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Old 12-05-2012   #1
Schrade
 
Join Date: Dec 2012
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Default Need Memory / Calibration module for '90; re: TSB 47-65-03

Anyone know where I might find this part? My '90 is low mileage, and the PO apparently was never made aware of the upgrade part...

If I can find an ECM in a vette salvage yard, is the ECM typically marked for this service upgrade???

Would any later model LT5 ECM be hot-swap capable?
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Old 12-05-2012   #2
Schrade
 
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Default Re: Need Memory / Calibration module for '90; re: TSB 47-65-03

Found the Haibeck / ZR1 Specialist site; hope still to get responses of my other Q's here...
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Old 12-05-2012   #3
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Default Re: Need Memory / Calibration module for '90; re: TSB 47-65-03

ECMs are not hot swappable.. But you can use any year LT5 ECM in your 90. The service upgrade is just the MEMCAL that is socketed in the ECM. I would suggest just getting a custom MEMCAL done by Marc for your car.
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Old 12-06-2012   #4
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Default Re: Need Memory / Calibration module for '90; re: TSB 47-65-03

Quote:
Originally Posted by Schrade View Post
...snip...
Would any later model LT5 ECM be hot-swap capable?
Jeff is correct the ECMs are not "hot-swappable".
"hot-swap" usually means changing the unit with power on and/or car running. However, if what you meant was can the later ECMs be used in earlier cars, then yes.
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Old 12-06-2012   #5
Schrade
 
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Default Re: Need Memory / Calibration module for '90; re: TSB 47-65-03

Just did exactly that - ordered from M Haibeck.

Seemed like a real pleasant and knowledgeable guy there; obviously not his first day! He'll probably see more of my business...
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Old 12-07-2012   #6
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Default Re: Need Memory / Calibration module for '90; re: TSB 47-65-03

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Originally Posted by Schrade View Post
Seemed like a real pleasant and knowledgeable guy there; obviously not his first day! He'll probably see more of my business...
He's a good guy, and there are plenty of helpful folks on this forum too.
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