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Username Post: 700R4 best years and best goodies???        (Topic#129463)
Bowtie_Guy 
8th Year Gold Supporting Member
Posts: 274
Bowtie_Guy
Loc: Ohio in the "rust belt"
Reg: 09-04-04
04-17-06 04:16 PM - Post#918711    

OK, I'm getting different information from different sites and I'm getting confused now. I have picked a 700R4 in hopes of getting a good tranny to use. I thought the most desirable years, as far as strength and reliability, were 87' thru 92'. That gets you a 30 spline input shaft (grade up from the 27 spline), and I thought additional clutches over the older versions up to and around 86'. So, now I've picked up a 1988 (320th day of the year) 700R4, and I find another site that says ... and I quote “the clear choice is to build the 1989 or later models (without the pressure taps). These units have the larger input shaft, larger input sprag, 10 vane pump, and the updated gear train.” I have a 88' tranny that has a 30 spline shaft and ... yes ... the dreaded "pressure taps"!!! Does that mean my tranny has none of the gear train updates? I called the guy back I bought this unit from and he says that I have a 10 vane pump in my tranny, but what parts will the 88' not have that I might desire for a stout unit? I can still return and swap this unit for a 90' or so, but I thought I would ask some people that might clear some of these mysteries.
Brian

67' Chevelle SS California car needs much
97' K1500 4X4
72' Nova 350 A/C car (survivor garage kept)


 




Rick_L 
Honored Member
Posts: 27446
Rick_L
Loc: Katy, Tx, USA
Reg: 07-06-00
Re: 700R4 best years and best goodies???
04-17-06 04:22 PM - Post#918712    
    In response to Bowtie_Guy

I am certainly no detailed expert on this, but I've always read/heard that 88 up was what you wanted.

The input splines changed in 85 but there is no real problem with the 27 spline pieces, it's just another way of id'ing things. The 200-4R's all have 27 spline shafts, and many are behind some VERY stout turbo V6's.

What is your application? What kind of hp do you have?



 
Bowtie_Guy 
8th Year Gold Supporting Member
Posts: 274
Bowtie_Guy
Loc: Ohio in the "rust belt"
Reg: 09-04-04
Re: 700R4 best years and best goodies???
04-17-06 04:26 PM - Post#918713    
    In response to Rick_L

I knew I should have mentioned that, my application is not over 325 hp or so (daily driver). BUT, I figured if I were ever to have to sell my car I would want resale (bang for the buck). So, I thought I would get the best year to start with. And I relize the 27 spline has no real draw back for daily driver use.

67' Chevelle SS California car needs much
97' K1500 4X4
72' Nova 350 A/C car (survivor garage kept)


 
Bowtie_Guy 
8th Year Gold Supporting Member
Posts: 274
Bowtie_Guy
Loc: Ohio in the "rust belt"
Reg: 09-04-04
Re: 700R4 best years and best goodies???
04-18-06 03:16 PM - Post#918714    
    In response to Bowtie_Guy

Well, I talked to a local reputable transmission rebuilder and I am told that the 88' I have is a fine platform to work from. As I had found out he said words to the affect that improvements happened in 87' and up, and he is confident that this tranny I have will do the job and be worthy of all the goodies I want in it. As a matter of fact he suggested the kit that has the lockup that does not require all the electrical hardware and engages around 50 mph.

67' Chevelle SS California car needs much
97' K1500 4X4
72' Nova 350 A/C car (survivor garage kept)


 
CHEVYJEFF 
Senior Member
Posts: 334
CHEVYJEFF
Loc: WYLIE TEXAS
Reg: 03-05-02
Re: 700R4 best years and best goodies???
04-19-06 03:05 AM - Post#918715    
    In response to Bowtie_Guy

anyone know the pros and cons of the electric lock up kit verses the hydraulic check ball way of getting the lock up to work?

57 2 door HDTP
05 duramax lly crew cab 4X4
05 cadillac cts
97 Regal LSR 2100 (boat)


 
Bent Rod 
Senior Member
Posts: 231
Bent Rod
Loc: Oklahoma
Reg: 01-23-03
Re: 700R4 best years and best goodies???
04-19-06 05:29 AM - Post#918716    
    In response to CHEVYJEFF

There are times I don't want the converter to lock up in 4th gear, so I like a toggle switch in the 12V feed wire to not allow the lock up. I live in a hilly area where a lot of my driving is on curvy and hilly roads where the converter is constantly kicking in and out, jerks, lugging the engine etc. By flipping the toggle switch it will go into 4th gear and out smoothly, no jerking or lugging the motor. Have had it this way for 20 yrs, still working fine. By the way, my transmission is an early, 82 mdl that has never been down and has 50K on it now and never a problem. They weren't all weak units.
Paul



 
Bowtie_Guy 
8th Year Gold Supporting Member
Posts: 274
Bowtie_Guy
Loc: Ohio in the "rust belt"
Reg: 09-04-04
Re: 700R4 best years and best goodies???
04-19-06 04:10 PM - Post#918717    
    In response to Bent Rod

Well, if I made it sound like I didn't want an earlier 700 because I thought it would leave a trail of broken parts, or not hold up in general use I didn't mean to. I only wanted to buy one of the later models to maximize my value. I mean if I were standing in front of an 84', and a 90' for the same price I would snatch the 90' I think. It's moot since I'm keeping the 88' for now. I have forgoten a small detail about the dip stick filler tube in these 700R4s. I think I was told a Lokar tube with extended length is used since the 5-6-7s don't quite fit the stock tube length. Anyone have suggestions on their length and part number they liked or used? I am told there are several types, one attaches to the firewall, one to the transmission, and another in another manner. Which works best in general?

67' Chevelle SS California car needs much
97' K1500 4X4
72' Nova 350 A/C car (survivor garage kept)


 
57tim 
Valued Contributor
Posts: 3028
57tim
Loc: Cameron, Wi, USA
Reg: 11-09-01
Re: 700R4 best years and best goodies???
04-19-06 05:24 PM - Post#918718    
    In response to Bowtie_Guy

I think the Lokar part says for a 5-6-7 chevy. I have mine attached to the firewall. I don't have the part number. My invoice for the tranny just says dipstick $105.

57 Bel Air 2dr Ht
327 700r4
http://www.picturetrail.com/tmneid


 
Mike55 
Super Senior Member
Posts: 4393
Mike55
Loc: Lou.Ky .....
Reg: 03-20-02
Re: 700R4 best years and best goodies???
04-19-06 06:20 PM - Post#918719    
    In response to 57tim

This is the short Lokar dip stick. I think I paid 49.00? at a swap meet new.


My memory's not as sharp as it used to be. Also, my memory's not as sharp as it used to be.


 
Limey Tri Chevy 
Valued Contributor
Posts: 3446
Limey Tri Chevy
Age: 52
Loc: Hertfordshire, England U...
Reg: 10-19-05
Re: 700R4 best years and best goodies???
04-19-06 10:30 PM - Post#918720    
    In response to Mike55

Back in the days of books they were researched, proof read and then put out for public comsumption. There is more misinformation on the web than anywhere else. Thats why sites like this are so great. We can take expert knowledge and know where it is coming from or err on the side of the majority where the lines are a bit hazy.

'57 Bel Air 4dr wagon
'57 210 2dr. 9.3 @ 155 mph 0-60 in 1.47 seconds
'55 Bel Air 2dr
'02 H/D Lightning
'08 Anniversary Custom 1200 Sportster
'30 Model A sedan

My pics


 
hutchensce 
Senior Member
Posts: 1980

Loc: Laramie, WY
Reg: 11-02-04
Re: 700R4 best years and best goodies???
04-20-06 09:17 AM - Post#918721    
    In response to Rick_L

So they went to 30 splines in '85 then? Is that what you're saying? But then the other improvements came in '87 and later?

Photos and such


 
Rick_L 
Honored Member
Posts: 27446
Rick_L
Loc: Katy, Tx, USA
Reg: 07-06-00
Re: 700R4 best years and best goodies???
04-20-06 10:15 AM - Post#918722    
    In response to hutchensce

hutchensce,

Yes they changed the splines in 85.

There were MANY changes every year from 82-87. Things stabilized starting with the 88 models. There were changes in just about every area of the trans. Some of the changes were transparent and others weren't. That's why it's really best to use an 88 up transmission. It's not that the others are definitely bad, it's just too big a deal to figure out what you have, and too much $$ and trouble to upgrade it when you'd have to get core parts from an 88 up anyway. There were upgrade transmissions that came through warranty channels from 85-87 that had many of the good parts, but not necessarily all.



 
TriFiveChevyJohn 
Very Senior Member
Posts: 1802
TriFiveChevyJohn
Loc: North Texas
Reg: 11-22-04
Re: 700R4 best years and best goodies???
04-20-06 10:32 AM - Post#918723    
    In response to 57tim

Quote:

My invoice for the tranny just says dipstick $105




Do these things really cost over $100?
Isn't there a junkyard tube/stick that would work
(or that can be made to work/rebend the tube)?

Cut two coils!


 
57tim 
Valued Contributor
Posts: 3028
57tim
Loc: Cameron, Wi, USA
Reg: 11-09-01
Re: 700R4 best years and best goodies???
04-20-06 11:39 AM - Post#918724    
    In response to TriFiveChevyJohn

No, the tri-5's can't use a dipstick tube from any gm tranny. Thats the info I got from this form. Besides whats another $100 for a cool dip stick . I think I have about $14-1500 in parts in the tranny including the core and bench building from the tranny shop.

57 Bel Air 2dr Ht
327 700r4
http://www.picturetrail.com/tmneid


 
Rick_L 
Honored Member
Posts: 27446
Rick_L
Loc: Katy, Tx, USA
Reg: 07-06-00
Re: 700R4 best years and best goodies???
04-20-06 11:45 AM - Post#918725    
    In response to TriFiveChevyJohn

I've never used a 700-R4 in a 55-57, but the dipstick tube and stick can easily be modified to work. I've done it many times. Just measure where the stick end or marks are on the unmodified setup, and duplicate that with your modified setup. You can shorten, lengthen, change the bends with pie cuts, just about anything you need.



 
Jims56chevy 
Frequent Contributor
Posts: 2424
Jims56chevy
Age: 64
Loc: chino valley az
Reg: 11-23-04
Re: 700R4 best years and best goodies???
04-20-06 01:01 PM - Post#918726    
    In response to TriFiveChevyJohn

As Rick has mentioned, you can modify the stock tube and dip stick to work in your car.I did mine I shortened it up.Just what ever you take off the tube, you just shorten the dipstick the same amount.In my 56 it comes up below the battery.And if you have your battery relocated to the trunk or some where else it should be even easier to modify.
Jim
Jim

56 210 2dr


 
emdog 
Forum Newbie
Posts: 20

Reg: 05-25-09
11-09-17 05:09 PM - Post#2713826    
    In response to Limey Tri Chevy

Proofread; CoNsumption



 
models916 
Valued Contributor
Posts: 4783

Age: 67
Loc: Addison, IL
Reg: 05-28-10
11-10-17 06:25 AM - Post#2713878    
    In response to emdog

89-90 pretty good
91-92 near the best, better if from a Z-28
93 Camaro only as everything else went to 4l60E. The 93 will have a 5 pin round plug as an identifier but not really used.
What is important here is 91 and later have forged 4 pinion sun/planet gears with splash shield and bat wing washers. Hardened spine sun shell, electro induction hardened input shaft, better clutch arangment, etc…
The 93 camaro only will also have a valve body and spring arrangement exactly like the full version of the TransGo kit. No matter what stall you get, the 700r4 survives best with a 10" converter with carbon fiber clutch lockup.
If you are building from scratch, everything can be updated and the only difference is the case. Early has no aux valve body and the late does have. TransGo shift kit 123 is a must for lube and pressures. Another thing that is MUST for this trans to last more than a couple of years is a VITON seal between the Input and the out put shaft. The supplied seal in most of the rebuild kits supply the original seal made of plastic that hardens or cracks and leaks pressure to the rear of the trans. GM replaced this seal after many failures to the new version/brown color.

https://www.ebay.com/itm/SEAL-4L60E-W-SPLI NES-INPU...




 




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