Pretty sure what's gonna happen here is as soon as I buy one here I'll find the 2 or 3 of them I've saved, but can't locate now. But yes.....I need one....the one behind the passenger kick, over the ECU. Originally thought it was the ignition switch, swapped in a known good one.... NOT IT. Just changed the starter....NOT IT. Only thing left is this relay. Anybody?

They can add the board to existing older boxes like my EM4.   Pretty nice to see they've stepped up their game to allow this feature for EMS programming.   http://www.sdsefi.com/data.htm     http://www.sdsefi.com/log2.jpg

Anybody using SDS coil packs?   I'm looking for input on using coil packs or more so SDS's coil packs? I can upgrade to their driver box & coils but would also need a diff. Hall sensor and 2nd magnet to pulley wheel, adding up to more $$$.

Went to start & my MSD crapped out. No spark. Several sources claim they are unreliable. I hate unreliable & don't want to buy one plus a spare to not get stuck somewhere later on as others have actually done   I'm looking for input on using coil packs or more so SDS's coil packs? I can upgrade to their driver box & coils but would also need a diff. Hall sensor and 2nd magnet to pulley wheel, adding up to more $$$. Still less than 2 MSD 6 ALs.     Otherwise is a Mallory box a