Great, more PO BS... Another in the long string I have found. - The 1947 - Present Chevrolet & GMC Truck Message Board Network

redz 1970 K5 · 02-10-2005, 10:57 AM

Finally got around to pulling the Carter AFB last night, first time since I have owned the Blazer that I gave the carb a closer look. Was told over and over it was a 9605, and since I figured that is the right carb for the motor, I went along with it.

Low and behold, it's a 9503... 500 CFM on a 350. Means I am out of airflow by 5,000 RPMS, not to mention to reduced airflow throughout the useable power band. I have been told and seen that you need at least 600CFM for a 350 to breathe decent. Especially with the Performer intake and headers...

Aw well, looks like I will go get an Edelbrock Performer 650 1405 today.

02-10-2005, 10:57 AM	#1
redz 1970 K5 OBS guy Join Date: Jun 2004 Location: SoCal Posts: 1,060	Great, more PO BS... Another in the long string I have found. Finally got around to pulling the Carter AFB last night, first time since I have owned the Blazer that I gave the carb a closer look. Was told over and over it was a 9605, and since I figured that is the right carb for the motor, I went along with it. Low and behold, it's a 9503... 500 CFM on a 350. Means I am out of airflow by 5,000 RPMS, not to mention to reduced airflow throughout the useable power band. I have been told and seen that you need at least 600CFM for a 350 to breathe decent. Especially with the Performer intake and headers... Aw well, looks like I will go get an Edelbrock Performer 650 1405 today. __________________ 88 Suburban Goodies- Alpine, Auto Meter, BDS, Bilstein, B&M, BFG, Borgeson, Bushwhacker, Cowl hood, Flowmaster, Genuine Gear, Holley, Infinity, JVC, K&N, MB Wheels, MSD, Pioneer, Skyjacker, Sony, Thorley, Walker + more

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