Jun 23, 2006 · Peanut ports are ULTRA small port B/B heads , with torque designed into their casting. A guy in town added a big cam to a 366 truck engine, W/ peanut port heads.

Nov 4, 2003 · yeah, I know dump them, well I build alot of big block engines and I now have 6 complete sets of peanut port heads in the shop that guys have given or sold to me for next to nothing, has …

Feb 3, 2022 · Hey Team Chevelle I would love your thought and opinions on properly upgrading this block or leave it alone? known engine info: casting number 361959(1977 truck), eldelbrock performer …

Nov 28, 2007 · I'm no expert but I think "peanut port" heads didn't come along until well after closed chamber heads were history. As I recall, peanut port heads have round ports and oval port heads …

Sep 3, 2022 · So I'm using a 74 454 in my 66 ss and it has the small intake ports along with flat tops. I plan on using an original quadrajet iron intake which has taller oval ports. I have a set of 67 396 …

Nov 17, 2020 · Cam that works with peanut heads Ported by Mark, May not be the Best cam for op! Just to remind that Marks 236 casting heads intake port flows around 300cfm, exhaust port over 220cfm. …

Oct 13, 2020 · (3) The CSA of the peanut port heads is too small for 467 inches at that rpm. When the CSA is too small, closing the intake valve later can make more power. Street cars typically have …

Feb 10, 2009 · I am building a 454 for my Chevelle and I'm on a budget. I was given a pair of peanut port heads for free that have been rebuilt. can I still get 450+ HP with these heads? what kind of mild …

Mar 7, 2012 · greetings, I've started porting 236 heads today and I need some feedback the heads had 2.19/1.88 valves previously also I started to match the intake ports to stock intake gasket a year ago …

Sep 1, 2012 · The pp heads are great for street as the work generally begins at 1500 rpms and goes hard to 4,000. My engine will spin to 5,000 but I'm sure most of the work is done earlier.