Missing your point.
1) Run 1 should be displayed on the left, unless you are in Asia. 2) Max HP and Torque are the same between the 2 runs. 3) Largest difference is that run 1 made torque at 3K: run 2 at 4K 4) Tuner changed scales, making run 2 look much weaker. |
Originally Posted by DNMakinson
(Post 1449801)
Missing your point.
1) Run 1 should be displayed on the left, unless you are in Asia. 2) Max HP and Torque are the same between the 2 runs. 3) Largest difference is that run 1 made torque at 3K: run 2 at 4K 4) Tuner changed scales, making run 2 look much weaker. 2 ) correct, this confuses me 3) Yep, 80ft/lbs is a big difference I need to double check the datalog to confirm boost was equal on both 4) I was with the dyno operator in the car, ramp rate was not changed at all. There was another pull made after these two with the same power/torque/torque curve as run 2, the car was loaded back on the dyno 4 hours later and another 2 pulls made (With a lower ramp rate) and the power/torque/power curve were exactly the sane |
Pulled the head on saturday
Rods on 2 and 3 confirmed bent . Looks like what we call 260ft-lbs flywheel is enough |
Props...bending OEM rods seems to be a right of passage for a lot of folks on this site... |
Long overdue update on this one. 12 months since the original damage and back to the strip. Cold day (14c/57f) and no wind
One decent pass, followed by an awful 60ft and a missed 2-3 shift then rained out for the day https://cimg1.ibsrv.net/gimg/www.mia...916e6c80b0.jpg |
What did you find to be the issue? |
Originally Posted by DNMakinson
(Post 1503538)
What did you find to be the issue? Swapped in a used NB long block, retuned in on a Dyno to make a bit less torque and called it a day |
So you're trapping 109 on another stock block? that's really good congrats
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Originally Posted by 18psi
(Post 1503742)
So you're trapping 109 on another stock block? that's really good congrats
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Revisited the tune on this as I swapped to MS3 after the last time at the strip and have also swapped over to a MAF
First up comparison vs last time the car was on the same dyno, Red trace is the latest tune https://cimg9.ibsrv.net/gimg/www.mia...30935ff2ca.jpg And a Wastegate boost (~145kpa MAP) vs Max effort tune https://cimg2.ibsrv.net/gimg/www.mia...e0038c24c1.jpg |
Nice to see you back.
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Originally Posted by DNMakinson
(Post 1525891)
Nice to see you back.
Tuning the MS3 on a MAF highlights really well how this "little" TD04 is right on the limit of its flow capability https://cimg0.ibsrv.net/gimg/www.mia...62efb5cb73.png |
Hit the strip today with a sole focus on the launch. So spent the day messing with a few things.
The two 2.0x 60fts were leaving at 3200RPM with the car making close to 7psi on 2 step. Missed a shift on the 4th pass, the two 2.6s the car bogged trying to use timed retard after launch on MS3. Boost was around 10-12kpa down compared to normal over 5500rpm https://cimg3.ibsrv.net/gimg/www.mia...f8f0885036.jpg |
Not bad. It takes more EBC duty to maintain boost up top. I am typically between 4 and 4500 rpm on a launch under 2 seconds, but there are a lot of variables. Your car is pretty quick, probably eat most street driven cars.
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Originally Posted by sonofthehill
(Post 1528994)
Not bad. It takes more EBC duty to maintain boost up top. I am typically between 4 and 4500 rpm on a launch under 2 seconds, but there are a lot of variables. Your car is pretty quick, probably eat most street driven cars.
Just checked your thread and it looks like you seem to carry a lot more pace through the back half of the track |
I understand.
Yeah, my car is fast as hell, but I'm on really crappy tires. It messes with people during elimination sometimes. They slow down because they think I am far enough behind. My car is fast at the top of the track. My bottom end is forged, so I can push it a ton. |
60ft was balls. ET not so much
https://cimg5.ibsrv.net/gimg/www.mia...77fb0e2e70.jpg https://cimg8.ibsrv.net/gimg/www.mia...9008ab30d6.jpg |
great work :likecat:
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What boost were you running on the strip? And the rods seem intact this time? I’m hoping for similar numbers, if I ever get set up.
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Originally Posted by DNMakinson
(Post 1537034)
What boost were you running on the strip? And the rods seem intact this time? I’m hoping for similar numbers, if I ever get set up.
I don't think you'll realistically see the same power numbers on pump fuel. Here's an MLV plot of manifold pressure vs RPM and TPS https://cimg6.ibsrv.net/gimg/www.mia...34bec014bd.png |
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