This has been something on my mind since I've removed my engine for a refresh. Much of the 25 year old cables don't seem all the great.
On some Supra's that I've done coil pack clips on, I've noticed that I have strip the oem wires back a fair bit to reach clean conductor cores. Seen some that have corrosion spread back by at least 6 inches or so.
My query is, what wires within the loom do I replace that actually affect the running of the engine?
I don't really want to bother with things either work of they don't like A/C etc. I just don't want any missfires/hesitations or bad running.
Sorry Shane if I've hijacked the thread a little.