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575M Build

Discussion in '456/550/575' started by white out, May 1, 2020.

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  1. brogenville

    brogenville Formula 3
    Rossa Subscribed

    Apr 24, 2012
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    Robin
    +1


    Sent from my iPhone using FerrariChat
     
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  2. white out

    white out Formula 3

    Mar 3, 2010
    1,228
    I'm going to need a chase car for video. This will max out my microphones if I mount them on the back of the car.

    Would be great for a once in a while fun car, but for a daily it's too much. Going to throw some mufflers/resonators on it to quiet it down a bit.

    Did some data logging today and 60-130 is down to 9.90. Tire pressure is low (fun for turning and comfy) but I think if I bump it up I'll be able to drop enough to get a full 2 seconds off of the stock time.

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  3. white out

    white out Formula 3

    Mar 3, 2010
    1,228
    Here's a start & quick rev with my iPhone. Mic is immediately maxed out.

     
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  4. F456M

    F456M F1 Rookie

    Jan 8, 2010
    3,665
    Oslo
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    Erik
    #204 F456M, Mar 6, 2021
    Last edited: Mar 6, 2021
    Not loud enough....:)

    If I were you now, before you put on mufflers at the rear, I would test first with your original center muffler. I like the idea of having no rear mufflers and just the pipes just like those old classic 50/60-sonen Ferraris... It is also very inexpencive for the test. That center resonator/muffler has a build-in cross pipe so it is kind of a X-pipe... It kills the sound mostly at high rpm. I bet you can live with the «quite high» idle db like a Murcie with full Tubi, but you want to be able to rev up to 6-7.000 rpm. for quick accelleration without being chased by the police of give old women a heart attack, and at the same time have an acceptable sound level while cruising at steady 85 mph. etc. This is where the center muffler work well. When I put my straight-through Fuchs mufflers on a year ago, I had no center muffler on, and the sound was not at all a good one. Too loud too. But by putting the OEM center on it, the sound improved dramatically!! More musical sound experience and all the drone/resonance disappeared.

    My 2002 Maserati had a fantastic sound with rear muffler deletes, and that car had also the original center muffler on. But on that one, there is a X-pipe just AFTER the two mini mufflers up front in the center muffler (in addition to the front catalyzers). I guess for the sake of good sound, you want to have the X-pipe as far rear as you can. This is also how the Italian Supersprint exhaust is like for the 550/575 which has a great sound. On a Murcie which always have great sound with sports exhaust or even original exhaust for that matter, there is only about 20 inches of open piping after the X-pipe...

    Keep us posted and good luck!! I admire your dedication and pure enthusiasm! And also your social media skillz!
     
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  5. white out

    white out Formula 3

    Mar 3, 2010
    1,228
    The original exhaust is 2.25" and the outlet of the center muffler is 2". Mine is 2.5". Swapping back to that would kill power and add a significant amount of weight. Also, aside from the manifolds, nothing on this exhaust will mate up to a stock exhaust component. The bypass pipes are 2.25" and wishing they were 2" to quiet it down further at this point. But we will play around with it and see what happens. Might have been able to get away without a muffler if the pipe was that small.

    On one of the runst today I rolled into power in 1st to WOT, shifted into 2nd and it absolutely murdered the tires (305/35 r-compound at 30psi hot) through the entire gear. I had never seen it do that before.
     
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  6. niftyfivefifty

    niftyfivefifty Formula Junior
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    Mar 5, 2007
    366
    PacNW
    That sounds awesome. Which mic are you using? I found mounting a Rode VideoMicPro in a dead cat on the rear bumper and turning the gain to ~5 out of 10 on my DSLR kept it from clipping even at WOT. It also helps that when the mic is on the bumper it is picking up the sound, but not the pressure vs. recording from behind the car. My video on Youtube was shot like this, and my car was definitely making close to 130db at redline at that time.
     
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  7. Ferrari55whoa

    Ferrari55whoa F1 Rookie
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    Dec 21, 2005
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    Eric
    Ummm yes please....
     
  8. white out

    white out Formula 3

    Mar 3, 2010
    1,228
    That was just the iPhone 11 pro with its internal mic leaned up against a breaker bar. :D

    Good to know about the speaker. I'll have to check mine out, I bought it years ago and no clue what the brand/model is, but it has a foam cover which does an ok job at killing road noise. It did well on the Lambo, but this sound is completely different and I think it will be too much for the mic. I might be buying a new mic. But we will see.
     
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  9. F11

    F11 Karting

    Aug 2, 2005
    196
    This is sooo awesome!! First off what a badass doing DIY header swap on a Ferrari in what looks like a condo garage. That alone was the coolest thing I’ve heard... until you fired it up.

    Wow incredible sound. Totally unique on a Maranello. Angry, aggressive, and just the right amount of dirty.

    I bet if you start a go fund me for a new mic and same day delivery we could get that sorted out with the readers of this thread quickly (I’m in!)
     
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  10. Mirek

    Mirek Formula 3
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    Oct 20, 2019
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    Mirek
    Erik, I went the same route, I run Fabio’s straight exhaust tips with the OEM center resonator.

    I initially had Fabio’s dual H pipe and the OEM mufflers (too quite). Then I switched to The straight exhaust tips w/ H pipe and the noise was loud and unpleasant. Almost like a helicopter. I put the factory resonator back on and.....perfect.

    I often wonder what combo I will run if/when I pony up for the headers man thanks for posting all of this up. Hopefully I will catch you at Concorso this year (or something).
     
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  11. white out

    white out Formula 3

    Mar 3, 2010
    1,228
    Haha! That's great with the gofundme. If my mic doesn't work well I'll grab a new mic.

    I have had better luck with getting the true sound based off of chase cars, so that will definitely need to be in the works as well.
     
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  12. F456M

    F456M F1 Rookie

    Jan 8, 2010
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    I agree with you. If you look closely on the center muffler, this is made to be exactly like it is. And for a reason in my thinking... My car will do 331 kph. on the speedo which ease even with those «restrictors» at the rear end of it.... I have discussed with a very famous engine builder, and he said the exhaust is not that important. It is what happens inside the engine that really matters, and the timing and fuel etc... We must remember that in the late 90-ies, people were running 250 kph. also in Italy.... The center unit reduce the sound at high rpm., and it actually makes its own sound. When I had the original rear mufflers and original cats, I put on a Stebro X-pipe on, and it was actually more quiet than the original center muffler...
     
  13. white out

    white out Formula 3

    Mar 3, 2010
    1,228
    I went searching for the leak (can't really see well in that area of the engine bay) but saw some coolant stains in the valley. So it looks like the hose under the intake manifold is the culprit.
     
  14. renn20

    renn20 Karting

    Aug 21, 2019
    78
    SoCal
    Full Name:
    KL
    So much good info. love the build. Love the adding lightness aspect of the project.
     
  15. white out

    white out Formula 3

    Mar 3, 2010
    1,228
    So I aired up the tires from 26psi to 33psi (cold) and was able to knock down the 60-130 to 9.63!
    That's 2.1 seconds quicker than stock and .26 seconds behind the Viper.

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  16. tazandjan

    tazandjan Three Time F1 World Champ
    Lifetime Rossa Owner

    Jul 19, 2008
    37,986
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    Terry H Phillips
    Nick- 33 psi is what I run on my 575M.

    Looks like she is making good power with the 550 exhaust manifolds. No CELs?
     
  17. white out

    white out Formula 3

    Mar 3, 2010
    1,228
    I didn't hook up the SAI yet, so it has a CEL. I'll have to run a scan to see if it has any codes for the manifolds.
     
  18. white out

    white out Formula 3

    Mar 3, 2010
    1,228
    mic is maxed out, but you get an idea

     
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  19. F456M

    F456M F1 Rookie

    Jan 8, 2010
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    75 mph...... :)

    it is quite «sharp» in the sound. When I look at Murcies which sound great, they usually have a muffler with some «volum». I wonder if that is to get some more bass to the sound? How is your exhaust on your Murcie? Any pictures or video?

    Keep on posting!

    Really interesting and fun to follow this thread!
     
  20. brogenville

    brogenville Formula 3
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    Just dump all the SAI stuff. You're going to have to get a tune soon surely if you want to optimise this setup and get in front of the viper time, so get that stuff coded out at the same time. Clever clogs like 360trev can make it so the car still passes smog too.
     
  21. F456M

    F456M F1 Rookie

    Jan 8, 2010
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    What happens when you take off the catalyzers or pre-cats? Why is a re-programming needed? @360trev
     
  22. white out

    white out Formula 3

    Mar 3, 2010
    1,228
    I reset the ECU and no lights so far.
     
  23. F456M

    F456M F1 Rookie

    Jan 8, 2010
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    How do you reset an ECU?
     
  24. white out

    white out Formula 3

    Mar 3, 2010
    1,228
    Cheapo $10 OBD2 scanner I've had for a decade, lol.
     
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  25. F456M

    F456M F1 Rookie

    Jan 8, 2010
    3,665
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    I need to get one, even though I have never had a CEL. Sometimes my shock absorber fault icon comes on in the multi display. But I guess I can’t do anything with a OBD2 tool to diagnose that. In the owner’s manual, it is written that ONLY a SD1 tester can diagnose the system.
     

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