I've got a memcal, but the chip was taken out and an adapter was soldered on. Since that's usually how you ID these things, i was wondering if i could use any of the other numbers on this thing to find out what it originally came out of. On the side is: 68767 25699 1. On one of the smaller chips is: 16133420BV. Other one: 16072665BV.

 

If nothing else, can someone tell me the memcal part number i need for an 88 L98 with 2.77's?

 

ABYA is the code used on my 88 with 2:73s. Theres a whole list of factory bbc for camaros and firebirds in the faq on the home page for TGO. And the bins available for download at DIY EFI .