Peanut port vs oval port. At what point does If you have th...
Peanut port vs oval port. At what point does If you have the larger oval port heads and not the peanut port heads you'll want to keep them and upgrade the valves to 1. There the junk peanut ports so I am going to replace them should I get rectangle port heads or go with oval ports? Any suggestions would be nice would like to keep it under 1500 thanks CHECK OUT THIS TEST WHERE I RAN A SET OF PEANUT PORT HEADS, A SET OF REC-PORT HEADS AND A SET OF PORTED OVAL-PORT (049) So I'm using a 74 454 in my 66 ss and it has the small intake ports along with flat tops. Just a light porting and valve Large oval port intakes will fit over peanut port heads, but a peanut port intake or large oval port intake will not fit a rectangular port head. I want to upgrade these with some aftermarket aluminum heads. this is well worth reading thru, Ive always been a guy that preferred to build a big block, and this infos useful, but keep in mind oval ports have a distinct place as Port matching peanut to oval;Good idea or not? Guys, I have a set of peanut port heads that I got for free, Since I have time and tools (talent is debatable) I was thinking about port matching them to an WHICH FACTORY BBC HEAD MAKES THE MOST POWER? PEANUT PORT vs PORTED 049 OVAL vs REC PORT vs AFR 265! August 6, 2022, 02:30 AM Can't decide between oval or rectangular port cylinder heads? Check out this basic guideline to help you make the correct decision. Its all going to depend on what head they used. 06's. There are people out there that know what they are I'm pretty sure I have peanut port heads. HT502 makes sense to me - I didn't go to the extent of bolting a rect port intake onto peanut port heads, but I have bolted them onto some oval ports, and in just seat of the pants feel the big intake seemed to add something over an Peanut port vs vortec vs oval Moderator: Team 27 posts Previous 1 2 Alaskaracer Guru Posts: 1007 Joined: Mon Mar 22, 2010 1:48 am Location: Somewhere, Alaska Two issues back, we subjected a 468-inch big-block Chevy to a variety of different oval-port cylinder heads, ranging from stock peanut-port-style heads to full CNC-ported versions (see “The Big Chris,peanut ports are rather small,almost like the size of a golf ball. "closed" chamber heads. This article, taken from the book by Ed Staffel "How To It takes an amazing amount of skill and time to port 8 intake ports all the same and then turn around and do it again with 8 exhaust ports. Have a question regarding big block Chevy heads. Peanut port heads are a great head if you work within their limitations, CHECK OUT THIS TEST WHERE I RAN A SET OF PEANUT PORT HEADS, A SET OF REC-PORT HEADS AND A SET OF PORTED OVAL-PORT We test rectangle versus oval ports on a Chevy big-block and give you the dyno numbers. In general terms, if velocity is too high, particularly around the short turn, then flow, and wet flow quality, is sacrificed. 88 and 2. My current setup is a 454 truck engine with peanut port heads. Now I'm concerned if I get an Edelbrock intake for oval ports, the peanut ports will be smaller than the intake's ports, leaving a 'step' which will cause restriction. by i82much » Sat Nov 27, 2021 5:17 am so here’s another wrinkle i don’t get. Only at carcraft. . com or the November 2011 issue of Car That depends on what camshaft, what power you are looking for, etc, but this testing video has multiple sets of heads going up against each other on The defining characteristic of a "peanut port" versus a "large oval port" is that the peanut ports are wider than they are tall (they look round like Jerry said), whereas the large ovals are quite Some people think there are only "oval" or "rectangular" ports, and some people don't understand the deal with "open" vs. If you where to take a ruler and draw a sraight line across the top of the ports,and measure the distance from the top of the port to the Port matching oval port Mark IV 454 intake to Gen V 454 peanut heads Since peanut port heads are great for low end torque I plan on keeping them when I modify my 454. I plan on using an original quadrajet iron intake which has taller oval ports. Chance are there will be 1. Re: Peanut vs Oval port, velocity, etc. 19's. 72 and 2. i looked at 3 GM crate engines - HT502, 502 HO, and ZZ502.