Carb Mondial update - a bit technical.

Finished the exhaust - plan to start on Saturday or Monday.

If it sounds good, I really like the way the exhaust turned out with the wider tips; will know soon enough.
Here are the photos with the pieces tacked - Final welding happening now. It's all stainless, and except for the tips will be ceramic coated to match the headers if the sound is good.
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Thanks - all kudos on welding to James at Norwoods.

I sure hope it sounds good and not too loud at cruise. It's amazing what a subtle difference the wider exhaust makes. I think we will change a little though and do the mufflers in a flat black with chrome tips.
It is soooo tempting to run with the open tall carb air horns just for the sound.

Quick rundown:
3.2 quattrovalvole
10.5:1 pistons (JE)
heads flowed, matched, ported with larger intakes;flow up across the board with peak up 12% with increased velocity
0.360 lift intake cam (stock durations)
Weber 44 DCNF (38mm venturis, 145,F24,170,52)
Tubistyle Euro headers, dual resonant exhaust
MSD 6AL Unilite, 34 degrees @3200rpm

Nothing radical really at all - just simple, moderate & reliable.
Thanks to Mark and everyone.

 

Thanks. I hope it sounds good - it will certainly be obvious on the 4 hour drive back to San Antonio. I think what I am doing is actually just a simple basic tuning which has been fun to learn as we go. It is a bit ironic as the whole retrofit thing with the Webers and MSD was almost entirely geared toward increasing reliability and DIY maintenence through simplicity, which was a main guiding parameter. For instance, we could have gone to more radical cams if we had gone shim under, but that would require increased effort to maintain.

There are also a few little things I've been gleaning from FChat that we also did for reliability - examples being silicon water hoses replacing the long rubber ones to the front radiator, Pierburg fuel pump, uprated alternator to 100+ amps and the geared starter.

It is probably the world's most expensive Mondial, but to me it is the epitome of understated class in a small Ferrari GT.

 

Here's the exhaust before we send it to the ceramic coat place to be finished. I think it's going to be a bit louder than I had hoped, but hopefully what all the books said about two mufflers of equal volume silence better than one muffler of total equivalent volume will be true (resonant silencing). This is also the first muffler arrangement I've tried with counter-flowing paths, although they do not communicate at all as it is a true dual system to take advantage in theory of the flat crank exhaust pulsing.

I just hope it doesn't sound like a ricer.

They will probably start it Monday, or when I go up on Tuesday. Will try to get some pics and video if possible.
Very exciting and a bit nerve wracking hoping for the best after so much time and effort.
Here's hoping for the best!
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It runs.
Started up and idled at 900 rpm smoothly before anything was done to the carbs. Good oil pressure, runs cool. I will hear it tomorrow, but they say it is much much quieter at idle than they expected, even with the staight through. They said it doesn't really sound like most Ferrari V-8s, but has more of a lower glass-pack rumble. The cams are being broken in today. It will not be ready to drive, but can tinker a bit. Last things to do - new tach and linkage set-up.
Will try to figure out a sound file for tomorrow,
thanks!

 

Yes. Works very well.
250+ rwhp on Dynojet (300+ at flywheel)

http://www.youtube.com/watch?v=dknY5U122o4&feature=channel

http://www.youtube.com/watch?v=9TsxLSNeVdc&feature=channel

I am again on the warpath for an even quieter system though.
Yes, I am getting old.