Carburetor CFM Mods! | Big Performance Gain! | Project XMC Holley Carburetor | Fine Tuning Airflow
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project XMC is out X-treamly Modified Carburetor Build that we are doing with a 600cfm Holley carburetor!
we have ported it, polished it, and even stuffed it full of J&B Weld! and the result was an extra 100+cfm of airflow and 2 times the booster signal! WOW!
here is @josephnowak video on flow bench testing it during its multiple transformations and modifications were he breaks the numbers down in a spreadsheet and an easy to follow and understand format
• Holley 600 + JB Weld |...
now it is time to do more testing! flow numbers are nice and all....but I want to SEE what is happening with airflow you know what I mean?
well I have just the way to test it!
#engine #car #carburetor #tuning #holley #diy
Пікірлер: 29
This is incredible I am just blown away
@newguysgarage6802
18 күн бұрын
I can't tell if your serious or using sarcasm 😅 I thought it was pretty neat to see how the air is getting pulled into the carburetor, need a better setup though so I can film the affect better! 😃
@jeffreyurbain9604
17 күн бұрын
@@newguysgarage6802 Oh no, I’m serious. I’ve been watching this XMC with great anticipation. Every episode I’m so impressed with the results.
@newguysgarage6802
17 күн бұрын
@@jeffreyurbain9604 project XMC has really shown what works! I have also been blown away by its results, and just using playdough on that other carburetor with tangible visual results has given me many ideas! 😃 The actual flow test with Joseph Nowak has been extremely valuable too, and to think we achieved all of that without altering the venturi diameter is crazy 😂
Have you looked at the TMP Carbs guy on KZread? Huge cfm carbs but man does he do some magic
@newguysgarage6802
17 күн бұрын
@@mikeyj5383 haven't seen him, can you post a link for me? 😯
Project xmc is coming along nicely. I registered just to comment on your videos here. As a fellow carburetor and speed freak enthusiast I like your break out of the box mentality. So speaking about booster signal - how about a comparison test with a clear tube between the main body and the vacume? Hook up a fuid supply somehow to the booster wirh a jet. Nothin fancy, quick and dirty does the trick!
@newguysgarage6802
16 күн бұрын
@@DanLeveque oh dude sweet! I truly appreciate you following along and I am truly humbled you made an account just to comment! Thank you! 😃 Ok so the setup your suggesting, are we looking for how the fluid will come out of the boosters? Or what is it we are looking for! 😁
@DanLeveque
16 күн бұрын
Basically, let's see physically what's happening with that increased booster signal on the xmc vs the proform vs the play doh modified proform
@newguysgarage6802
16 күн бұрын
@DanLeveque I can put a fuel bowl on and fill it with a liquid then vacuum test the proform with and without the playdough to see if the liquid get atomized any differently 🤔 I could also get a vacuum guage and hook it up to the booster passage to see if we can put playdough in a few spots at a time and see if we can see an increase in vacuum! 😃
@DanLeveque
16 күн бұрын
@newguysgarage6802 play on brother! I think it would be interesting to see. I have no idea if a regular vacume gage would work. I think it would require something more sensitive. Ultimately though the xmc has something more to say and I'm fascinated with how it will really work on the road and track. I personally run that same proform main body and have been real impressed with it. I have a 850 vs base plate I've been interested in adding to it. Started lookin around to see what other people were doin and found you doin your thing. Shoot I'm talking too much. Lookin forward to your next experience man!
@newguysgarage6802
16 күн бұрын
@DanLeveque I put an 850 baseplate on my 750 main body a while ago! I have some videos on how I did it if you hadn't seen it already 😃 kzread.info/dash/bejne/gHiYss-oh5utqJM.html
Well it's amazing what a man can do with a little play dough & a cigar 😃 was that a Cuban cigar or a king Edward ,,😃 but now that did show flow progress 👍 👍
@newguysgarage6802
18 күн бұрын
@@anthonynapier4668 nothing a little thinking and tinkering can't do! 😃 And no nothing fancy just a cheap one 😂
Good job! I got plans for a home built flowbench...
@newguysgarage6802
17 күн бұрын
@@brokentoolgarage8609 nice! I need to build a setup that I dont have to hold onto and get a better camera angle 😁
@brokentoolgarage8609
17 күн бұрын
@@newguysgarage6802 I use the walmart cheap tripods. There are also smoke sticks for leak detectors that may work better - although the cigar is cool! Reducing the garage door backlight and making a directed backlight could also help
Port n polish smooth less friction
@newguysgarage6802
18 күн бұрын
Not necessarily, a ruff surface finish can lead to a strong boundary layer. Air will flow over air a lot smoother than it will flow over a solid surface. Like the golf ball affect lol
Thought you were going to burn your lips with that new flow test when is the engine going in looking forward to first pass have a good one
@newguysgarage6802
18 күн бұрын
@@davesaylor5135 I just ordered pistons that will work with my heads finally, just need gaskets and stuff. Money is tight now with buying the house and all 😅
@davesaylor5135
18 күн бұрын
@@newguysgarage6802know the feeling barely more money coming in than going out
Would this work on any holley 4150
@newguysgarage6802
4 күн бұрын
@@_10mm seems too lol 😆 Concept certainty should be the same regardless of carburetor type 🤔
hahahahahahaha- hahahahahahahahahaha, hahahahahaha, hahahahahahahaha!!!!!!!!
Sad wall sad music and I don’t know.
@newguysgarage6802
18 күн бұрын
Epic performance 😏
@davesaylor5135
18 күн бұрын
Not sad when you own that wall
@learningwithjuan
18 күн бұрын
@@davesaylor5135 Well said