HA is a suffix code for a 1969 350/300 manual transmission engine, 0521 indicates May 21 (http://chevellestuff.net/qd/engine/sb03_codes_d_hz.htm) but 3858180 is a 65-66 block is the intake (66 327/275 w/A.I.R. cast iron with Rochester. Heads show to be 64-65 283 and crank as 62-65 327.
Looks like a hodgepodge of small-block parts. A "replacement" motor? I guess if one considers a pieced together engine a replacement, then it would be. Dale From: [email protected] [mailto:[email protected]] On Behalf Of Barnes, Alex Sent: Monday, June 06, 2011 1:44 PM To: The Chevelle Mailing List Subject: Re: [Chevelle-list] 66 327 Engine numbers T052IHA, 3858180 Intake 3875954 Heads 3795896 Crank 2680 Guys the only number i cant figure out is the T052IHA, i think from the story i got its a replacement motor. I brought it home saturday. Thanks guys for your help. _____ From: [email protected] [mailto:[email protected]] On Behalf Of Chum Nault Sent: Friday, June 03, 2011 10:38 AM To: 'The Chevelle Mailing List' Subject: Re: [Chevelle-list] 66 327 Alex That motor came with a carter 4027s, there is one on ebay right now from a 66. I can't find any info on the CFM. The Holley that came on the L79 350HP was 585 so I'm sure it wouldn't be any more than that. I found a discussion thread where a guy flow tested them and said they were 582 but take that for what it is worth. Chum Nault _____ From: [email protected] [mailto:[email protected]] On Behalf Of Barnes, Alex Sent: Thursday, June 02, 2011 6:15 PM To: The Chevelle Mailing List Subject: [Chevelle-list] 66 327 Hi guys, Recently bought a 66 327 rpo L30 motor and power glide. Does anyone know what the cfm of the carb was? Thanks Alex
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