1969 Shelby 428 CobraJet Ported vs Manifold Vacuum & Vacuum Advance Diaphragm Impact & Testing 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 THE TRUTH About Vacuum Advance- What is it and WHY do you need it?? Ignition Timing 101
Some say manifold vacuumsome say ported. As far as we're concerned, there's only one right way to power your distributors 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 Vacuum advance test run
WANT TO BUY TUNING INSTRUMENTS? Below are the links of tuning instrument i used on my tutorials VGATE MAXISCAN Why is vacuum advance connected to ported vacuum on Edelbrock
Checking Intake manifold Vacuum for late ignition timing Thanks to subscriber Kevin Clemence for inspiring this video. Article by Steve Davis and David Vizard: Vacuum advance has absolutely nothing to do with total timing or performance, as when the throttle is opened, manifold vacuum drops essentially
Vac advance, ported or manifold? | Mustang Forums at StangNet How to set vacuum advance on older cars
The conventional way of setting ignition timing on an engine is perfect for low performance operation, but exactly opposite of Ported or Manifold vacuum? The REAL difference between manifold and ported vacuum
How To Choose Between Timed or Manifold Vacuum Tuning the 5.0. Changed the timing from manifold vacuum to ported vacuum. Timing set to 16 degrees initial 36 total at 3500 rpm.
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 Ported Vacuum #shorts
Manifold vacuum demonstration Ported vs Manifold Vacuum: Three More Things To Consider Ported vs Manifold Vacuum: How I am Going to Settle the Debate!
Vacuum Advance - Ported vs Manifold: Which to Use & When !!! What is the difference between Manifold & Ported Vacuum Advance In this video I talk about three different types of vacuum advance and what I generally use. There are probably ways of tuning
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 P.S. The ONLY difference of operation between 'manifold' and 'ported' vacuum to the advance can is during idle and low-throttle acceleration.
Ported Vacuum vs Intake Manifold Vacuum Holley Carb: Ported vs Manifold Vacuum Advance (CARB BASICS PART 1.5)
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 Full Manifold Vacuum = Cooler Engine For The Street.
Ported vs. Manifold Vaccum Advance! | Were To Hook It Up And Why | How Are They Different? Manifold OR Ported Vacuum Advance?? There is a case to be made and I side with David Vizard!
improve power, throttle response, and economy!!! this is the most misunderstood item on oldschool carbureted engine tuning. Ported Vacuum VS Manifold Vacuum vacuum advance! do you hook it to ported / timed vacuum or manifold vaccum? this is a long standing argument and conversation
We know a modified engine normally wants vacuum advance on manifold vacuum. What if it's a mild engine? I tried mine on both Here are two videos showing what to expect from a ported Vacuum source at the throttle plate (normally used to control vacuum
Ported vs. Manifold Vacuum for Vac Advance - The AMC Forum Ported vacuum peak Ported or Manifold Distributor Vacuum? - CorvetteForum - Chevrolet
Ignition timing is essential to proper engine performance and in this video, we explain exactly how it works. We clear up some 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
The Vacuum Advance Debate! 2-Intake Manifold vs PortedVacuum Comparison With Two Vacuum Gauges
The advantage to ported is that it withholds vacuum advance at idle (until you nudge the throttle open). Manifold vacuum is good for low compression engines. Part 2 The Ultimate Vacuum Advance Tuning Guide Manifold vacuum or Ported
Fine tuning- runs better with vacuum advance plugged, even with ported vacuum. #shirts #cars #viral. 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 For 68 Charger T shirts, click here
DISTRIBUTOR VACUUM ADVANCERS CONNECTION PORTED AND MANIFOLD Under a slight load, manifold vacuum drops. Ported increases slightly. Also, and you can try this, ported vacuum can be considerably higher (as
Never Connect Your Vacuum Advance to Ported Vacuum! What a properly operating vacuum advance should look like. We discuss the correct ignition vacuum advance source for your classic car and explain why and how it works! #ignitionsystem
Ported vacuum or manifold vacuum advance? Which is better? Many automotive YouTubers believe it is the former, but I disagree! Ported vs Manifold Vacuum | Hot Rod Forum
Unity Motorsports Garage dives into the deep subject of Vacuum Advance for Distributors. We take a look back and discuss this Vacuum advance distributors are your friend, stop disconnecting them
Yes I know it's kind of gross but you'll know in a couple of seconds if your advance is good. Full Manifold Vacuum or Not
You need to set up your vacuum lines like this on your engine #shorts How Ignition Timing Works: Vacuum and Mechanical Advance Explained!
DYI Instructions How to Easily at Home Set up the vacuum lines on a Carburetor on a Car or Truck: Square Body Chevy C10 This shows how my Chevy 350 reacts to different vacuum sources. It seems using full intake manifold vacuum makes it idle rough
The easiest way to check a vacuum advance Where to Hook Up Vacuum Lines On A Holley Carburetor
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. Ported vs Manifold Vacuum Advance for your Classic Car
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 Vacuum Advance Timing: Ported Vs. Manifold | Chevy Tri Five Forum
Settling the debate around manifold or ported vacuum for vacuum advance. Stop unplugging your vacuum advance on distributors Demo: Ported vs. Manifold Vacuum in 318 w/ Holly 4bbl
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 Learn More: In this video, we cover where to attach the various vacuum connections on
Manifold vs Ported Vacuum Advance: Quick Testing Update The number of comments left on videos where I share the fact that there are TWO options for vacuum assisted advance in a Should I Use Ported, Manifold Vacuum Advance or Mechanical Timing Advance?
I explain the theory behind why you should almost always use manifold vacuum to control your vacuum advance on a classic Make That Thing JUMP When You Whack The Gas!
Run direct vacuum and gain a tuning spectrum that won't be there with ported Ignition Timing For Power Tuning how to set vacuum advance on older cars.
Vacuum Advance - Ported, Manifold, or None My Interpretation 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
Very simple, ported vacuum comes from a source ABOVE the throttle blades. Manifold vacuum comes from a source BELOW the throttle blades. A We Finally Settle the Vacuum Advance Debate
Timing advance changed from manifold to ported. Why does everyone that's running an Edelbrock (pos Carter AFB) use the wrong vacuum port on their advance? Every, single, one. have their insights into running manifold vs ported vacuum to settle and disputes.
Fine Engine Tuning With A Vacuum Gauge Lets take a moment to understand vacuum advance together. what is vacuum advance how does vacuum advance work vacuum The Ultimate Vacuum Advance Video Part 1
Ported vs manifold for vac advance? Bad Vacuum Advance! We demonstrate how manifold vacuum is affected at the different stages of throttle postitions.
You can gain so much daily driver efficiency by running vacuum advance, it's free…it's there use it. Vacuum Advance Explained - What it is & How it Works vacuum lines,port of manifold and ported
Just a quick update on my testing for the manifold vs ported vacuum advance debate. Stickers and Shirts and Such: Just another opinion video about what to do with the vacuum can. Testing a distributor vacuum advance #shorts
Manifold vs Ported Vacuum | FordSix Performance Forum Fine tuning- runs better with vacuum advance plugged, even with ported vacuum. #shirts #cars #viral
Ignition or timing advance is often the key to making the most horsepower possible. Deciding on whether you should use ported Very few modifications will give you the immediate Seat-Of-The-Pants results that re-curving your distributor will. Here's everything
In this video I show the difference between Ported Vacuum and Intake Manifold Vacuum at a few different throttle opening Should I convert from ported to manifold vacuum? : MGB & GT And again, PORTED vacuum advance from the factory. 🙄😅
This video hows the difference between Intake Manifold and Carburetor Ported Vacuum on a running engine. It also shows the