I've been running a 4150 Holley with no choke for years. Cold start routine for me is run at 1800rpms for 15 seconds with idle set around 950. Dont chug it at low rpms, that will definitely foul your plugs. Holley has some nice tutorial videos. I'm guessing your squirter size is 35 not 25? Your car should scream with that CID/cam/heads
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Chris D
69 GTO Liberty Blue/dark blue
T400, 9" w 3.50s, 3905lbs
461, 850 Holley, T2, KRE 310s, Comp HR 236/242D .572/.594L, RA manifolds, 11.53@114, 1.55/60
The spare: 467, 850 Holley, T2, Edelbrock Dport 310cfm w RA manifolds, Howard HFT 245/251D .561/.594L, 11.59@ 114, 1.57/ 60'
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