Great video Tom. My mondy QV is injected (K Jetronic) so I really watched this for the entertainment value. Not sure if you work on the injected cars or not, but If you ever do a video on a Metering unit rebuild I'll be the very happy camper. Cheers again. Marc
If I shot a video of me rebuilding the Jetronic unit it would be watching me pack it in a box and shipping it to the rebuilders! Pretty boring. Thanks for watching!
Decent high octane is recommended 91 or better (US spec) and if you can find non ethanol pump gas. I think VP race fuel is too $$ for the benefits to use it all year round. If you plan on storing the car, it would be nice to have a tankful of it, but not necessary if you’re driving the car regularly.
What solution do you use in the ultrasonic cleaner? Do you heat it up, if so what temp? I've been told it's good to remove some of the lead plugs to clean the crud out of the passages. Does the ultrasonic do that just as well? Have you ever had the plugs leak after an ultrasonic cleaning? I noticed you left the Air Bypass Screw & Locknut in place. Is there any benefit in removing these for better cleaning of the passages or does it make it harder to set the carbs up again if they have been disturbed?
I use a carburetor specific cleaner diluted for the ultrasonic cleaner. i run my cleaner at about 40-45C. I don't mess with the lead plugs as getting sealed back in place could be problematic.
Tom I'm about to rebuild four of these on a 79 308 - thank you for the tutorial! Do you have a recommendation for an ultrasonic cleaner and fluid - I guess I'm about to invest in one of those now??
I actually don’t. My first one burned out by shorting out internally and popped my circuit breaker. I couldn’t figure out what was shorting out so it killed me to have to throw it out and buy another one. The only recommendation is a gallon capacity will basically clean one at a time when you have everything disassembled. That’s not necessarily a bad thing so you won’t mix parts up. I use a small fruit jar to keep the small parts immersed in the cleaner. The sound waves travel through the glass. Good luck and thanks for watching!
Cleaning the carbs is just half the process of tuning these cars. It’s probably the easiest part compared to setting them up, balancing them, and getting them to run right in sync with the ignition. I prefer to work on the V-13 carburetor stuff, but occasionally work on the V-8s and V-6s!
@@tomyangnet well your video is giving me hope at least for the carbs. Even I’m thinking I could follow this video step by step and I’ve never opened up a carb… I’m not sure where you’re at but if it was anywhere local I’d gladly pay you to have you rebuild mine!!
When putting the idle screws back in, you mention 3 turns out. Birdman's instruction's say (3) 360 degree turns out. Is it (3) 180 degree turns like you did, or (3) 360 degree turns? I'm getting ready to rebuild mine, so I'm digging up every bit of info and videos I can before I delve into it. GREAT VIDEO BTW!
not sure if anyone gives a damn but if you guys are stoned like me during the covid times then you can watch all of the new movies and series on instaflixxer. Been binge watching with my girlfriend for the last days =)
I run a couple of dcnvh Webers , so similar to the dcnf with minor changes and a smaller throat. fixing the jets gets a little complicated . I'd have liked a closer up of this model to see what sort of balance is stock. Maserati rather than Ferrari . Very limited information available on these old Italian carburettors.
Hi Jack. Send me an email tom@tomyang.net to tell you what you need. I’m working on a set of dcnf carbs now and my be able to take some pictures for you.
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1980 maserati quattroporte III owner X@ cars with 42 dcnf carbs , best video I have seen
This is Bob Ross level therapy
There’s a guy on TH-cam called the Nekkid watchmaker that I love watching probably for the same reason!
Thank you, sir, for this incredible video. 1978 308 GTS owner here.
You’re welcome! Thanks for watching
Hi Tom your work is clean, you make things easy to understand, thank you for sharing with enthusiasts
Thanks! And thanks for watching!
Thanks Tom! Perfect timing.
I would definitely do your carbs before firing her up for the first time. Good luck!
Great film, my mechanic did the same exercise on my Daytona a couple of years ago, and really cool to see what goes into that job
Except with the Daytona you have to do it 6 times! Thanks for watching.
This is a great resource, thank you for posting it!
It’s not a definitive how to, but allows you to see how it comes apart and goes back together! Thanks for watching
Fantastic episode, love the single screwdriver tear down, however you do make it look easy
I equate it to field stripping a M-16: if you do it enough, you should be able to do it with my eyes closed! Thanks for watching!
Perfectly timed for me to strip mine. Thanks, you were a huge help.
Good luck! Thanks for watching
Great video Tom. My mondy QV is injected (K Jetronic) so I really watched this for the entertainment value. Not sure if you work on the injected cars or not, but If you ever do a video on a Metering unit rebuild I'll be the very happy camper. Cheers again. Marc
If I shot a video of me rebuilding the Jetronic unit it would be watching me pack it in a box and shipping it to the rebuilders! Pretty boring. Thanks for watching!
@@tomyangnet Yeah, I thought you may say that...cheers.
Just wondering why you didn't remove the Air Bypass Screw & Locknut.
Hey Tom, great vid. What type of fuel do you recommend for vintage Ferraris? The highest octane non ethanol fuel available?
Decent high octane is recommended 91 or better (US spec) and if you can find non ethanol pump gas. I think VP race fuel is too $$ for the benefits to use it all year round. If you plan on storing the car, it would be nice to have a tankful of it, but not necessary if you’re driving the car regularly.
I have a set off interceptor carburetors on a v6 intake 4 sale
What solution do you use in the ultrasonic cleaner? Do you heat it up, if so what temp? I've been told it's good to remove some of the lead plugs to clean the crud out of the passages. Does the ultrasonic do that just as well? Have you ever had the plugs leak after an ultrasonic cleaning? I noticed you left the Air Bypass Screw & Locknut in place. Is there any benefit in removing these for better cleaning of the passages or does it make it harder to set the carbs up again if they have been disturbed?
I use a carburetor specific cleaner diluted for the ultrasonic cleaner. i run my cleaner at about 40-45C. I don't mess with the lead plugs as getting sealed back in place could be problematic.
How bout the idle jet not oring,wat happened
Tom I'm about to rebuild four of these on a 79 308 - thank you for the tutorial! Do you have a recommendation for an ultrasonic cleaner and fluid - I guess I'm about to invest in one of those now??
I actually don’t. My first one burned out by shorting out internally and popped my circuit breaker. I couldn’t figure out what was shorting out so it killed me to have to throw it out and buy another one. The only recommendation is a gallon capacity will basically clean one at a time when you have everything disassembled. That’s not necessarily a bad thing so you won’t mix parts up. I use a small fruit jar to keep the small parts immersed in the cleaner. The sound waves travel through the glass. Good luck and thanks for watching!
Hello, What carb cleaner solution do you use?, looks Great
I use this stuff:
www.sharpertek.com/12decacl.html
It’s a degreaser that seems to work well. Thanks for watching.
Wow, great detailed video! Do you ever take payment and do these for people….say, people like me who have a 308 as well now??😆
Cleaning the carbs is just half the process of tuning these cars. It’s probably the easiest part compared to setting them up, balancing them, and getting them to run right in sync with the ignition. I prefer to work on the V-13 carburetor stuff, but occasionally work on the V-8s and V-6s!
@@tomyangnet well your video is giving me hope at least for the carbs. Even I’m thinking I could follow this video step by step and I’ve never opened up a carb… I’m not sure where you’re at but if it was anywhere local I’d gladly pay you to have you rebuild mine!!
When putting the idle screws back in, you mention 3 turns out. Birdman's instruction's say (3) 360 degree turns out. Is it (3) 180 degree turns like you did, or (3) 360 degree turns? I'm getting ready to rebuild mine, so I'm digging up every bit of info and videos I can before I delve into it. GREAT VIDEO BTW!
It’s three full turns. I had it wrong in the video. Thanks for asking.
Here's the full version of the carb rebuild. The first one had a problem with the upload. Enjoy!
not sure if anyone gives a damn but if you guys are stoned like me during the covid times then you can watch all of the new movies and series on instaflixxer. Been binge watching with my girlfriend for the last days =)
@Lian Benton definitely, been using InstaFlixxer for months myself =)
@Lian Benton Definitely, been watching on instaflixxer for years myself :)
@Lian Benton definitely, I've been using instaflixxer for since december myself :D
Hi there what causes the sprayer jets not to squirt after assembly
Just a little piece or trash, or fuel residue.
I run a couple of dcnvh Webers , so similar to the dcnf with minor changes and a smaller throat. fixing the jets gets a little complicated . I'd have liked a closer up of this model to see what sort of balance is stock. Maserati rather than Ferrari . Very limited information available on these old Italian carburettors.
Hi Jack. Send me an email tom@tomyang.net to tell you what you need. I’m working on a set of dcnf carbs now and my be able to take some pictures for you.
Do not shake the top! The needle will not close.