Also a dual plane intake can cause many running problems when under a load, if you have a dual plane intake put at least a 1in open spacer on it & see how it does, OR put a good single plane intake on it

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