Fuel return is the best set up,my opinion, but what do I know, the temps down here in Southeast Texas get above 100 on a regular basis & underhood temps are very high,fuel return works well.
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
