Performance and Accessories 2nd gen only Talk about Dodge/Cummins aftermarket products for second generation trucks here. Can include high-performance mods, or general accessories.

Smarty Timing????

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Old 01-25-2007 | 07:34 PM
  #16  
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From: Wichita, Kansas
Originally Posted by Mike D
NCTurbos, I suspect that with the fueling of the higher software numbers with timing 5,7 and 9 there is too much fuel on the bottom for trucks with larger injector and fueling box. I always felt as though the truck was being held back going down the track. It was an animal off the line, but kind of fell on its face past the 1/8. One other thing I always complained about was the pedal never felt linear, there was no difference between floored and say 3/4 pedal. In some case if I had it matted and let off the truck would surge ahead.
I'll add to what Mike has said. I've actually been running SW#5 for quite some time now. It's just as strong up top but I have more pedal to play with. Running DD3's and SW#9, I felt like the truck was doggy until the turbo lit. I haven't tried SW#3 because I don't have any statistical way to measure a difference... SOP meters can be thrown off by expectations so I'll leave the real data to those of you who dyno regular and run the 1/4.
Old 01-25-2007 | 07:42 PM
  #17  
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From: Red Deer, Alberta
Bring us some good news Marco & Bob...
Old 01-25-2007 | 10:12 PM
  #18  
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From: Blowing Rock,NC
I've heard from more than one good source that he's just getting the 3rd gen worked out then we'll get some attention! Dont Get discouraged! Just keep asking! My Girl Friend tells me that i say the same thing , as soon as i finish my truck youll get some attention! ... Just Kidding!
Old 01-26-2007 | 01:05 AM
  #19  
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From: fredericksburg, virginia
Originally Posted by Mike D
Fuel saver program has the most timing from what I've heard. Dynamtic timing means the timing will be reduced at WOT by the ECM?
From what I understand the catcher programs retard timing during low boost in order to help spool. Thats why its "dynamic"
Old 01-26-2007 | 08:31 AM
  #20  
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From: Hills of West Virginia
Originally Posted by BigBlue
That'd be a great thing. After driving my truck for a while with the smarty I'm a believer that the smarty just doesn't add enough timing. It adds some but I know that there's just gotta be more in there. I think I'm gonna stack an EZ on my truck for the timing and use the smarty for the bottom end and TST for the top end. To bad Marco's not making any more programs for us. It'd be nice to see a higher timing software. Stupid picky 3rd gen owners.
Blue, I'm pretty sure Mysterync told me he liked running his smarty on the lower timing settings stacked with his other timing box.

Ok here it is , Lucas says " Ive ran both, Extra timing kills the truck 9 instead of 8 feels like your falling on your face! i can run level 2 or 3, and it seems the truck is more responsive, quiter and dosent smoke as bad, after that it has to be all no timed programs!" ( MysteryNc)
Old 01-26-2007 | 09:43 AM
  #21  
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From: Rural Hall, NC
Originally Posted by Ph4tty
From what I understand the catcher programs retard timing during low boost in order to help spool. Thats why its "dynamic"
That makes sense, but I've also heard the timing will retard at WOT to prevent high heat exposer to the cylinders, unlike the EZ.
Old 01-26-2007 | 02:16 PM
  #22  
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Originally Posted by Mike D
Blue, I spoke with Bob too... He's going to talk to Marco for me...

NCTurbos, I suspect that with the fueling of the higher software numbers with timing 5,7 and 9 there is too much fuel on the bottom for trucks with larger injector and fueling box. I always felt as though the truck was being held back going down the track. It was an animal off the line, but kind of fell on its face past the 1/8. One other thing I always complained about was the pedal never felt linear, there was no difference between floored and say 3/4 pedal. In some case if I had it matted and let off the truck would surge ahead.

Back when I had the MAD ecm, I actually lost HP on the dyno if I held the pedal to the floor. If I held the pedal about 1 inch off the floor I would record higher numbers. So that lead me to believe Marco had somewhat compressed the fueling trying to bring more fuel on the bottom.

I would run consistent 13.4s to 13.6s depend if I ran 9, 7 or at 99 mph, no matter what I did. I may have cracked 100 mph a couple of times. I wasn't until I ran #5 that I went a 13.3 at 101. So this is what gave me the thought to try #3. The first time I loaded #3 I wasn't crazy about the bottom end, but once the turbo lit I knew I had something. My time slips proved me right.

I have since ran a best of 13.025 at close to 103 mph... The only thing that has changed was running #3...
I have noticed this with the Smarty also. I found out about it after installing a new turbo when I was trying to learn how fast I could get out of it in order to prevent a bad bark.

I noticed that when a mashed pedal is slowly released there is often a significant surge in power at some point. The surge is the " right into the front of the seat back" type of surge. The first couple of times it happened it really caught me off guard. The surge is that noticeable.

I am only guessing here so bear with me, but I agree with you. All of the Catcher SW settings do pretty much the same thing. The higher SW settings do it at progressively lower throttle positions and the lower SW settings do it the oposite. The lower SW's do it at higher throttle positions. To me that could be why SW3 seems to do better on the track and on the dyno. Because with SW3 the surge point of the throttle is closer to WOT. Because WOT is the throttle position most used during those events the surge throttle postion and WOT are closer to being the same postion.

Jim
Old 01-27-2007 | 02:17 PM
  #23  
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From: Rural Hall, NC
Jim, That's a great explanation! SW#3 has next to no surge that I can detect.
Old 01-28-2007 | 02:59 AM
  #24  
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From: Cummins Technical Center, IN
Originally Posted by Mike D
Did Marco say he wasn't building anymore programs for us? I hope that's not the case...

I sent Marco an email not long ago requesting a program similar to #3 with all the fuel the vp44 can deliver via the ECM with additional timing similar to #1 to try at the track. Never heard a reply.

I still feel the same as you Blue. I think there is more work to be done for the over-fueled crowd.

If I can drop 4 tenths going from #7 to number 3, I'm sure some additional timing on top of 3 would be the ticket. Then I'll add the Comp. version TST to the mix.

The faster times on #3 vs #7 are not due to timing-- it's fuel. You simply have too much fuel too soon on the higher settings.

#7 and #9 are capable of equalling the performance of #3 and surpassing it. But you have to manually pedal it pretty well and the consistency is going to be shot.

With lotsa practice, you could equal the performance of the milder settings.



If you doubt my theory above, prove it to yourself by swapping in smaller or stock injectors. With stock sticks, #9 will win almost every time.

JMO
Old 01-28-2007 | 09:15 AM
  #25  
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From: Texas/Oklahoma Border
Originally Posted by HOHN
The faster times on #3 vs #7 are not due to timing-- it's fuel. You simply have too much fuel too soon on the higher settings.JMO
I would agree with Justin.
All the sluggish problems I had at the track, from higher settings, ...including quenching the fire.... disappeared when I went to twins, and 60+ psi boost.
I will be checking times with Smarty on #3 in the spring, but don't really believe it will help on my setup??

RJ
Old 01-28-2007 | 09:40 AM
  #26  
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From: Rural Hall, NC
Originally Posted by HOHN
The faster times on #3 vs #7 are not due to timing-- it's fuel. You simply have too much fuel too soon on the higher settings.

#7 and #9 are capable of equalling the performance of #3 and surpassing it. But you have to manually pedal it pretty well and the consistency is going to be shot.

With lotsa practice, you could equal the performance of the milder settings.



If you doubt my theory above, prove it to yourself by swapping in smaller or stock injectors. With stock sticks, #9 will win almost every time.

JMO
I agree with you Hohn, I've said the same in the past. Too much fuel too early. All I can say is what I've seen at the track. I would like to have a program like number 3 with the timing in the fuel saver program to see how it would be at the track.

I've run all the programs with timing a bunch at the 1/4.. I've got a pile of time slips. I've tried to pedal the throttle with little improvement, not to say it can't be done, just not by me.

I'm not going to take my Mach's injectors out nor do I have plans for twins right now. I'm happy with my results running #3 and thought others who drag race would like to try my approach. Dropping four tenths is pretty darn good, I don't care how it's done.
Old 01-28-2007 | 01:46 PM
  #27  
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From: Elk Grove,CA.
I also agree with the too much fuel at low boost. I hope
to see a more refined #5 that has less initial fuel at low
boost and a little more agressive timing advance. It could
be called the "light towing" program Less than 7000#
Old 01-29-2007 | 01:02 AM
  #28  
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From: fredericksburg, virginia
A drag racing set of sw's and a towing set does sound like a good idea. Now if Marco can only figure out a way to let his dealers make custom tunes we would see a bunch of new options availible =P
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