What CC are Mopar 516 heads?
Just went through this, my 516’s were around 82cc although did have a previous cheap valve job but were not resurfaced. Installed 1.74 & 2.14″ valves, hardened seats, surfaced 0.005″ & came up with about 76cc.
What CC are Mopar J heads?
‘J-Head’ Combustion Chambers are typically at 68.0 – 72.0 CC’s.
What CC are Mopar 915 heads?
The 915 was a performance-minded redesign of the big-block head, featuring revised ports while retaining the closed-chamber configuration (typical factory chamber volume of 78.5 cc) of the earlier 1964-66 big-block heads.
What CC are Mopar 906 heads?
86 cc’s
Though factory chamber volume is 79 cc’s, the CNC ported 906 chamber volume is increased to 86 cc’s. Hardened valve seats are available at the customer’s request, and the heads can be further milled to reduce chamber volume if needed.
Are 915 heads good?
For a Mopar big-block, the ’67-only 915 head is the most desirable of all junkyard and swap-meet finds because of its good port design, larger valves, and closed combustion chambers. Earlier heads had the quench-friendly closed chambers, but small valves and ports, and later heads went to an open-chamber design.
Is a Mopar 400 a big block?
The Mopar 400 Big Block engine for Chrysler, Dodge and Plymouth makes is a member of the B-series of V-8 engines. This series included with 350, 361 and 383 cubic inch displacements. The 400-cubic inch engine was introduced in 1972 in a high-performance and a standard version.
How can you tell if a Mopar is a small block head?
The casting numbers for small-block Mopar and big-block Mopar are a seven-digit number, which is raised, and usually found in one of two locations. The first would be on the top of the intake runner, under the valve cover. The second location is on the underside of the intake runner on the cylinder head.