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Which means "Evil Twin". Lets see your projects where you change boring into fun or create the fun from scratch.
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PostPosted: Fri Oct 18, 2024 8:52 pm 
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Congrats, sounds it is almost drive time! Did the Duc come home?


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PostPosted: Sat Oct 19, 2024 9:05 am 
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drhex wrote:
Congrats, sounds it is almost drive time! Did the Duc come home?

The Duc did not come home....its 10 years older than he is and he just wasn't interested.

Yes, hopefully soon a longer drive.....if it restarts today maybe. I forgot to mention the front antidive seemed to be doing its thing. I cranked up the rebound adjustment to full, that is the only adjuster I have and these shocks were not valves for the springs I now have, anyway, the car felt a lot better power/brakes on/off but i can't be sure how much is the antidive and how much is the shocks but the net is good on first impression.

Also when it was running a couple weeks ago I added a table for cold to warm throttle idle position that seems to be doing its job nicely. I do have an idle rpm control setup I have not tested....so far I'm just using a simple throttle position set point and as long as it works as it has been I guess I'll stick with it. I did try to pay attention to where the throttle wants to be during cranking, I have the ability to set that in the ecu so I don't need to touch the pedal, I may try that today but I suspect the way I wrote it it will close too fast, I'll play with it though as a consistent throttle position should make getting the fuel right for good starts easier.


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PostPosted: Sat Oct 19, 2024 2:28 pm 
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It started again from full cold not horribly. I made a few more tweaks so hopefully next time is better. I pushed in 1st to about 6k and 65kPa MAP, then second to 7k and 85-90kPA MAP nothing but acceleration and grip. It feels amazing and I'm feeling like its ready for a real drive.....but I need to locate registration and proof of insurance before I go blasting around, after all these attempts I was kind of assuming I wouldn't need it. I looked a bit but its feeling like I need to get duplicates. So I'll work on getting it starting better and other at home details for now


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PostPosted: Sun Oct 20, 2024 8:52 am 
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Looking at the log I realized I have mph, rpm and time so quick math later at 84kPA MAP and 5000rpm the engine it making at least 296hp, 311ft-lbs at the wheels. I say at least because the pull was an up hill grade I don't haver a good way to account for. Dynomation says at WOT it should be 432hp/454ftlb, but if I change the barometer to 84kPa it drops to 366hp/384ft-lbs crank hp. Converting to wheel I should expect about 300hp/314ft-lbs...pretty frikin close to what the log says I have

Edit: at 5krpm, 84kPa MAP is 61% throttle,....big TBs

Edit 2: it was 0.72g. WOT at 7k peak torque i guess it would be about 1g in 2nd, probably 1.2g limit of traction in 1st....what a difference these tires made


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PostPosted: Sun Oct 20, 2024 1:46 pm 
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Here is today's cold start
https://youtu.be/M09Izdr8nUc
The a short drive where at about 2:40 I learn that the new 295 A052 tires are still just no match for 1st gear and also that the 9k rev limiter works as it should
https://youtu.be/eyUW2Pl-I0A

Then I cut it into a short for those that are easily bored
https://youtube.com/shorts/F7cemj3oyik?feature=share


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PostPosted: Sun Oct 20, 2024 4:11 pm 
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Man, you should have waited 11 days. I mean, what could be better than the FrankenFerrari going for its latest post-op drive on Halloween?


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PostPosted: Sun Oct 20, 2024 5:41 pm 
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n2zon wrote:
Man, you should have waited 11 days. I mean, what could be better than the FrankenFerrari going for its latest post-op drive on Halloween?


Hopefully there will be a lot more drives coming soon!

I went in to the log from the burnout and added a virtual channel for the rear wheel speed  (I don't have the sensor working but I do have rpm and I know it was 1st gear) and then made a plot with interesting stuff on it.  It looks like the tire came loose at about 3700rpm and 88kPa.  DM6 says its making 260hp/360ft-lb at that point.  That means 1st gear should be fine as long as I keep the engine below 2500rpm.  Then if I'm doing the math right, 2nd gear should hold about 523ft-lb which should be 4 ft-lbs more than the engine  can make.
Attachment:
burnout log 2.JPG
burnout log 2.JPG [ 203.48 KiB | Viewed 2049 times ]


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PostPosted: Mon Oct 21, 2024 6:12 am 
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I am thrilled for you. It sounds great and runs like a bat out of hell. :D

_________________
Wade Williams
Master Ferrari Tech
Restoration Tech
Engine Machinist
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Racecar Driver


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PostPosted: Mon Oct 21, 2024 9:58 am 
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MerlinTech wrote:
I am thrilled for you. It sounds great and runs like a bat out of hell. :D

Thanks....I have a good feeling this time its actually done. Its running good!

In other news, if you want a V12 308 of your very own
https://bringatrailer.com/listing/1978-ferrari-308-gts-32/


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PostPosted: Mon Oct 21, 2024 12:49 pm 
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Congratulations on your successful outing!! That has to feel good! Now you can save for tires!!

I've been waiting for that V12 308 you mentioned earlier that was going to go up on BaT to finally show up. Knowing nothing about Ferraris or a lot of the issues you've had to solve for that matter, it sounds like the owner had a much easier conversion than you, but then he didn't have the incredible journey you've had! I consider that journey to be worth much more than his car - and maybe even more than yours! As it has since I've started following your progress (more than 5 years now), my hat has stayed off to you and my jaw stays agape!

I know your journey is still not quite over (if it will ever actually end) but I thought I'd take this opportunity to thank you for documenting such an incredible build and to congratulate you for successfully meeting an amazing array of daunting technical problems.

Your next one will be easier! :D


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