reluctor fabrication
TECH Apprentice
Joined: Feb 2011
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curent plan is to start teardown on the truck this Friday/Saturday. I have several updates/mods/repairs to get done as well. should be field testing within 2 to 4 weeks.
If I havent posted earler, the prototype is built, signals worked out, ready to mod the truck for quick distributor switch over (incase of an unforseen failure) I am anticipating a couple of issues due to unknown parameters. otherwise hopeing for smooth sailing.
If I havent posted earler, the prototype is built, signals worked out, ready to mod the truck for quick distributor switch over (incase of an unforseen failure) I am anticipating a couple of issues due to unknown parameters. otherwise hopeing for smooth sailing.
On The Tree
Joined: Jul 2013
Posts: 194
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A lot of people, for various reasons. LT1 tuners are getting hard to find, there is much better tuning software available for the 0411 pcm, and more tuners willing to tune them. also you get to ditch the hard to service Optispark. enough reasons for most of us. and this option is much cheaper than the EFI 24x.
yeah, many good points. And lots of ways to go with this.
The vortec distributor at the back is going to be a pain for the F-body guys, Impalas and Vettes should be a little easier. (and truck/jeep/transplant guys)
whats the current favorite tuning software for the 411's, EFI live, HP tuners or something else? I have my old LT1 stuff kicking around here, which worked fine last time I did any tuning. I don't think the stock PCM is too much of a limitation for most builds.
It does seem that there is some middle ground between the stock stuff and the 24x.
Bob
The vortec distributor at the back is going to be a pain for the F-body guys, Impalas and Vettes should be a little easier. (and truck/jeep/transplant guys)
whats the current favorite tuning software for the 411's, EFI live, HP tuners or something else? I have my old LT1 stuff kicking around here, which worked fine last time I did any tuning. I don't think the stock PCM is too much of a limitation for most builds.
It does seem that there is some middle ground between the stock stuff and the 24x.
Bob
TECH Apprentice
Joined: Feb 2011
Posts: 301
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yeah, many good points. And lots of ways to go with this.
The vortec distributor at the back is going to be a pain for the F-body guys, Impalas and Vettes should be a little easier. (and truck/jeep/transplant guys)
whats the current favorite tuning software for the 411's, EFI live, HP tuners or something else? I have my old LT1 stuff kicking around here, which worked fine last time I did any tuning. I don't think the stock PCM is too much of a limitation for most builds.
It does seem that there is some middle ground between the stock stuff and the 24x.
Bob
The vortec distributor at the back is going to be a pain for the F-body guys, Impalas and Vettes should be a little easier. (and truck/jeep/transplant guys)
whats the current favorite tuning software for the 411's, EFI live, HP tuners or something else? I have my old LT1 stuff kicking around here, which worked fine last time I did any tuning. I don't think the stock PCM is too much of a limitation for most builds.
It does seem that there is some middle ground between the stock stuff and the 24x.
Bob
the 411 is capable of running 4,6, and 8 cylinders, CNP, coil packs, and Standard EFI distributor, TBI, TPI, MPFI, CPFI. plus it is way easer to tune. as far as tuning software, it is about 50/50, EFILive / HP Tunners. I personally am running EFILive. the Bigest reason to go 411 for the LT guys, is to get away from the Opti-no-spark. it will make the system more reliable IMO
in later vehicles, doing PCM swaps like this causes issues with other controllers in the car, like fancy dashboards in the vettes, trip computers, body modules, etc.
I'm pretty familiar with the F body and Impala, but do the vettes have problems like this when swapping?
I'm thinking that an interface that converts opti signals to 24x + cam could be a cool gadget. It would allow the PCM conversion with no engine changes, and then if (ok, when) the opti dies, convert the rest of the way....?
You're making me wish I still had my Impala....
Bob
I'm pretty familiar with the F body and Impala, but do the vettes have problems like this when swapping?
I'm thinking that an interface that converts opti signals to 24x + cam could be a cool gadget. It would allow the PCM conversion with no engine changes, and then if (ok, when) the opti dies, convert the rest of the way....?
You're making me wish I still had my Impala....
Bob
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TECH Apprentice
Joined: Feb 2011
Posts: 301
Likes: 0
in later vehicles, doing PCM swaps like this causes issues with other controllers in the car, like fancy dashboards in the vettes, trip computers, body modules, etc.
I'm pretty familiar with the F body and Impala, but do the vettes have problems like this when swapping?
I'm thinking that an interface that converts opti signals to 24x + cam could be a cool gadget. It would allow the PCM conversion with no engine changes, and then if (ok, when) the opti dies, convert the rest of the way....?
You're making me wish I still had my Impala....
Bob
I'm pretty familiar with the F body and Impala, but do the vettes have problems like this when swapping?
I'm thinking that an interface that converts opti signals to 24x + cam could be a cool gadget. It would allow the PCM conversion with no engine changes, and then if (ok, when) the opti dies, convert the rest of the way....?
You're making me wish I still had my Impala....
Bob
Launching!
Joined: Apr 2013
Posts: 225
Likes: 0
I doubt there would be a problem with the Camaros. However the LT1 Corvettes ECM connects to the CCM, and using a different one can cause a few issues.
TECH Apprentice
Joined: Feb 2011
Posts: 301
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ok Guys the wait is almost over! the truck went down Saturday, "2nd time in a week" same scenerio, tach dropped to "0" motor shut down, and we were coasting. last time it was a bad amplifier. I questioned the coil last time as well, this time it will get changed for sure. I have seen this a lot with bad plug wires, mine are Taylor spiral wound, so they should be good, but I will check them to!
I will start the teardown wednesday, hopefully be up and running in 10 days. stay tuned, the adventure is about to start.
Last edited by Tinbender59; Sep 29, 2014 at 04:47 PM.
Launching!
Joined: Apr 2013
Posts: 225
Likes: 0
if I am not mistaken? the 411 has a data buss as well, that is how the BCM sent the Tow/Haul signal to the ECU. ????
ok Guys the wait is almost over! the truck went down Saturday, "2nd time in a week" same scenerio, tach dropped to "0" motor shut down, and we were coasting. last time it was a bad amplifier. I questioned the coil last time as well, this time it will get changed for sure. I have seen this a lot with bad plug wires, mine are Taylor spiral wound, so they should be good, but I will check them to!
I will start the teardown wednesday, hopefully be up and running in 10 days. stay tuned, the adventure is about to start.
ok Guys the wait is almost over! the truck went down Saturday, "2nd time in a week" same scenerio, tach dropped to "0" motor shut down, and we were coasting. last time it was a bad amplifier. I questioned the coil last time as well, this time it will get changed for sure. I have seen this a lot with bad plug wires, mine are Taylor spiral wound, so they should be good, but I will check them to!
I will start the teardown wednesday, hopefully be up and running in 10 days. stay tuned, the adventure is about to start.
TECH Apprentice
Joined: Feb 2011
Posts: 301
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the motor is down to a long block, I will be putting an LT4 hot cam in then back together it goes, MagnaTronX is assembled (I will be testing functionality tonight, and post results) Hope to have it back up and running By 11/2/14 On the MagnaTronX. Waa Hoo
TECH Apprentice
Joined: Feb 2011
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IT WORKS!!!! https://www.flickr.com/photos/tinbender59/15427254347/ the 12vdc light flashes on and off!! next is to get it mounted and check the timming
I wrote a book & timed out... Ughh
I think youd be way better off with an XE or XFI 258 LT1 cam in that heavy 4x4!!! If you tow or do any wheelin the specs of a 252 or 258 Xtreme roller would be better... I wouldnt go over a 260 adv duration... 218 or 220 @ .05 is a bit much on a heavy 4x4... I wouldnt put a Hot Cam in My Solid Axle S10 ext cab Im buildin but a Xtreme 252 or 258 with atleast .550 lift with 1.6 rockers will be good to go in My book... Just My 2cents
I think youd be way better off with an XE or XFI 258 LT1 cam in that heavy 4x4!!! If you tow or do any wheelin the specs of a 252 or 258 Xtreme roller would be better... I wouldnt go over a 260 adv duration... 218 or 220 @ .05 is a bit much on a heavy 4x4... I wouldnt put a Hot Cam in My Solid Axle S10 ext cab Im buildin but a Xtreme 252 or 258 with atleast .550 lift with 1.6 rockers will be good to go in My book... Just My 2cents
TECH Apprentice
Joined: Feb 2011
Posts: 301
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I wrote a book & timed out... Ughh
I think youd be way better off with an XE or XFI 258 LT1 cam in that heavy 4x4!!! If you tow or do any wheelin the specs of a 252 or 258 Xtreme roller would be better... I wouldnt go over a 260 adv duration... 218 or 220 @ .05 is a bit much on a heavy 4x4... I wouldnt put a Hot Cam in My Solid Axle S10 ext cab Im buildin but a Xtreme 252 or 258 with atleast .550 lift with 1.6 rockers will be good to go in My book... Just My 2cents
I think youd be way better off with an XE or XFI 258 LT1 cam in that heavy 4x4!!! If you tow or do any wheelin the specs of a 252 or 258 Xtreme roller would be better... I wouldnt go over a 260 adv duration... 218 or 220 @ .05 is a bit much on a heavy 4x4... I wouldnt put a Hot Cam in My Solid Axle S10 ext cab Im buildin but a Xtreme 252 or 258 with atleast .550 lift with 1.6 rockers will be good to go in My book... Just My 2cents
