Just a quick update on my testing for the manifold vs ported vacuum advance debate. Stickers and Shirts and Such: Under a slight load, manifold vacuum drops. Ported increases slightly. Also, and you can try this, ported vacuum can be considerably higher (as Tuning how to set vacuum advance on older cars.
The REAL difference between manifold and ported vacuum Ported or Manifold Distributor Vacuum? - CorvetteForum - Chevrolet If it has suction at idle, it is a manifold vac port. If your idle does not change when hooked up it is a ported vacuum location. There are
You can gain so much daily driver efficiency by running vacuum advance, it's free…it's there use it. Holley Carb: Ported vs Manifold Vacuum Advance (CARB BASICS PART 1.5)
Vacuum Advance - Ported vs Manifold: Which to Use & When !!! And again, PORTED vacuum advance from the factory. 🙄😅 Vacuum Advance - Ported, Manifold, or None My Interpretation
We know a modified engine normally wants vacuum advance on manifold vacuum. What if it's a mild engine? I tried mine on both Ported Vacuum #shorts
Thanks to subscriber Kevin Clemence for inspiring this video. Article by Steve Davis and David Vizard: Manifold OR Ported Vacuum Advance?? There is a case to be made and I side with David Vizard! You need to set up your vacuum lines like this on your engine #shorts
2-Intake Manifold vs PortedVacuum Comparison With Two Vacuum Gauges This video hows the difference between Intake Manifold and Carburetor Ported Vacuum on a running engine. It also shows the Port vs Manifold Vacuum | Vintage Mustang Forums
2:30 error - I should have said 20 in Hg or so. Was reading the meter incorrectly while driving. I don't think a standard V8 can As you noted manifold vac raises the idles speed. Ported vacuum on some engines caused other problems as the article noted and the engine did
Stop unplugging your vacuum advance on distributors Here are two videos showing what to expect from a ported Vacuum source at the throttle plate (normally used to control vacuum full or ported vacuum for vacuum advance?
When it comes to getting maximum power and economy from an old school carbureted engine, a vacuum gauge is an important Ported vacuum or manifold vacuum advance? Which is better? Many automotive YouTubers believe it is the former, but I disagree!
Vacuum advance distributors are your friend, stop disconnecting them Vac advance, ported or manifold? | Mustang Forums at StangNet
Full Manifold Vacuum = Cooler Engine For The Street. insights into running manifold vs ported vacuum to settle and disputes. Timing advance changed from manifold to ported.
Never Connect Your Vacuum Advance to Ported Vacuum! Checking Intake manifold Vacuum for late ignition timing
Demo: Ported vs. Manifold Vacuum in 318 w/ Holly 4bbl What is the difference between Manifold & Ported Vacuum Advance
vacuum lines,port of manifold and ported For 68 Charger T shirts, click here Ported vs Manifold Vacuum: How I am Going to Settle the Debate!
Why do you need vacuum advance? Port or Manifold? I give my take on which I prefer. Also, do you use lock washers? You might DYI Instructions How to Easily at Home Set up the vacuum lines on a Carburetor on a Car or Truck: Square Body Chevy C10 Today, I go over two manifolds, one 2020 Mustang GT Manifold ported by 1320Junkie and another, just a stock 2021 F150
Classic Car MPG And The Forgotten Tool In this episode I follow up on Part 1 of what I called The Ultimate Vacuum Advance Tuning video As you can imagine it sparked WANT TO BUY TUNING INSTRUMENTS? Below are the links of tuning instrument i used on my tutorials VGATE MAXISCAN
Part 2 The Ultimate Vacuum Advance Tuning Guide Tuning the 5.0. Changed the timing from manifold vacuum to ported vacuum. Timing set to 16 degrees initial 36 total at 3500 rpm. How To Diagnose Common Engine Problems With A Vacuum Gauge
It is more concerned with load on the engine. So as more load is placed on the engine, manifold vacuum decreases, and ported vac increases. But Vacuum Advance Timing: Ported Vs. Manifold | Chevy Tri Five Forum How To Choose Between Timed or Manifold Vacuum
How to set vacuum advance on older cars Yes, you can use manifold vacuum with an HEI (High Energy Ignition) distributor. In fact, using manifold vacuum for the vacuum advance is
Just another opinion video about what to do with the vacuum can. Manifold vs Ported Vacuum Advance: Quick Testing Update
Ported vs manifold for vac advance? How Ignition Timing Works: Vacuum and Mechanical Advance Explained! Fine tuning- runs better with vacuum advance plugged, even with ported vacuum. #shirts #cars #viral
so last time i just did a quick education on vacuum advance and got alot of feedback wanting more info. also some nay sayers so Most of the time the answer will be manifold vacuum. The question is, when might you use ported vacuum? I talk about this in my Learn More: In this video, we cover where to attach the various vacuum connections on
Manifold vacuum comes from a source BELOW the throttle blades. A ported vacuum connection will not register vacuum until the throttle is opened. THE TRUTH About Vacuum Advance- What is it and WHY do you need it?? Ignition Timing 101
Ported vs Manifold Vacuum: Three More Things To Consider Ignition timing is essential to proper engine performance and in this video, we explain exactly how it works. We clear up some The Vacuum Advance Debate!
All engines use vacuum in some capacity. On older vehicles the carburetors were often designed with different vacuum ports to Adjusting the older EZ EFI throttle body to decrease and/or eliminate manifold vacuum at idle for "ported" vacuum source. Ported VS Stock Intake Manifold - Tech Tips
Ported vacuum peak Ported Vacuum VS Manifold Vacuum
Manifold vs Ported Vacuum | FordSix Performance Forum Ignition or timing advance is often the key to making the most horsepower possible. Deciding on whether you should use ported One of them on ported, the other on Manifold. The only difference is at idle. Once the throttle is cracked open both values are the same up to
Ported vs. Manifold Vaccum Advance! | Were To Hook It Up And Why | How Are They Different? EZ EFI Ported Vacuum Adjustment The number of comments left on videos where I share the fact that there are TWO options for vacuum assisted advance in a
In this video I show the difference between Ported Vacuum and Intake Manifold Vacuum at a few different throttle opening This test is all about choosing the features you want and need on your carburetor, and how those features affect your horsepower Unity Motorsports Garage dives into the deep subject of Vacuum Advance for Distributors. We take a look back and discuss this
You never run the vacuum advance to a manifold vacuum source regardless of engine size, camhaft size, or any other factor. It ALWAYS goes to ported vacuum. Yes I know it's kind of gross but you'll know in a couple of seconds if your advance is good. In this video I talk about three different types of vacuum advance and what I generally use. There are probably ways of tuning
I explain the theory behind why you should almost always use manifold vacuum to control your vacuum advance on a classic Ported vs Manifold Vacuum Advance for your Classic Car vacuum advance! do you hook it to ported / timed vacuum or manifold vaccum? this is a long standing argument and conversation
Some say manifold vacuumsome say ported. As far as we're concerned, there's only one right way to power your distributors Where to Hook Up Vacuum Lines On A Holley Carburetor Ported or Manifold vacuum?
We discuss the correct ignition vacuum advance source for your classic car and explain why and how it works! #ignitionsystem Manifold vacuum or Ported
1969 Shelby 428 CobraJet Ported vs Manifold Vacuum & Vacuum Advance Diaphragm Impact & Testing Ported vs. Manifold Vacuum for Vac Advance - The AMC Forum Carburetor Confusion! What's the Best Setup? | Engine Masters | MotorTrend
The TRUTH on Intake Manifolds 😳 #shorts DISTRIBUTOR VACUUM ADVANCERS CONNECTION PORTED AND MANIFOLD Fine Engine Tuning With A Vacuum Gauge
The easiest way to check a vacuum advance Run direct vacuum and gain a tuning spectrum that won’t be there with ported Vacuum advance test run
Should I Use Ported, Manifold Vacuum Advance or Mechanical Timing Advance? The difference between manifold and ported is with manifold as the source at idle the engine is getting the base setting plus the maximum the vacuum advance improve power, throttle response, and economy!!! this is the most misunderstood item on oldschool carbureted engine tuning.
Changing to manifold vacuum instead of ported vacuum will only change your timing at idle. You don't need to worry about changing your timing or Settling the debate around manifold or ported vacuum for vacuum advance. Ported vs Manifold Vacuum | Hot Rod Forum
We Finally Settle the Vacuum Advance Debate For some reason choosing between which type of vacuum to run off the carburetor or TBI EFI is a big controversary. It shouldn't be
Fine tuning- runs better with vacuum advance plugged, even with ported vacuum. #shirts #cars #viral. How to understand the difference between manifold and ported vacuum sources How to use a vacuum gauge on a carbureted engine to diagnose problems like a sticky valve, ignition component problems or too
Here's everything you need to know about using a vacuum gauge as a tuning device. A few great ways to dial things in, and one The Ultimate Vacuum Advance Video Part 1
Full Manifold Vacuum or Not