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Old 08-03-2016   #1
-=Jeff=-
 
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Default Re: ECM And Ignition Module Availability/ replacement

Hi Jerry,

What Aftermarket systems are good for use with the LT5? I assume the Megasquirt will work with an external trigger wheel. I am curious of all the options currently
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1990 Corvette ZR-1 #1051
Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback
Late Model IH - Plenum
Coilovers - 4.10s
Shelby Series 1 - Wilwood Brakes
Custom Interior
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Old 08-04-2016   #2
A26B
 
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Default Re: ECM And Ignition Module Availability/ replacement

Quote:
Originally Posted by -=Jeff=- View Post
Hi Jerry,

What Aftermarket systems are good for use with the LT5? I assume the Megasquirt will work with an external trigger wheel. I am curious of all the options currently
Jeff,

Others here can answer "all the options currently" question better than I can. I think all aftermarket units will probably require a trigger wheel different than the reluctor wheel on the LT5 crank.
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Jerry Downey
JERRYS LT5 GASKETS & PARTS
http://www.jerrysgaskets.com
1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc.
2016 Black-Red, 3LT-Z51 Auto 8-speed.
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Old 08-04-2016   #3
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Default Re: ECM And Ignition Module Availability/ replacement

Quote:
Originally Posted by A26B View Post
Jeff,

Others here can answer "all the options currently" question better than I can. I think all aftermarket units will probably require a trigger wheel different than the reluctor wheel on the LT5 crank.
Fair enough.. I knew it would require an external trigger wheel
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1990 Corvette ZR-1 #1051
Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback
Late Model IH - Plenum
Coilovers - 4.10s
Shelby Series 1 - Wilwood Brakes
Custom Interior
NCM Lifetime Member #978
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Old 08-04-2016   #4
grahambehan
 
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Default Re: ECM And Ignition Module Availability/ replacement

Quote:
Originally Posted by -=Jeff=- View Post
Fair enough.. I knew it would require an external trigger wheel
Megasquirt does not require any external trigger, it will work with the 9x 1x stock LT5 configuration. There are other issues though.

GB
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Old 08-04-2016   #5
-=Jeff=-
 
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Default ECM And Ignition Module Availability/ replacement

Quote:
Originally Posted by grahambehan View Post
Megasquirt does not require any external trigger, it will work with the 9x 1x stock LT5 configuration. There are other issues though.

GB

Still using stock Ignition module? Or is it built in to the mega squirt ECM


What are the other issues?

Sent from my iPhone using ZR-1 Net Registry
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1990 Corvette ZR-1 #1051
Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback
Late Model IH - Plenum
Coilovers - 4.10s
Shelby Series 1 - Wilwood Brakes
Custom Interior
NCM Lifetime Member #978

Last edited by -=Jeff=-; 08-04-2016 at 01:25 PM.
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Old 08-04-2016   #6
grahambehan
 
Join Date: Feb 2013
Location: New Concord Kentucky
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Default Re: ECM And Ignition Module Availability/ replacement

Quote:
Originally Posted by -=Jeff=- View Post
Still using stock Ignition module? Or is it built in to the mega squirt ECM


What are the other issues?

Sent from my iPhone using ZR-1 Net Registry
Still using stock ign module, sees it as a single HEI coil. Problems with serial data coms to vehicle dash CCM etc.

Graham.
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