74 Challenger EFI and.... Oh yeah Twins

[GreenFish]

Sent..

FYI,

Using the coil test mode helped a lot (and it was pretty cool) for making sure all the coils worked right. Then I used the data log to check to make sure my crank and cam signal were good. I had issues getting it started at first but on a hunch i flipped the cam sensor around 180 and it fired right up.

[GreenFish]

YT,
What are you using for O2 sensors?  Wide band? if so, what are you using for controllers? Innovate LC-2 seems to be the one to use. I'd love to find a 2 channel that can run 2 o2 sensors at once, that doesn't cost $600.

[YellowThumper]

I have the LC2 albeit it is still in the box...
I initially wasn't going to make the car un-drivable. But we all know how plans go. Got to get it going without first so I can actually move the car for access to add it in. Plan is to section my current piping and add the bung. Then just put it back together with some exhaust pipe clamps. Another in the long list of temporary setups. All will have to change when turbo header manifolds are added. Man I want them on sooooooo bad. But have to stick to EFI plan first.

BTW thanks for the help.  Have not been able to get to it. It is bball season with my daughter.
--- enter proud dad moment---
Their current rankings are #13 in the country!

Should be able to get back at it soon.

Mike

[GreenFish]

I have the LC2 albeit it is still in the box...
I initially wasn't going to make the car un-drivable. But we all know how plans go. Got to get it going without first so I can actually move the car for access to add it in. Plan is to section my current piping and add the bung. Then just put it back together with some exhaust pipe clamps. Another in the long list of temporary setups. All will have to change when turbo header manifolds are added. Man I want them on sooooooo bad. But have to stick to EFI plan first.

BTW thanks for the help.  Have not been able to get to it. It is bball season with my daughter.
--- enter proud dad moment---
Their current rankings are #13 in the country!

Should be able to get back at it soon.

Mike

Cool, I think I'm just going with the LC-2s as well. Seems to be the cheapest option that by most reviews works well also.

My project is slow moving right now as well. Winter weather keeps me out of my cold ass garage.

[YellowThumper]

Haven't spent much time on it and have also not been able to get it to start. Ign only.
Believe I am getting correct crank signal but not one for the cam. Been reading a ton trying to see if it is just a setting.
Cam trigger is an adapted frd 302 piece.

Figured this would be...
Gonna keep plugging.

BTW the kids team finished their regular season ranked #11 in country.  for all their hard work. Playoffs time now!
Mike

[quagmire]

Did you use the tooth and composite loggers in Tunerstudio to see if you're even getting valid patterns?  Does it even read RPM when you crank?

When using someone else's tune file, you need to set all of your particular hardware settings still.  Otherwise, trigger angle, phasing, wheel decoder settings,injector size, IAC control and everything else unique to your build could be wrong.

Also, if it is truly a cam signal issue you can simply change your settings to crank only and wasted spark and it should start.  If it still doesn't start, you have something else going on.

[GreenFish]

Yeah, use the composite loggers. it should look like this

[GreenFish]

Then use test mode and check your coils

With key in run mode, in Tuner Studio:

CAN-bus/Testmodes -> Output Test Mode -Inj Spk.

Click Enable Test Mode.

Output interval(ms) = 60
Coil Testing Mode = One
Coil Output to Test = CoilA
Dwell(ms) = 3.5

Click the Start Button in the Coil Testing section.

This tells it to fire CoilA. Go and listen to Coil #1 firing.  Then change "Coil Output to Test" to each coil.  You can even hook a timing light up to the plug wire and verify with 100% certainty that the coil firing is the one that should be firing (or that any coils are even firing at all), but those coils are loud and make it pretty obvious.

[GreenFish]

Also, I dont know if you've done it yet, but I went to staples and had the print out a hard copy spiral bound of the online manual. Color is expensive but black and white is reasonable in price. The pages you need in color you can just print out yourself on your computer.

Just a suggestion

[YellowThumper]

Then use test mode and check your coils

With key in run mode, in Tuner Studio:

CAN-bus/Testmodes -> Output Test Mode -Inj Spk.

Click Enable Test Mode.

Output interval(ms) = 60
Coil Testing Mode = One
Coil Output to Test = CoilA
Dwell(ms) = 3.5

Click the Start Button in the Coil Testing section.

This tells it to fire CoilA. Go and listen to Coil #1 firing.  Then change "Coil Output to Test" to each coil.  You can even hook a timing light up to the plug wire and verify with 100% certainty that the coil firing is the one that should be firing (or that any coils are even firing at all), but those coils are loud and make it pretty obvious.

Yea I was reading up last night on the testing procedure for them. On you have provided previously. 

That will be my next plan of attack. I also found on a thread the wiring color coding for my cam sensor. I will confirm it is the same to what I have found previously when I wired it.
Yep I have a binder going...

Quagmire,
Understood on others tune.
I don't believe I can use wasted spark because of the ls coils. Doesn't it still need the timing event signal for compression vs exhaust stroke?

[GreenFish]

Yea I was reading up last night on the testing procedure for them. On you have provided previously. 

That will be my next plan of attack. I also found on a thread the wiring color coding for my cam sensor. I will confirm it is the same to what I have found previously when I wired it.
Yep I have a binder going...

Quagmire,
Understood on others tune.
I don't believe I can use wasted spark because of the ls coils. Doesn't it still need the timing event signal for compression vs exhaust stroke?

Yes you can, I ran mine on wasted spark just fine. It just means that each bank fires all the coils at the same time instead of each individual coil

[quagmire]

Yup, I'm still running my LS truck coils on wasted spark since I've been too lazy to yank my distributor out and set it up.  I was too preoccupied with the OD trans conversion.

Also, does it even have valid tooth patterns or an RPM reading in tuner studio?  If you don't have RPM yet, don't bother chasing cam wires or actuating coils; you have a crank sensor input issue.

The manual has a very methodical and comprehensive first start section.  I'd run through that, you need to make sure it has a synced and steady RPM value before you do anything else.

[YellowThumper]

Thanks guys for the input.
I did have a small glimmer of hope yesterday. I woke up at 2:30 and went hmm I wonder if I put the fuse in for the coils. Seems I do my best thinking while I sleep. Happens all the time. Checked the next morning and no fuse... :doh:
Had only a couple of minutes last night and nope still no start.

Will hit the books some more and will check in again this weekend.

Thanks again all.

[GreenFish]

Thanks guys for the input.
I did have a small glimmer of hope yesterday. I woke up at 2:30 and went hmm I wonder if I put the fuse in for the coils. Seems I do my best thinking while I sleep. Happens all the time. Checked the next morning and no fuse... :doh:
Had only a couple of minutes last night and nope still no start.

Will hit the books some more and will check in again this weekend.

Thanks again all.

yeah I do my best thinking while laying bed trying to sleep. That's why i suggested using the test method for the coils. You can actually go though and test each coil individually to make sure that A: the coil operates as it should and B: the coil is wired correctly to the correct cylinder.

[YellowThumper]

Managed another 5 minutes on it again. Changed the setting to wasted spark cop. Ran the coil test on #1 and it did nothing. With fuse in (ha ha) confirmed I have the 12 volts.
Will be few days again before I can check other connections.

Oh and ADD kicked in and I pulled rear bumper so I can modify the brackets to push it in close to the body like the 72s are.

Mike