Stock filters are usually designed to give good low end fuel atomisation at the expense of top end as well as muffling intake roar. They are the first thing removed in road racing. Alternative it to drill holes in the air box or outer cover to increase breathing at top end while retaining filtering. Or stick an after market foam filter in it.
Great work! Thank you for putting numbers on the speculation of many. From my own tests, pulling the filter on the NT carburetor, heavy loads requiring torque like WOT hill climbs become very, very boggy. It seems like the velocity across the main jet has reduced in this situation the point where the engine runs very lean. To compensate, putting on the choke about 1/4 of the way seems to really help get up these hills. It would be really interesting to see what power and torque looks like on a Dyno right before stall under heavy load with different airfilter configurations. Similarly, drilling a couple holes in the exhaust internal tube really increased the low end torque on my build. The impact of different exhaust mods would be very interesting if you haven't looked into it already.
I actually found the air filter to be a bottleneck for me a while back... took it off along with sanding down my stock head and cutting the baffle in my exhaust. I got a fair power boost
Have you ever used a velocity stack? The old Amal carburettors from England used them somewhat. They came with a small mesh screen, but were also available without the screen. Kind of trumpet shaped...
I took the filter head off and squished two filters between the plastic inserts and screwed it back on still have filters it and I get plenty of air flow
Im going to be getting ahold of ya in near future. To order engine and parts. I have a 5 spd Schwinn cruiser. I think i seen a video where a jack shaft attached to frame seat post tube and somehow linked to rear derailer gears. Are you aware of how to do this? If so do you carry parts to make the rear gearing work. Im impressed how, putting your equipment to the test. Ive been watching and learning. I've a collection of old Schwinns. I going to make a few gas bikes and looking to you guys. Thanks for sharing, videos are awesome
Hey I installed a window piston and its only running on choke what's up?the arrow facing the ex and Windows facing intake.its just a regular head and intake
i wish they would show More of the Computer Screen , instead of zooming in on the number,, we Can see it , and pause the Video .. But if you would Back up , and Show us all the Data, on the Screen , i Would love these videos even more,, thank for the content
These little engines must have a FLAT torque curve cause peak torque went from 3600(?) To 6000(?) I know from motorcycles and other small engine I need you need a filter in place to tune properly, but nice to see someone testing it and showing the resultes
the stock filter is shit. my bike ran very poorly with it because it restricted airflow. when i removed the filter i got +15kmh and way more power (destroyed the clutch)
I just ordered a banana pipe expansion chamber Muffler off of eBay to see what it would test it to see if would make power and torque or if it would lose power and torque will you return to me,
triple 40 Zeda 80 aftermarket head HP card 2mm head gasket supercharged CDI and in in NGK spark plugthat' 36 tooth sprockets #41 Roller chain what I that's i have now
my mom just passed away and i need to get my bike on rode so i can get food and stuff i am up set i wood of got a 79cc 4strok if i noo now what i shuold no than just so much bas on the cheep 2stroks and my was not cheep 200cash guys i am poor can any one help me buy a muffler ill put it on let u no what speed u get stock one u get and than what speed u get from one upgraded muffler
Plz data log and review a cold start hp/tq number v.s. running or hot I'm curious if engine temperature is proportional to the engine performance and is there a point in which engine heat manipulates tolerance or drops peak power
willard Buchanan Hey Willard, you try looking at their online website? They have a phone number where you can speak to a tech and get your Q’s answered. Zedamotorsports.com
I know in theory it works, and there is still back and forth of whether or not it actually helps, but what about boost bottles. I have always considered them more of decoration, but come on MAFIA... Lay the argument to rest!
It's only 200 bucks 😂 also I went off roading constantly for about a month straight still do occasionally and I took the jug off and there was no damage at all no sort of scoring or cracks
Sure you will loose hp with stock filter But you won't loose an engin either There is some dumb ass on U Tube says the hell with the filter these are cheap engines anyway More reason to run a filter WHAT A DUMB ASS
That's awesome you're doing awesome reviews and testing I just put a sick bike part open air filter NT carburetor on my motor
Rob keep up the Small Details coming. It's a Look into the dedication you have for the Zeda Family. Your going to be Flooded soon..!!
Bob Greene thanks man.
I enjoy all of the testing and vidios on things we might do ourselves so thanks! And that nitrous vidio was epic!
Stock filters are usually designed to give good low end fuel atomisation at the expense of top end as well as muffling intake roar.
They are the first thing removed in road racing.
Alternative it to drill holes in the air box or outer cover to increase breathing at top end while retaining filtering.
Or stick an after market foam filter in it.
I just used a dremel and turned 4 holes into 2 holes
Great work! Thank you for putting numbers on the speculation of many. From my own tests, pulling the filter on the NT carburetor, heavy loads requiring torque like WOT hill climbs become very, very boggy. It seems like the velocity across the main jet has reduced in this situation the point where the engine runs very lean. To compensate, putting on the choke about 1/4 of the way seems to really help get up these hills. It would be really interesting to see what power and torque looks like on a Dyno right before stall under heavy load with different airfilter configurations. Similarly, drilling a couple holes in the exhaust internal tube really increased the low end torque on my build. The impact of different exhaust mods would be very interesting if you haven't looked into it already.
I even wrap electrical tape around the intake tube several times to try to get it to s
Sill up and it works for a little bit and it came back off
Good test,l drilled holes in my filter cover 4 more air flow
I just completely removed mine
I actually found the air filter to be a bottleneck for me a while back... took it off along with sanding down my stock head and cutting the baffle in my exhaust. I got a fair power boost
I found a Uni Filter with a rubber boot that clamped on the carb. About the size of a soda can. Used it on all my motors and never had an issue.
I drilled a 1/4 sized hole on the black plastic filter and definitely noticed a top speed difference
Have you ever used a velocity stack? The old Amal carburettors from England used them somewhat. They came with a small mesh screen, but were also available without the screen. Kind of trumpet shaped...
OOOooo a dual spark no reed frank! I want one so bad!
I took the filter head off and squished two filters between the plastic inserts and screwed it back on still have filters it and I get plenty of air flow
Im going to be getting ahold of ya in near future. To order engine and parts. I have a 5 spd Schwinn cruiser. I think i seen a video where a jack shaft attached to frame seat post tube and somehow linked to rear derailer gears. Are you aware of how to do this? If so do you carry parts to make the rear gearing work.
Im impressed how, putting your equipment to the test. Ive been watching and learning. I've a collection of old Schwinns. I going to make a few gas bikes and looking to you guys. Thanks for sharing, videos are awesome
Cool. Gotta get a red filter. Real unrestricted. I drilled holes in stock filter and w expansion chamber low end was improved. But I'm short 1 dyno..😁
Love the work brothas..def buying my next engine off of u guys!!!
You removed the filter u need to set the needle
it probably already set.
@@MagusArtStudios Yeah, I think they know about that too haha
Hey I installed a window piston and its only running on choke what's up?the arrow facing the ex and Windows facing intake.its just a regular head and intake
Can you test a 4t engine?
Do you know the secret of off set piston pins?
just get a less restrictive filter, and make sure its further away and has a lip before it so it doesn't get the gas mix in it
Hold up. What was 8hp at 6 lb ft torque
I tried putting my HP carburetor on my Zeta triple 40 and wouldn't fit makeup falling off the stock intake
how do you rev it to 9000 rpm ???? i wanna do that
I wonder if you guys have a shop
You make stock parts look like racing parts
They do. Also very expensive.
i wish they would show More of the Computer Screen , instead of zooming in on the number,, we Can see it , and pause the Video .. But if you would Back up , and Show us all the Data, on the Screen , i Would love these videos even more,, thank for the content
These little engines must have a FLAT torque curve cause peak torque went from 3600(?) To 6000(?) I know from motorcycles and other small engine I need you need a filter in place to tune properly, but nice to see someone testing it and showing the resultes
I just cut the 3 down tubes off. Flush w the case/housing.
the stock filter is shit. my bike ran very poorly with it because it restricted airflow. when i removed the filter i got +15kmh and way more power (destroyed the clutch)
Whoop whoop I seent that icp shirt
Try and the expansion chamber Muffler is shaped like a banana and see if it makes or breaks horsepower or Torque
willard Buchanan send us one
@@checkoutsmolikperformance223 He will give you a like and you buy one and test it.
so I have a question will making the fuel to oil mixture leaner make the engine more hot for example 50:1 is more hot while 20 to 1 is more colder
CrossedPlay most likely but youre also running a richer gas mixture which also can cool the cylinder morw
Why do you stop the engine in between? Seems like youd get better pulls if you had the fuel flowing before you hit it.
Paul Kojack bc the computer software I’m still learning. I haven’t picked the book up on how to over lay pulls
If some dirt goes in there y'all know what's gonna happen.
Its a chinese motor so why not
I just ordered a banana pipe expansion chamber Muffler off of eBay to see what it would test it to see if would make power and torque or if it would lose power and torque will you return to me,
triple 40 Zeda 80 aftermarket head HP card 2mm head gasket supercharged CDI and in in NGK spark plugthat' 36 tooth sprockets #41 Roller chain
what I that's i have now
Спасибо
Question? SO ! Who is the guy that so angry on youtube making a statement that your engines are so bad?
Clogged filter it hinders the engine performance greatly 😡
You Will prob get more power if you give it more fuel
my mom just passed away and i need to get my bike on rode so i can get food and stuff i am up set i wood of got a 79cc 4strok if i noo now what i shuold no than just so much bas on the cheep 2stroks and my was not cheep 200cash guys i am poor can any one help me buy a muffler ill put it on let u no what speed u get stock one u get and than what speed u get from one upgraded muffler
Plz data log and review a cold start hp/tq number v.s. running or hot
I'm curious if engine temperature is proportional to the engine performance and is there a point in which engine heat manipulates tolerance or drops peak power
I am looking for a muffler for my bike what are the price ranges on your website for your guyses performance muffler
willard Buchanan Hey Willard, you try looking at their online website? They have a phone number where you can speak to a tech and get your Q’s answered. Zedamotorsports.com
Como fasso para compra uma tampa de cabeçote com duas velas alguém do Brasil
I want my motor to do 60 mph ....what I need to to able upgrade my motor to do 60 mph pls help me out
A large downward slope. Thats the cheapest way.
5 hp motor and a jackshaft kit considering these go 35 stock , you aren't doing this on a stock cylinder or intake/exhaust
I know in theory it works, and there is still back and forth of whether or not it actually helps, but what about boost bottles. I have always considered them more of decoration, but come on MAFIA... Lay the argument to rest!
I think if at the beginning of the run you gave it half throttle for a second or two the low end torque would be higher.
Is it ok to go full rev with a cold motor?
No not good for any engine, yes iam a mechanic and can explain why if i need too.
Turbo it
Notable difference but is it worth ruining your engine? Not to me it's not!!! Protect you investment!
It's only 200 bucks 😂 also I went off roading constantly for about a month straight still do occasionally and I took the jug off and there was no damage at all no sort of scoring or cracks
Hughes motorized bikes did a yest on this and it's completely fine to run without an air filter
Test
Sure you will loose hp with stock filter
But you won't loose an engin either
There is some dumb ass on U Tube says the hell with the filter these are cheap engines anyway
More reason to run a filter
WHAT A DUMB ASS