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9/9/09 2:09am - Original Message: '700r4 conversion complete'
2tonevette1981
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Hillsboro, TX - USA

Vette(s):
1981 beige/bronze

Joined: 3/2/2008
Posts: 147
Well I have completed my 700r4 conversion and I really like the way it shifts. The engine runs about 1900 rpm @ 70 mph. and 1000 rpm @ 30mph. Much quieter in the corkpit and less stress on the motor. Of course if needed I can drop into 1st or 2nd and act a fool, but I wouldnt do that.
 
If anyone is interested in the gorey details of the conversion I will post it. I am not going to type all that detail if no one is interested.
 
Thanks to Joel and Dwayne for their help.
2tonevette19812009-09-08 23:11:38

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9/9/09 11:59am - Reply: '700r4 conversion complete'
KeBo
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Kendall Park, NJ - USA

Vette(s):
1981 - 59 Beige over Cinnebar leather. Edlebrock top end, 2200 stall w/shift kit, 3:55s, Mufflex maniback exhaust, nice stereo, 16 in AREs w/BFGs

Joined: 3/9/2005
Posts: 789
I'd love that info!  That is my next project. SOme genl question I have:
A) Where'd ya get the trans?
B) Cost?
C) What torque converter?
D) Shifter?
E) Drive shaft and x-member mods?
F) Thoughts on the 1 to 2 shift
G) What gears ya running?
 
I have an 81 with a 3:55 rear and an Edlebrock performance package. Right now I have the intake and carb on. In the fall I'm gonna do Patriot headers, the E-brock heads and cam. The car is totally de-smogged. Thanks for the info!
 
KeBo.
 
Hey Joel - Wanna come to NJ for a house call?  LOL!    
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9/9/09 1:09pm - Reply: '700r4 conversion complete'
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: 19448
The crossmember is from a '79 Corvette...bolts right in! The only mods were to slot out the trans mount holes in the crossmember slightly. The trick is to use a 700 tailhousing from a Caprice...the mount location on the Caprice cars was farther back than normal, so the tailhousing has the mount boss cast into it. With the '79 x-member, and the Caprice tailhousing, the trans mount bolts right up, with NO cutting/mods to the car, or the x-member, other than slotting the holes out for the mount.
The x-member may not work on later cars with the catalitic converter system without some mods to the exhaust, since the earlier x-member still has the two holes in it for the dual exhaust. If you have gone to duals, then it' not a problem, but the pipes may or may not fit, depending on how the pipes are bent to start with.
The torque converter has a slightly higher stall speed than normal, but not much. It's a version of the same converter that was used in Camaros, and  '82 Corvettes.
The shifts can be tailored to just about anyone's liking, from sliding(Granma), to bust the winders out.
That's about all I know about Ed's swap. He got the trans from someone here locally, and I built it for him. All of the ancilliary items(shifter mod kit, TV cable & brackets, etc., came from the aftermarket).

Sorry....Joisey is just about that(thumb and forefinger mashed together) far out of my commuting range....-


hth....


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Joel Adams
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9/9/09 1:23pm - Reply: '700r4 conversion complete'
aceinthehole Lifetime Member
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Valley Springs, CA - USA

Vette(s):
1978,Metalic Money Green W/Gold emblems,TH350 w/gear splitter,black & grey interior.1978,two tone,Metalic Rootbeer & gold ,Doeskin interior,auto. trans. 1981, Silver w/mirrored T-Tops,4 spd, charcoal interior.

Joined: 11/20/2005
Posts: 3618
[QUOTE=2tonevette1981] If anyone is interested in the gorey details of the conversion I will post it. I am not going to type all that detail if no one is interested.[/QUOTE]
 
You Bet we're interested Thumbs Up. I've been waiting on a little more info on this subject in order to get my courage up. I've got everything sittin right here, tranny, torque converter, drive shaft, shift linkage and tv cable. I've read just enough about this conversion to make me cautious about jumping in. There's nothing wrong with the wifes trans and she doesn't like doing any down time, but I'm sure she'll understand once she experiences the outcome.


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Jimmy B.
Just can't wait to get on the road again.

 
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9/9/09 7:27pm - Reply: '700r4 conversion complete'
2tonevette1981
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Hillsboro, TX - USA

Vette(s):
1981 beige/bronze

Joined: 3/2/2008
Posts: 147
The remainder of the story.....specifics from Joel's list...the shifter modification was an easy afternoon do it yourself with a kit from shiftworks.com http://www.shiftworks.com/corvette.htm#1968 you just have to have a good hand grinder and file to change the detent. The TV cable is pretty basic. I used the TV made EZ from bowtieoverdrives.com. http://www.tvmadeez.com/. There was no way the exhaust could be reused, besides I wanted different mufflers.
 
I really wasnt a hard conversion, just takes a little time reading and getting advice from Joel..lol. I do like the way it shifts. It is smooth and quiet, except if you do happen to put it in 2nd and take off a little too fast it will set you back in the seat, but dont tell Joel I am trying to tear his rebuild up..I had to do it once.
 
Cost...I did not keep up with every penny, I have learned not to do that. A real close estimate would be tranny and rebuild $700, x-member $120, shifter $100, TV cable $60, dipstick $30, driveshaft cut and balance $100, custom bent exhaust and mufflers $350 so....about $1500.


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9/9/09 7:30pm - Reply: '700r4 conversion complete'
Redwingvette Lifetime Member
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Waterford, MI - USA

Vette(s):
1973 Red coupe

Joined: 9/13/2002
Posts: 1674
Putting an OD in a C3 is one of the best mods you can do. I put in a 200-4R in my 73 a few years ago and love it. Lots of info can be found on Bowtieoverdrives.com.
They have everything needed to make it work but there are lots cheaper ways to do if you have a trans already. (or know Joel well enough)


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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
Borgeson Steering box
Click here for Brian's Home Page 



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9/9/09 8:16pm - Reply: '700r4 conversion complete'
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
Sounds like a future project!!!! Wacko

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9/9/09 10:27pm - Reply: '700r4 conversion complete'
JimG Lifetime Member
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Gloucester, VA - USA

Vette(s):
1979 T-Top, Metallic Green ZZ4 350/355 hp 405 ft/lbs torque Dual Spal Fans 700R4 4 Spd O/D Transmission 2004 Z06 Commemorative Edition

Joined: 1/29/2005
Posts: 1453
I still love mine. I still don't have the shifts like I want them. I'll get'em there one day.

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The Money Pit.... and my niece

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11/21/09 11:39am - Reply: '700r4 conversion complete'
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 Ed, if you don't mind me asking, where did you get a crossmember for $120?

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LukesVette Homepage
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11/21/09 12:03pm - Reply: '700r4 conversion complete'
fp_vetter72 Lifetime Member
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COPPERAS COVE, TX - USA

Vette(s):
1972 corvette stingray convertible 2007 coupe

Joined: 7/6/2002
Posts: 412
Well Ed, I guess you wont be stopping so much for gas now. Next trip we take you can run longer on a tank. Maybe we can all run together in 2011 to Mid America gathering.

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