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Lt10s in fc but think it's for fd

Old 10-27-15, 03:00 PM
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Lt10s in fc but think it's for fd

So I got this lt10s with my var and switched it from an fd ingiter and msd blaster coils to stock fc coils thinking it would be fine .

Finally got to starting my car on my lt10s...but I am having lots of weird issues with rpm readings on my gauges being incorrect and the car not wanting to hold an idle.

I'm wondering if this ecu was programmed for an fd type of ignition..and that's why the car is having all kinds of weir ignition related issues...

I put the fc coils on thinking the only reason the previous owner went to the fd type ignition was for an upgrade with the blaster coils, and I didn't even think the ecu carer what coils\ignition you ran.

Can anyone help or has anyone had this same issue ? My car will start but the rpm readings on my stock gauge are way off and super jumpy
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Old 10-29-15, 10:12 PM
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Got it figured out. Gonna modify some trailing coils to work like they would in an fd.
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