it clicks down twice

 

·          Bolt in new trans bell housing bolts

 

·          Install new crossmember and trans mount

 

·          Remove jacks under both pans

 

·          Connect trans lines

 

·          Attach cable with new bracket

 

·          Install new driveshaft

 

·          Install exhaust

 

·          Bolt converter to flexplate with new bolts

 

·          Install new dipstick

 

·          Recheck all fasteners on trans, exhaust, driveshaft, crossmember, converter

 

---------------------------------------------------

 

·          Install shifter upgrade

 

·          Make trans lines

 

·          Install trans cooler and lines

 

·          Install carb brackets and TV cable

 

·          Adjust TV cable and DOUBLECHECK!!!

 

·          Add 6 qts of fluid and start car

 

·          Cycle gears and continue to add fluid until proper level is on  dipstck

 

·          Roadtest car and top off fluid as necessary




Good luck with the trans change
 


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3/5/11 5:18pm - Reply: 'Transmission Removal'
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518
Can't say much about the wires..but if you need help putting that thing back in I can find time after lunch..

Rich

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My first parade at Carlisle 2010
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3/5/11 7:22pm - Reply: 'Transmission Removal'
rod7515 Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic

Joined: 10/27/2006
Posts: 1172
Thanks Paul, I see you made your transmission lines. Thats another thing I will have to do. I see bubba was at my lines as they only go to about the the lower a arms, then they are rubber from that point forward. I guess I'll have to bend some new ones as I'm not all that comfortable with that much rubber!
Rich, Thanks for the offer to help put it back in. Once it falls out and I spray it, it will take a day or two till its dry enough to do anything with it. I hope to do the whole underbody so it might be a while until it goes in. I'll give you a shoot when I plan on it. I know Im away next weekend.
Rodney


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3/5/11 7:29pm - Reply: 'Transmission Removal'
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518
Forgot about the details of clean and paint..I work sat..the 19th till 2..After that I am game..getting it out should be fairly easy..back in is the tough one..

Rich

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My first parade at Carlisle 2010
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3/5/11 10:12pm - Reply: 'Transmission Removal'
rod7515 Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic

Joined: 10/27/2006
Posts: 1172
Rich, if it falls out shouldn't it bounce back in! I'm hoping so. I'm not up for anything that's difficult.
Rodney


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3/6/11 2:58am - Reply: 'Transmission Removal'
lukesvette Lifetime Member
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HOWELL, NJ - USA

Vette(s):
1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.

Joined: 5/18/2004
Posts: 6804
Rod, I converted over to braided lines so there's no bending involved....except for my back!!Shocked

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LukesVette Homepage
Veteran of Operation Iraqi Freedom
101st Airborne(AirAssault!)
God Bless America

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3/6/11 10:26am - Reply: 'Transmission Removal'
Redwingvette Lifetime Member
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Waterford, MI - USA

Vette(s):
1973 Red coupe

Joined: 9/13/2002
Posts: 1674
Great upgrade for any auto trans Vette.
Make sure you get the TV cable timming correct and it will last you a very long time.


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Brian - NCM Lifetime Member

73 coupe L48, Flat-top pistons, Performer RPM Heads, Crane Cam and roller rockers, Holley 650 vac sec. Performer intake,
3.55 gear BTO 200-4R trans,
Leather seats, F-body seatbelts, Pioneer CD player
Magnaflow Exhuast System
Dewitt radiator and dual electric fans



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3/6/11 12:22pm - Reply: 'Transmission Removal'
rod7515 Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic

Joined: 10/27/2006
Posts: 1172
UPDATE: TRANNY IS OUT! Slid the jack under there this morning, Removed the starter and bell bolts and down it came. Actually that was the easiest part. My vertigo is acting up today so getting up and down from the creeper was my biggest challenge! I will definitely use a trans floor jack to put it back in, getting it out was just a regular jack. Was a little shakey at first! Any way today I will do some cleanup and hopefully spray the bottom now that its open. then run the new battery cable. I think I have decided to wait to install the new trans till the motor is in. It will be a lot easier. Guess its time to kick the engine builder in the butt and get him movin! Still a lot to do but each week I move somewhat forward. Oh, As I was laying under the car this morning I noticed that the car must have had side pipes at one time. The notches have been cut behind the rockers and there are 2 brackets welded to the frame! Maybe Someday again. I've gotten past that thought for this year!
Rodney


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3/6/11 12:53pm - Reply: 'Transmission Removal'
rod7515 Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic

Joined: 10/27/2006
Posts: 1172
Brian, I see you have the BTO level 2, 2004r. What are your thoughts about it. What converter are you using. I purchased the same trans from them. I also have the 2800 Converter. My gears will be the 3:55 which are the same as you have? What RPMS are you running on the highway at different speeds? I plan on driving mine quite a bit and will be using it at 65 -70 on the highway. I checked out your home page and the car looks great. You've done a ton of upgrades. I didnt notice is you are running headers or stock manifolds? Hope to catch up with you some time.
Rodney


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3/6/11 2:04pm - Reply: 'Transmission Removal'
lukesvette Lifetime Member
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HOWELL, NJ - USA

Vette(s):
1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.

Joined: 5/18/2004
Posts: 6804
Rod, check out this site:




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LukesVette Homepage
Veteran of Operation Iraqi Freedom
101st Airborne(AirAssault!)
God Bless America

Support Our Troops


     
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3/6/11 3:11pm - Reply: 'Transmission Removal'
Redwingvette Lifetime Member
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Waterford, MI - USA

Vette(s):
1973 Red coupe

Joined: 9/13/2002
Posts: 1674
[QUOTE=rod7515]Brian, I see you have the BTO level 2, 2004r. What are your thoughts about it. What converter are you using. I purchased the same trans from them. I also have the 2800 Converter. My gears will be the 3:55 which are the same as you have? What RPMS are you running on the highway at different speeds? I plan on driving mine quite a bit and will be using it at 65 -70 on the highway. I checked out your home page and the car looks great. You've done a ton of upgrades. I didnt notice is you are running headers or stock manifolds? Hope to catch up with you some time.
Rodney
[/QUOTE]
I love it. I have the 2200 stall convertor. I run about 2300rpm's at 70mph Stock manifolds with the Magnaflow exhaust. I don't see headers doing much for me because I don't race. The added heat and cleance issue are not worth the small gains headers will give my setup. I added the B&M trans controller so the convertor does not lock-up unless I am going over 40mph and unlocks when I slow down under 38mph. I use to have a toggle switch but now it is totally hands free.

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Brian - NCM Lifetime Member

73 coupe L48, Flat-top pistons, Performer RPM Heads, Crane Cam and roller rockers, Holley 650 vac sec. Performer intake,
3.55 gear BTO 200-4R trans,
Leather seats, F-body seatbelts, Pioneer CD player
Magnaflow Exhuast System
Dewitt radiator and dual electric fans



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3/6/11 10:12pm - Reply: 'Transmission Removal'
rod7515 Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic

Joined: 10/27/2006
Posts: 1172
Brian, did you have to order that for your year or just purchased the ones that are listed for the 91 -92 vehicles that the link took me too? Just wondering why you dont pull it down into drive when you dont want to be in overdrive because of low speeds. Does that become a pain? Just wondering why. Looking forward to your comments. This will be new for me.
Thanks
Rodney


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3/7/11 7:09am - Reply: 'Transmission Removal'
Redwingvette Lifetime Member
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Waterford, MI - USA

Vette(s):
1973 Red coupe

Joined: 9/13/2002
Posts: 1674
I ordered the one in the link. By adding the controller it works just like the rest of my cars with overdrive. I do not have to downshift them so why should I have to with the Vette. The worst case was highway driving. Every time I came to slow traffic or used an off-ramp I would slow down and have to downshift to keep the motor from chugging/pinging.
I found that to be a little combersome at times.
I guess if I had a manual trans I would have been downshifting but I should not have to with an auto trans.
 
 


____________________________________
Brian - NCM Lifetime Member

73 coupe L48, Flat-top pistons, Performer RPM Heads, Crane Cam and roller rockers, Holley 650 vac sec. Performer intake,
3.55 gear BTO 200-4R trans,
Leather seats, F-body seatbelts, Pioneer CD player
Magnaflow Exhuast System
Dewitt radiator and dual electric fans



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3/7/11 2:17pm - Reply: 'Transmission Removal'
rod7515 Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic

Joined: 10/27/2006
Posts: 1172
Brain, Thanks for all your input. I will hopefully be driving this car in town often so I think you have a great point. I will probably order one of them. Was it tough to install or is it fairly simple. How does it monitor your speed to know when to shift?
Thanks
Rodney


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3/7/11 9:15pm - Reply: 'Transmission Removal'
Redwingvette Lifetime Member
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Waterford, MI - USA

Vette(s):
1973 Red coupe

Joined: 9/13/2002
Posts: 1674
It attaches to the speedo cable at the trans. Then you power the controller with 12 VDC when the key is on and a have good ground. The contorller has an adjustable switch so you set what speed you want the convertor to luckup at. The output connects to the power wire going to the trans at the brake switch so the trans does not get the 12 VDC unless you are at speed and of course you foot is not on the brake.


____________________________________
Brian - NCM Lifetime Member

73 coupe L48, Flat-top pistons, Performer RPM Heads, Crane Cam and roller rockers, Holley 650 vac sec. Performer intake,
3.55 gear BTO 200-4R trans,
Leather seats, F-body seatbelts, Pioneer CD player
Magnaflow Exhuast System
Dewitt radiator and dual electric fans



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8/7/11 11:20pm - Reply: 'Transmission Removal'
mmrdl1971 Gold Member
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Wichita, KS - USA

Vette(s):
1971 Bridgehampton Blue Coupe

Joined: 7/5/2005
Posts: 24
I am starting to have problems with my 71 Turbo 400, I am considering a 700R4 rather than overhauling the Turbo 400.  Is there any documentation that shows that this mod can be done to a 1971.

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8/8/11 8:18am - Reply: 'Transmission Removal'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19449
You can install an overdrive trans in ANY year Shark car. They are pretty much all the same underneath. Some years are easier than others, due to the exhaust pass-thru locations in the crossmember, but the install is pretty much the same for any of the year models.

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Joel Adams
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