I picked up this Holley carb and I have no idea what it is. It looks like it may be a factory 800 cfm Vacume secondays but I dont know for sure.
Any Ideas?
Here are the #'s

3997788 - GB
List - 6238 - 1
241

Thanks in advance,
Nick

Carb List 6238-1:
3997788GB is the part number for the following

1972 Camaro z28 350/255hp with auto trans

241=

2 = 1972
4 = April
1= 1st week

Jonesy,

Thank You for the decode. I have been all over Holleys website and I couldn't find it. By chance do know what size it is? 780, 800??
Thanks Again,
Nick

www.mortec.com (http://www.mortec.com) list it as a 780

http://www.mortec.com/carbs.htm

Thanks graemlins/thumbsup.gif
I never thought to look there for the info.
Thanks Again,
Nick