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  #16 (permalink)  
Old 04-05-2012, 04:23 PM
Blazin72's Avatar
You got a leaky spark tube...
 
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Quote:
Originally Posted by 35WINDOW
I am trying to think of a way to operate a 4L60E without a TPS Sensor? Maybe only in manual mode?
99-02s still have a TPS on the throttle body.

My Silverado is a '00 and still uses a cable and I've owned a couple newer cars with drive by wire. In stock form I much prefer the cable driven throttle. It provides a more direct "feedback" when you step on the throttle. The factory drive by wire calibration on my current car just feels weird.

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  #17 (permalink)  
Old 04-05-2012, 05:22 PM
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Quote:
Originally Posted by Vetteman61
I just talked to the guy who's going to do my harness. He's from Speartech. He said it's as simple as putting a 99-02 throttle body on it and using an ECM from a 99-02 vehicle.

That's easier than I had thought.

Talking to him on the phone has be pretty anxious about if I'm going to be able to hook all the electronics on this motor up correctly, but I've heard people in the past say it's pretty much foolproof. I guess I'll attempt to prove them wrong.


Brandon
very nice
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  #18 (permalink)  
Old 04-05-2012, 06:48 PM
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Thanks Matt.

You're correct Blazin, from what I've understood so far the 99-02 trucks (and cars, or some of them) used the same motor with the drive by wire setup and the tps should be contained within the throttle body on one of these vehicles. Since I'll be hitting up a junkyard to get a pcm I'll probably take a look and see how of the throttle cable setup I want to use and how much I want to fabricate myself.

Brandon
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  #19 (permalink)  
Old 04-05-2012, 07:21 PM
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You got a leaky spark tube...
 
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You're using a 5.3 right? I think you'll need an ecm calibrated for that engine. 99-02 had several different engines. The Corvette, Camaro and Firebird got the 5.7 LS1 but the 4.8, 5.3 and 6.0s were Vortec truck engines. Each of these engines have significant differences in their calibrations so you'll want to make sure you have the right computer, even between the trucks. The other option is to pick up some tuning software from HP Tuners, LS1Edit, etc. Which you may have to do anyway since you want to drop the drive by wire.

The TPS on the cable drives throttle bodies bolts to the side of the throttle body.

By the way, in the not too distant future I'll be installing a 6.0 in a 67 Chevy C10 short bed. The new engines are the way to go.

Last edited by Blazin72; 04-05-2012 at 07:30 PM.
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Old 04-07-2012, 07:16 AM
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If you have the engine harness and PCM with DBW and don't like DBW like most because of the built in lag this can be programmed out to be as responsive as a cable.

To switch a DBW TB to Cable will not only need the mechanical end changed but PCM reflash to cable system or possibly differant PCM as well as wiring issues.
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  #21 (permalink)  
Old 04-07-2012, 10:23 AM
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Yeah, I don't have a PCM yet or a wiring harness so changing those is as simple as buying one or the other.


Brandon
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Old 04-14-2012, 01:18 AM
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another electrical solution, perhaps.

i'm building, or re building my '24 dodge coupe, and i'm using an 04 hemi out of a dodge truck. it has the 5 speed double overdrive electronic trans, along with the throttle by wire. lokar makes a pedal with the hall sensor that can solve the problem for the ford and chevy guys. they're still working on the mopar part, but hopefully soon to come. i got my wiring harness that lets me use the fuel injection, all the sensors, and the electronic trans for the late hemi. street&performance in mena arkansas builds harnesses for the new electronic motors and transmissions. the one i got fits great, and now i have to get a basic harness for the rest of the car. i hope this helps.
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  #23 (permalink)  
Old 04-14-2012, 01:47 AM
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What is a hall sensor?

Brandon
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Old 04-14-2012, 02:04 AM
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hall sensor answer

the hall sensor is what the throttle assembly reads so the electric motor attached to the throttle body will work. there are two types of sensors, perhaps a potentiometer, and of course the hall effect sensor which transmits information to the ecm so it can drive the throttle body. this is great for us who have different size tires, or different rear end gears. for my quick change it's ideal to have the gps system because it reads off the triangulation of the gps satellites to determine the speed. this means that after 20 minutes when i swap out my 3.91 gears to the 4.88 gears, my speedo will still read right without having to calibrate anything. if you have an electronic speedo, autometer, vdo, etc, it will likely work. the little box, about half the size of a deck of playing cards can mount just about anywhere as long as it can see the sky, just like a garmin gps system.
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