LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

LTCC vs Delteq

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Old Jun 7, 2006 | 11:37 AM
  #16  
White H/C 94Z's Avatar
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Re: LTCC vs Delteq

I went with the LTCC. I like the built in rev limiter and adjustable retard built into the box. I also like the idea of a 1 coil per cylinder instead of 1 coil per 2 cylinder(although it probably doesn't make a difference). The bad part is it doesn't come as a complete kit, you have to piece it together, but thats really no biggy.

Either way you can't go wrong. I'd say it really comes down to preference. Good luck though you won't be dissapointed with either.
Old Jun 7, 2006 | 08:21 PM
  #17  
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Re: LTCC vs Delteq

Originally Posted by thesoundandthefury
The port under the throttle body is the vaccuum port for the PCV valve on 95-up models. 92-93 LT1 intake manifolds didn't have that port underneath the throttle body. As far as "they," there is only one optispark vent hose connected to the side of the intake manifold. The other vent hose is connected to the intake elbow.

He WILL need an extra vaccuum port on his 92 intake if he intends to vent his optispark.
Sorry I MENT PCV. I was in a hurry to get a customer job out and typed in the wrong three leters

And yes I have seven LT1/4 92-97 intakes sitting here I know what you are talking about he does not NEED another port. He just needs to "T" into the EGR port
Old Jun 8, 2006 | 02:04 AM
  #18  
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Re: LTCC vs Delteq

One last question, I think Ive learned alot besides which Optispark to run(like whats the part #). Remember I do not have the original one. So if I wanted to buy a replacement unit or get a used one what one do I need to get to then setup up on Delteq.
Old Jun 8, 2006 | 06:09 AM
  #19  
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Re: LTCC vs Delteq

Originally Posted by 92_RSCamaro
One last question, I think Ive learned alot besides which Optispark to run(like whats the part #). Remember I do not have the original one. So if I wanted to buy a replacement unit or get a used one what one do I need to get to then setup up on Delteq.
http://www.gmpartsdirect.com/results...=1104032<br />

http://www.gmpartsdirect.com/results...umber=12552426 (95 Timing Chain Cover to run with your Cloyes Double Roller)

http://www.gmpartsdirect.com/results...umber=12555323 (Vent hoses)
Old Jul 24, 2006 | 03:02 PM
  #20  
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Re: LTCC vs Delteq

Originally Posted by thesoundandthefury
Well that settles it: the LT1 ECM is what you'll need to go with. The TBI ECM's are only configured to fire 2 injectors instead of 8. It's just going to be more of a challenge getting the LT1 ECM set up to work with all the 92's guages and existing wiring.
Don't be so sure.

http://www.dynamicefi.com/

Highly modified, refined, ultimate C3 ECM. Just get the injector driver upgrade and you can control 8 P&H injectors. The data logging is amazing. Faster rate and more data than an LT1 PCM. And more performance-oriented options, like nitrous control, 2-bar boost control, soft rev limiter and the list goes on. Best part is, you can modify an original TBI ECM (most of them) to get this functionality.
Old Jul 24, 2006 | 06:33 PM
  #21  
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Re: LTCC vs Delteq

Originally Posted by kevm14
Don't be so sure.

http://www.dynamicefi.com/

Highly modified, refined, ultimate C3 ECM. Just get the injector driver upgrade and you can control 8 P&H injectors. The data logging is amazing. Faster rate and more data than an LT1 PCM. And more performance-oriented options, like nitrous control, 2-bar boost control, soft rev limiter and the list goes on. Best part is, you can modify an original TBI ECM (most of them) to get this functionality.
Interesting find. This might be a way to get LT1 OBDI programmability and ditch the optispark perhaps?
Old Jul 25, 2006 | 12:01 AM
  #22  
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Re: LTCC vs Delteq

To bad it won't control the dash or transmission
Old Jul 25, 2006 | 12:51 AM
  #23  
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Re: LTCC vs Delteq

Originally Posted by OneFlyn95z28
To bad it won't control the dash or transmission
Maybe use it strictly for fuel and spark and piggyback it to the stock PCM so it can still control everything else?
Old Jul 26, 2006 | 12:09 PM
  #24  
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Re: LTCC vs Delteq

Yeah I guess you'd have to use the stock PCM for the transmission and dash, or something. It WILL do the dash in an 84 crossfire vette . But from an engine control standpoint, this setup (called EBL, "embedded lockers"), it's really very good. Everyone who has used it says the engine drives better, smoother, more power, and better mileage. And this is with throttle body.
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