Road Tuning: Step 5 - Initial Startup
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Step 5 - Initial Startup
02.25
| 00:00 | Now we've got to the point of actually starting the car up for the first time, and we're going to show you again just how easy that can be. |
| 00:08 | We've got our base fuel table configured with some numbers that we know are going to be probably close enough to get the engine started and running. |
| 00:16 | We also now know our ignition timing is close enough. |
| 00:20 | All we need to do is crank the car over. |
| 00:23 | One thing to keep in mind here is there's a pretty good chance at this point the car isn't going to run smoothly by itself so we may need to use the throttle to keep it running. |
| 00:33 | I would be using the throttle to try and keep the engine rpm between about 1,000 and 2,000, maybe around the 1,500 rpm mark. |
| 00:42 | So let's just do that now. |
| 00:43 | (engine starting) Once we've got the engine running the first thing we want to look at is our lambda here. |
| 00:52 | You can see we're actually already pretty good.. |
| 00:56 | The area I want to be aiming for when I first start up a fresh engine is somewhere between around about point eight five and point nine five. |
| 01:04 | While our numbers here are pretty good, there's every chance that yours won't be. |
| 01:10 | What I do, we're not trying to tune individual cylinders here, what I do is I highlight a whole block of the numbers around the area the engine is running in. |
| 01:19 | You can see that here, and then using in this case the Q and A keys plus Shift we can reduce or increase the fueling as we need to to make changes to the lambda. |
| 01:33 | You can see we're going a bit richer there, and I'll pull some fuel out. |
| 01:37 | You can see when we're back to point nine five lambda. |
| 01:39 | Basically, our start-up point was good enough to get the engine running and idling just by itself without too much trouble. |
| 01:47 | I'm using a little bit of throttle just to hold the rpm up. |
| 01:50 | You can see as I move around the table the lambda does change a little bit. |
| 01:53 | Now during that initial start-up we also want to go to the run-time values display, and if we click on the analog inputs box you can see our battery voltage is sitting at thirteen point seven volts. |
| 02:05 | That's something we want to check before we go too far and make sure our charging system is working. |
| 02:11 | I've also checked on the dash to make sure that our oil pressure light's gone out and we've got good oil pressure so we know that mechanically the engine's sound. |
| 02:19 | That's our start-up. We're done. |
