Cable drive or fly-by-wire

[69MyWay]

Originally Posted by flash911

Yes it is out of an Escalade. It has the truck intake, but I've purchased an LS3 intake. Sorry for any lack of knowledge on this - it's my first time doing it!

Okay...couple more things....

What accessories are you going to run? The Vette accessory and truck accessory are different and interfere with the driver motor for the dbw throttle body.

What transmission are you running...and confirm to me that you have the PCM, pedal, and TB right now off the Escalade.

[Ron in SoCal]

Originally Posted by 69MyWay

Okay...couple more things....

What accessories are you going to run? The Vette accessory and truck accessory are different and interfere with the driver motor for the dbw throttle body.

What transmission are you running...and confirm to me that you have the PCM, pedal, and TB right now off the Escalade.

OK - sorry I should been clear the first time cause all this stuff counts. I have a complete take out, including the DBW pedal. This means I have all accesories, TB, PCM, etc. 12k miles on the motor. The plan is to port the heads and get a crane cam and beehive springs (I've got an excellent motor guy - Brad @ QMP). I know I need to change the accessory brackets and have been doing the research. If it comes down to budget, I'll just get what I need, but that Wegner drive system makes me wanna spend dough:

http://s41657.storefront-solutions.c...?CategoryID=38

I'm not going to run AC. I've also read the Car Craft article on doing it on the cheap. I'm running a TKO-600 and as mentioned I've got the LS3 intake. So here's my questions:

- Will the LS3 intake work with the L92 TB and DBW pedal?
- Do you think the stock LS3 injectors will work in my appicaction? The motor will go on the dyno after the mods.
- Any other reccomendations for my set up?
- Should we move this hijack over to the engine section?

Thanks MyWay. I appeciate your advice...

Ron

[69MyWay]

Originally Posted by flash911

OK - sorry I should been clear the first time cause all this stuff counts. I have a complete take out, including the DBW pedal. This means I have all accesories, TB, PCM, etc. 12k miles on the motor. The plan is to port the heads and get a crane cam and beehive springs (I've got an excellent motor guy - Brad @ QMP). I know I need to change the accessory brackets and have been doing the research. If it comes down to budget, I'll just get what I need, but that Wegner drive system makes me wanna spend dough:

http://s41657.storefront-solutions.c...?CategoryID=38

I'm not going to run AC. I've also read the Car Craft article on doing it on the cheap. I'm running a TKO-600 and as mentioned I've got the LS3 intake. So here's my questions:

- Will the LS3 intake work with the L92 TB and DBW pedal?
- Do you think the stock LS3 injectors will work in my appicaction? The motor will go on the dyno after the mods.
- Any other reccomendations for my set up?
- Should we move this hijack over to the engine section?

Thanks MyWay. I appeciate your advice...

Ron

I'll get the right answer for you on this on Friday. I need to check some part numbers and confirm. This info is out there at LS1tech..etc, but you have to piece and part it all together.

-I'm not sure exactly what t/b was on that motor - so I need to look at the mounting boss - direction of the motor and wire plug. Again, this is mostly a factor of what accessories you use based on how it sits.

-I think the stock injectors will work, but I suspect they will be maxed on the duty cycle. So yes they will work, but they will be on the edge. You will know for sure when you have it tuned.

-Your set up will be very cost effective and powerful, so other than matching the right parts I don't have any other recommendations.

[69MyWay]

The truck idle pulley runs up high where the throttle body goes when using the LS3 or L76 intake. That is why when you go with stock parts you have to match the intake to the accessory being used on the motor. The guy in the picture below was slick when setting up his DBW LS3 or L76 intake on his truck engine. He fabricated a bracket to relocate the idler pulley. I prefer to use stock pulleys whenever possible because they have a much higher track record than aftermarket bling bling.

Also, notice the throttle body in this pic. This would be the correct four bolt mount LS2, LS3, or L76 style tb that mates up to it. Your throttle body should also be 90 mm and have a four bolt mount, but it should be shaped different than this one. 2007 was an odd year and there could be a couple of different things going on. However, I would suspect you have a SIX pin wire harness plug on your tb.

On the older models you had to get a conversion box to plug into then go from there to your t/b to do this swap. The guy in this photo has one of those as noted. You should not need that on yours. However, it is possible your t/b will mount to the LS intake - but I'm still trying to confirm that.



Picture below is of the older style ECM with TAC module type harness that requires a conversion box to attach the correct t/b to this intake the TRP X-Link 2.1

[69MyWay]

Just pulled the schematic between the Escalade and Vette harness & Parts.

Both the Vette and Caddy use the same wire harness terminal plug part number for the 2007 6.2 and the LS Vette -

I have attached the schematic for the Caddy and Vette.

They both use the same plugs, but a couple of the wire colors and feference terminals are different.

Based on this, I would say if you can get the Caddy t/b to bolt on the intake and clear then there is no reason why it won't all go.

I can't confirm for sure at this moment if the Vette t/b will talk to the Caddy pedal and ECM as you can see they are wired different.

[93Polo]

Originally Posted by 69MyWay

I've done both. After been there done that X4 - I go with the DBW everytime.

Why?

1. you can stuff a lot larger cam in there and with the right tune it won't stall or hunt for idle like the alternative as there is much more control available than just the screw set and idle air motor found in the dbc.

2. CRUISE CONTROL - with a complete DBW, all you have to do is hook any old or new GM column mount cruise switch up and you are good to go. It is that simple.

3. CLEANER - the pedal takes up a little more space, but no cable to run or adjust or look at. You will have wires going to the t/b no matter what - so what is the big deal of adding two more (that is all that is needed to power the motor - all the other sensors/switches are fairly identical in number to the dbc on the i/a and tps sensors).

4. It is THE thing - dbc is so.....10 years ago.

5. Issues have been ironed out - seems like all the aftermarket harness guys have a handle on this now - and there is ample info out there. you can run into some problems as all DBW gm parts are not the same. In other words, a truck throttle body and Corvette are different - so if it is an early DBW, the TAC module has to match the parts being used making mix and match harder. In the current gen of DBW, it is more simple as there is no TAC module, but the t/b and pedal still have to match up. So...a little more homework is needed but once the right stuff is there - you are golden.

As a former C5 owner the DBW is responsive but feel is lost. I never was as in touch with my C5 as other cars and arcade games give as much feedback as a C5. The throttle feels soft like a factory 60s power steering setup imo sure you run turn when you want but do you feel connected with the car?

DBW allowing more cam? 5.7 LS1s are running cams in the 240s at .050 and idle just fine, any more cam and it isn't a street car imo and would have a cam far to big for the application.

I do agree the swap has been ironed out and would not have safety concerns.

I want to use Cable when ever possible. I picked up my '01 2500HD truck wanting to go old enough to keep cable and want to keep swaps cable when ever possible. The only drawback to cable is cruise control imo.

[Ron in SoCal]

Originally Posted by 69MyWay

Just pulled the schematic between the Escalade and Vette harness & Parts.

Both the Vette and Caddy use the same wire harness terminal plug part number for the 2007 6.2 and the LS Vette -

I have attached the schematic for the Caddy and Vette.

They both use the same plugs, but a couple of the wire colors and feference terminals are different.

Based on this, I would say if you can get the Caddy t/b to bolt on the intake and clear then there is no reason why it won't all go.

I can't confirm for sure at this moment if the Vette t/b will talk to the Caddy pedal and ECM as you can see they are wired different.

MyWay - thanks for your research. It definately will come in handy when I do the install. Based on above, I could try to re-wire the connector to the TB, but after I bolt it and accessories up, if I have to I will get parts that match (TB ->DBW). Appreciate the advice!

Ron

[69MyWay]

Originally Posted by flash911

MyWay - thanks for your research. It definately will come in handy when I do the install. Based on above, I could try to re-wire the connector to the TB, but after I bolt it and accessories up, if I have to I will get parts that match (TB ->DBW). Appreciate the advice!

Ron

FYI - I talked to jantzerperformance and he confirmed the LS2/3 throttle body is a direct replacement electronically. Based on that - If your Caddy truck style t/b won't bolt up and clear everything needed - you can go this way.

http://cgi.ebay.com/ebaymotors/ws/eB...TQ:MOTORS:1123

[Ron in SoCal]

Originally Posted by 69MyWay

FYI - I talked to jantzerperformance and he confirmed the LS2/3 throttle body is a direct replacement electronically. Based on that - If your Caddy truck style t/b won't bolt up and clear everything needed - you can go this way.

http://cgi.ebay.com/ebaymotors/ws/eB...TQ:MOTORS:1123

Wow - love thier stuff! What do you know about them? Does it perform? I remember when the Weiend LS intake came out, it looked great, but dyno results showed it only made good power up to about 6k...

[69MyWay]

Originally Posted by flash911

Wow - love thier stuff! What do you know about them? Does it perform? I remember when the Weiend LS intake came out, it looked great, but dyno results showed it only made good power up to about 6k...

They're okay. Great prices. The thing is, these ported out parts work best when matched to other performance parts. In your application you might see some gain. The cool thing is, if you need a new t/b anyway - might as well get one that has been reworked since you need it anyway.