WebNov 23, 2004 · A friend of a friend is selling his car and is also trying to get rid of heads with casting-# 3927186. (engine it came from is a 327ci) All I can find on these heads are: 1968-69 302 2.02 1.6. 1968-69 327 2.02 1.6. 1970-72 350 2.02 1.6. I would say, looking at the 2.02 and 1.6, these heads should flow good. WebNov 1, 2007 · The bigger heads to follow were the “double-hump” heads championed by the mid-’60s 327 engines. The easiest way to reference any production head is with the last three digits of its casting number. The most famous heads are the 461 and 462 heads that offer 160-cc intake ports, 64-cc chambers, and 2.02/1.60 …
Chevrolet Double-Hump Cylinder Heads - Circle Track Magazine - MotorTrend
WebAug 24, 2007 · 323 Posts. #3 · Aug 21, 2007. Correct Part #3973370-"Fuelies". Old Man said: Heads on my 350, the D/S head has the 2 humps on the front, numbers as follows. I was surprised when I pulled the valve cover to find roller tipped rockers. Thanks once again guys. 3873370 GM8 N A270. Hi Paul, make a note here for the future! WebOct 17, 2007 · Aug 19, 2007. 43. hamilton, ontario. hi i picked up a set a double hump heads the casting number is 3890462 for free but need to be reconditioned. are these any good and could i get somke help with info like what they were on and sizes also are they worth anything? thanks for any help, chad_48. Oct 17, 2007. #2. methods of health evaluation
Chevy "Double Hump" Cylinder Heads - Brzezinski Racing Products
http://chevellestuff.net/qd/head_casting_by_year.htm WebGeneral Motors identifies its small-block Chevy cylinder heads with both casting numbers and casting marks. "Double-hump" heads were found on many of its high-performance engines in the 1960s and early 1970s. … http://outintheshop.com/faq/casting/heads.html how to add more humidity to house