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Where to get computer for an LT5 engine.

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Old 08-30-2018, 01:11 PM
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BlackRocket
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Default Where to get computer for an LT5 engine.

Anyone know if there are aftermarket computers or what NOS computer will run an LT5?

Are they different from a standard mid 90's C4 or same system?

Thanks!

Old 08-31-2018, 11:13 AM
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ccmano
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Originally Posted by BlackRocket
Anyone know if there are aftermarket computers or what NOS computer will run an LT5?

Are they different from a standard mid 90's C4 or same system?

Thanks!
I assume you mean the ECU. Yes it is unique to the ZR-1/LT5. They rarely fail, what makes you think you need a new one?
If it is truly bad you can send it to Marc Haibeck at ZR1Specialist.com for check out and rebuild. Give him a call.
H
Old 09-01-2018, 04:49 AM
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Rkreigh
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Originally Posted by ccmano


I assume you mean the ECU. Yes it is unique to the ZR-1/LT5. They rarely fail, what makes you think you need a new one?
If it is truly bad you can send it to Marc Haibeck at ZR1Specialist.com for check out and rebuild. Give him a call.
H
raptor made a plug and play harness for the megasquirt ecm which does a nice job

you'll lose the interface to the mileage computer and the security system but those are minor in comparison to the faster performance and new capabilities of the megasquirt plus much easier tuning

not too many folks have gone this route yet. The raptor solution retains the spark controller box DIC which is getting rare and expensive.

I'd like to see the megasquirt go full coil on plug as to me that's the way to go.
Old 09-01-2018, 01:19 PM
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91vettezr1
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Originally Posted by Rkreigh
raptor made a plug and play harness for the megasquirt ecm which does a nice job

you'll lose the interface to the mileage computer and the security system but those are minor in comparison to the faster performance and new capabilities of the megasquirt plus much easier tuning

not too many folks have gone this route yet. The raptor solution retains the spark controller box DIC which is getting rare and expensive.

I'd like to see the megasquirt go full coil on plug as to me that's the way to go.
I heard marc haibec was offering a rebuild service for these.
zr1specialist.com


We can test your ECM in a car. This is useful if there is a doubt whether the ECM is really at fault. If the ECM should test as good you can move on with the diagnostic process without investing in an expensive and hard to find part.

The car is the ultimate test machine.

The cost for the testing is $150. plus the return shipping cost. Overnight return shipping is available.

If the ECM has a fault we have a repair service. There is a 70% chance that the repair will be sucessfull. The turnaround time is about 14 business days. Acceptance for service is subject to our incoming inspection. Units that are water damaged, crash damaged or damaged from a prevoius repair are not eligable for repair. The cost for repair is $475. plus the return shipping cost. If the unit can not be repaired the only cost is for return shipping.

Last edited by 91vettezr1; 09-06-2018 at 10:24 AM.

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