I have a 512 in my 68 Charger street car , AC 3.54 gears, OD trans , my solid FT cam is 248 @ .050 110 LSA, take about 6 deg out for the lash, it works very well for a street sometimes strip car, any more overlap & it would not be very streetable for my combination.

1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5