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The G2 adapter allows you to integrate new series of flash chips in many GM TBI applications. If the original application accepted a 24-pin chip such as a 2732A, then this adapter will allow you to upgrade to new Flash chips such as the AT29C256 and 27SF512.
This G2 will work if your orginal ECM had a leg spacing of 0.60".
For the G2 versi
5.0
8 ratings
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Worked great for my 1987 GMC 1500 Pickup. Did the slim install and was able to re-install the cover plate no problem. Very pleased with the result.
J
Jonathan · August 2, 2026
Worked perfect for the 7170 ECM in a Fiero GT!
Worked perfect for the 7170 ECM in a 1987 Pontiac Fiero GT! That runs SO MUCH BETTER after being able to adjust the tune for E-10 gas.
M
Mark · June 19, 2026
Glad this product is still available. It's critical for people working with older GM vehicles.