That's pretty great!
I felt the pain with all the hopping in and out of a low-slung car to fiddle with the engine on the start-up. Might I suggest a remote start switch clipped onto the starter?
Norma66-Brent said:What's the break in procedure look like for this thing?
I honestly haven't gotten past the "please just don't break" mentally.
For now it avoid idle or a lot of time at any 1 rpm while I try to sort the mixture out a bit and it won't foul plugs, its pig rich at the moment. The rings went in with total seal quick-seat which is supposed to help seat the rings. Then I guess I'd like to do a few hundred miles of load/recovery for increasing durations at also increasing rpm. Its got 12 quarts of break-in oil in it which is straight 30wt mineral oil with lots of zinc for the cams...that probably wants to stay in about 500 miles....again assuming it runs that long this time.
This is amazing. I hope you're able to record a good highway pull once it's broken in properly.
So much respect
I am so impressed and happy for you.
Completing this is such an amazing accomplishment, I hope that you are able to sit back and take in the scale of what you have done with this project.
Congratulations
Nick
That is absolutely freakin' incredible!!! Super happy for you, thanks much for sharing this with all of us.
mke, I am so happy right now. What an adventure this thread has been. You are a madman, and I want to be like you when I grow up.
Listening to that made me smile, then blush.
Congratulations! You’ve chosen a great soundtrack, for your remaining driving days. I couldn’t think of a better one.
mke said:Norma66-Brent said:What's the break in procedure look like for this thing?
I honestly haven't gotten past the "please just don't break" mentally.
For now it avoid idle or a lot of time at any 1 rpm while I try to sort the mixture out a bit and it won't foul plugs, its pig rich at the moment. The rings went in with total seal quick-seat which is supposed to help seat the rings. Then I guess I'd like to do a few hundred miles of load/recovery for increasing durations at also increasing rpm. Its got 12 quarts of break-in oil in it which is straight 30wt mineral oil with lots of zinc for the cams...that probably wants to stay in about 500 miles....again assuming it runs that long this time.
With the engines we've built for customers, we found that it was the first few dozen miles that mattered. Give it a wide range of cylinder pressures - accelerate with reasonable throttle level, then closed throttle decel. Do that a half dozen times and you've basically got the job done. This was based on conversations with the Wiseco engineers.
The engines that were babied with light use for 500 miles were the ones that never seated properly.
Congrats! It's been a long road and it sounds amazing.
Interesting project on how you managed to "shoehorn" a 5.4 L V12 in 308 engine bay there @mke, I wonder if the same could be done flat 12 from a 512BB?
I tried resetting the TBs with feeler gauges this morning as a base sync while also playing with the ECU software to try to read them all....the feeler gauge method is pretty bad it turns out if my ECU programing is to be believed and this is after a couple quick roughing in adjustments
The gauges are to help sync the TBs, they read % error from TB12 which is where the actuator is attached so it is always 0. Here it is after I played with it a bit, not prefect but much better.
the graph below are the cylinder MAP reading that run the gauges....this looks to be working pretty well now so next run I will turn on the cylinder corrections and TBs sync'd or not each cylinder should get the same mixture.....at least that is how I THINK the code will work. With the TBs kind of matched now I should be able to get on with fixing the mixture.
Before this run I cleaned the plugs to get all the cylinders firing again and while they were out did a compression test..165-185 so not great but nothing is seated yet so it doesn't scare me yet.
I have a misfire function I'm playing with too....and it looks like its sort of working. It shows clean in the middle where I know for sure it was running well and lots of color at the end where for sure the plugs were again all loaded up and things were shutting down so helpful if not perfect I think. With the TBs kind of matched now and the misfire tool to tell me if I can trust the O2 readings I should be able to get on with fixing the mixture.
bottom graph is the 4 NBO2 sensor just kind of saying its pig rich except when there are misfires
silvermane_1 said:Interesting project on how you managed to "shoehorn" a 5.4 L V12 in 308 engine bay there @mke, I wonder if the same could be done flat 12 from a 512BB?
Yes, I 'm pretty sure that would work, but you lose the trunk or what there is of one. Way back a guy measured up a TR engine/trans for me and Im recalling being a little worried about headers and a little rework on one ot the A-arm mounts, but yeah, cut out the trunk and it should about drop in....should.
What an incredible milestone. I'm sure you're not the only one on tenterhooks until the break-in is done. FWIW, the routine specified by Keith Tanner above is in line with what I've done for new and rebuilt motorcycle engines, and I've also had good luck with it.
To get those 12 vacuum traces, do you run your 12 individual MAP sensors to your ECU, or are you timing the single output from the MultiMAP using the cam angle sensor?
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