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Search took 0.03 seconds. Search: Posts Made By: LT5 Ignition
Forum: Mid-Atlantic Region 03-18-2011
Replies: 16
Views: 3,277
Posted By LT5 Ignition
Re: Who is going to May 2011 C4/ZR-1 BG Gathering???>>

ZZZR1,
Please sign me up for the special plant tour on Thursday at the gathering (and 2 family members).

Thanks,
ZR1 Ignition
Forum: C4 ZR-1 Technical Postings 03-15-2011
Replies: 66
Views: 25,187
Posted By LT5 Ignition
Re: LT5 Ignition Systems Question???

I can now appreciate the concern with the IM availability. Also, I apoligize I got my dates mixed up on LS introductions in post 56. It was the Gen 2 small block LT1 in 1992 (ABITS). The Gen3 LS ~...
Forum: C4 ZR-1 Technical Postings 03-14-2011
Replies: 66
Views: 25,187
Posted By LT5 Ignition
Re: LT5 Ignition Systems Question???

The LT5 ignition control is similar to the L98 distributor system in that when you are cranking the ignition module provides the dwell and it is longer than run mode to handle the transient voltage...
Forum: C4 ZR-1 Technical Postings 03-13-2011
Replies: 66
Views: 25,187
Posted By LT5 Ignition
Re: LT5 Ignition Systems Question???

I think understand. The LSx coils are controlled by their ECU with a 5 volt high to 0.2 volt low signal (EST signal). When the signal is high, the coil turns primary current on and when it falls the...
Forum: C4 ZR-1 Technical Postings 03-10-2011
Replies: 66
Views: 25,187
Posted By LT5 Ignition
Re: LT5 Ignition Systems Question???

XfireZ51 ref. post #35,
There are 3 operating points to challenge an ignition design.
1 idle requires higher energy ( longer, fatter spark ) to ignite the poorer mixture due to low air velocity...
Forum: C4 ZR-1 Technical Postings 03-10-2011
Replies: 66
Views: 25,187
Posted By LT5 Ignition
Re: LT5 Ignition Systems Question???

ZR1don,
thanks for the info on the secondary wires. The IM does not sense or control the high voltage side of the coil (transformer). Therefore it should continue to operate all the coils with...
Forum: C4 ZR-1 Technical Postings 03-02-2011
Replies: 66
Views: 25,187
Posted By LT5 Ignition
Re: LT5 Ignition Systems Question???

After looking at this thread more carefully I can see there is a lot of knowledge on engine controls. I can see it will take awhile for me to catch up. My hobbies are sailing, skiing, woodworking,...
Forum: C4 ZR-1 Technical Postings 02-28-2011
Replies: 66
Views: 25,187
Posted By LT5 Ignition
Re: LT5 Ignition Systems Question???

Thanks,
Some more ignition stuff:
I believe the 1990 LT5 engine was released prior to Northstar. One difference between Ignition modules. Northstar ignition used 2 VR crank sensors with 24 pulses...
Forum: C4 ZR-1 Technical Postings 02-28-2011
Replies: 66
Views: 25,187
Posted By LT5 Ignition
Re: LT5 Ignition Systems Question???

Hey is there a time limit for once you start writing? I just wrote about 5 paragraphs trying to help answer some of the questions and when I hit submit it said I was logged out and I lost the...
Forum: C4 ZR-1 General Postings 02-24-2011
Replies: 23
Views: 3,132
Posted By LT5 Ignition
Re: Welcome GM Ignition System Engineer Ron Wozniak

Thanks for the Birmingham info WB9MCW. A friend just bought a house a few miles from where you grew up, near Walnut Lake. Your football comment reminded me when I had a High School co-op job at the...
Forum: C4 ZR-1 General Postings 02-24-2011
Replies: 23
Views: 3,132
Posted By LT5 Ignition
Re: Welcome GM Ignition System Engineer Ron Wozniak

Thanks everyone for the warm welcome!

I am new at forums in general so who knows what is going to happen. Thanks for your patience in advance. It is cool to see there are ZR1's all over the US...
Showing results 1 to 11 of 11

 
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