Gathering parts for my G body (GN) 6.0L swap.

Ill be using the 200-4R with the 6.0L - question is in order to use the 200-4R I need to use a mod for the TV cable. Does this mean that I have no choice but to use a DBC throttle body and there is no option for me to use a DBW TB?

Ill likely swap it out to a 4L60 or 4L80 however, I'm starting out with a built 200.

Anyone?

 

There is nothing for it to work off of on DBW so you probably are limited to cable like you said. Why dont you want to use cable, everything you have DBW.? You can probably sell the 200r4 being built so you can go 4L60E probably better to go newer route anyway do to being more popular tranny.

 

There are some (buried) threads here from way back, guys have attached the TV cable directly to the pedal.

 

If going factory computer controlled EFI, i would sell the 200 and go 4L80e

 

The 200 is a great little trans, will fit almost anywhere, and powertrain losses are one of the lowest of all autos. His is already built, so why waste it?

 

The 4L80e is inherently and notably stronger and it will drive better, especially with a high stall torque converter. The 200 is a specialty piece and only a handful of people in the country truly know how to build one to take any real power. Then there is his aforementioned compatibility problem. Why struggle unnecessarily?

 

A matter or preference at best, and maybe not wanting to chop up the tunnel. The 4L80 is prolly 100# heavier. I actually lifted a billet l/u converter for one and it had to weight 90# as opposed to maybe 35# the PI VIg for the 200 would weigh...

 

For me the choice has nothing to do with preference. Each has it's features and attributes. For me it is a matter of what is practical for a given application. As far as all the size and weight ideas that you have, I am not sure where you got that information. Check out this information from Jake's transmission:

http://www.jakesperformance.com/4L80E_FAQ.html

 

I've seen a couple solutions maintaining DBW and using a TV cable.
If your 6.0 is a 24x reluctor, consider a 411 ecu and DBC harness.
Otherwise, as pointed out, some have adapted the TV cable controller directly to the pedal. There's a Porsche 928 swap on another forum where the DBW pedal was modified to operate an accelerator cable. The opposite end of the cable was hooked to a faux TB that operated the TV cable. Kinda complicated but kept the travel and geometry correct.

 

Depending on the oil pan and mounting components used, a 2004R or 4L80 can be installed into a G-body behind an LS at an optimized inclination angle without having to cut the floor. The 4L80 is indeed close to 250 lbs. when you include the weight of the converter, which translates to a 200-205 lb. static load transferred to the crossmember through the rear mount.

I had to validate all of this during the development of the new Hooker G-body crossmember for use in the FEA analysis, so I witnessed it all personally.

It may be valuable for the OP to know that the Hooker crossmember is modular in design and will allow him to reconfigure his powertrain from a 2004R to a 4L80 set-up down the road without having to buy a new crossmember; all that will be needed is to purchase a cantilevered 4L80 adapter bracket for $40.

 

I'm planning to use a built 200 4R behind my 5.3 in my '66 Camino. I don't have the same problem you do because I'm using a DBC set up. But could you tell me how you are addressing the Vehicle Speed Sensor. How are you adapting one to your 200?

 

Thanks for the replies fellas.

I'm not against the DBC option but I figured it's the only way to use the 200 as the TV cable must be used. Another $1200-1500 would get me into a 4L80 however and permit me to use the DBW.

Ideally, I'd like a 4L80E but this is a budget build for me...(what build isn't right?)

The trans (200) I currently have has been built with billet internals and built by a guy who knows these 200's. Speedtigger you're absolutely correct in what you've said about the builders of these transmissions. I had to do quite a bit of hunting before I took it somewhere for fear of wasted cash and a weak trans.

Toddoky I have been following your G-Body thread and I thank you for the time and effort you have put into it for guys like me. Based upon your thread and what I see and hear from others I have decided that the Holley / Hooker parts are what I will buy. The convenience of keeping the X member and only buying the $40 piece (prob when I break my 200 lol) makes buying it too much common sense. The mounts and accessory drives are also top notch and will be purchased for this swap.

Here's what's done to my 200:
- CK Performance Stage I rebuild kit
- CK Shift Kit
- 13 Vane pump rotor
- 12" 2800 stall converter
- Billet foreward clutch drum
- Teflon pump bushing
- Hardend stator shaft
- Super Servo
- Sonnax .500" boost valve

It's anyone's guess how much that will handle HP wise...I just read an article at Super Chevy on how to build a 200 to handle 400-800 HP via some parts and methods from Art Carr.

http://www.superchevy.com/how-to/tra...converter.html

I believe all thats required to use the 200 is a spring change and a bracket on the TB....but maybe someone else can chime in as Blister brought up an important issue...the VSS. How do us 200 guys fix that issue?

 

Is a manual valve body out of the question for you OP?

 

Cable output VSS from Dakota Digital with pass through for your speedo (SEN-01-4160). Puts out a sine wave signal for accurate speed sensing by the ecu. It does not put out a high enough pulse rate to operate the stock DBW cruise control.

http://www.dakotadigital.com/index.c...rod/prd109.htm

 

Thanks Garys 68!

I followed your build thread way back when. Nice setup. Yours is one of many that inspired me.

93Z2871805 - I am not opposed to it...however opening up the trans is more than I am hoping to do. I paid $600 for an original GN valve body not long ago.

Seems like a hassle to hack up some kind of solution for DBW...think I might just go DBC and avoid the hassle. I think my trans is built enough to handle what I'll throw at it.

Have a look at this:

www.cpttransmission.com

Their 500-750 HP trans is built very similar to mine...but probably with more clutch plates.

 

I can understand where you're coming from, and honestly I would just run the DBC setup with the TV cable and be done with it.

 

Couldn't you just use the VSS thats built into the stock GN speedo.

 

It requires signal conversion from sq. to sine and ratio multiplication. What Gary linked requires less work and is closer to what the PCM needs.