Diving in head first
07-05-2017, 07:21 PM
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Join Date: May 2017
Location: Richmond, VA
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Diving in head first
Hello All, I picked up a 99 Miata about a month ago, with the intentions to build a fun car for the road and the occasional track/auto X day. I have been lurking, reading and researching as much information that I could find that could apply to my build, and quite a lot that didn't but might come in handy during my ownership of a Miata. I'd like to thank the contributors that have helped me so far by posting their builds, especially the ones with tips/tricks for the potholes that one can find themselves in with while wrenching on an older car.
My current build consists of an FMII kit with the GT2560 Turbo and 550 injectors, minus the electronics for which I subbed in a MegaSquirt 2PNP. For the engine monitoring, I wanted to cover the vitals so I chose a 3 gauge pod and have water temp, oil pressure, and an Innovate SG1 which is both a wideband and boost gauge/controller. Before starting the build I wanted to make sure the car was going to be ready for the power that I was going to apply to it, so I used a Flying Miata Happy meal with the 13.5lb flywheel. At the time of swapping the clutch and flywheel, I went ahead and changed out all the other clutch related parts. I picked up the 949 racing rebuild kit and swapped out the slave and master and picked up the stainless clutch line.
The car has been a labor of love for the month and this week was the first time starting the engine after the build. Today was the first day of smooth idling after tweaking a few settings. I've swapped in new 7 temp plugs gapped to .35. At this point, I'm trying to double check everything before trying to drive the car. (it is currently still on the lift while I sort out the tune) It starts although rough and settles into idle well, but bogs down when the throttle is applied. Would someone more experienced mind taking a look at my tune to make sure I've set everything up properly? I read how to program for the larger injectors, and believe I have that correct, but while idling I'm at 25% fuel with the stock pump. So far this has been a great learning experience, I know I have a lot more to learn but it is both nerve-wracking and exciting. Thanks again for all the write ups that have helped so far, they have helped a lot.
My current build consists of an FMII kit with the GT2560 Turbo and 550 injectors, minus the electronics for which I subbed in a MegaSquirt 2PNP. For the engine monitoring, I wanted to cover the vitals so I chose a 3 gauge pod and have water temp, oil pressure, and an Innovate SG1 which is both a wideband and boost gauge/controller. Before starting the build I wanted to make sure the car was going to be ready for the power that I was going to apply to it, so I used a Flying Miata Happy meal with the 13.5lb flywheel. At the time of swapping the clutch and flywheel, I went ahead and changed out all the other clutch related parts. I picked up the 949 racing rebuild kit and swapped out the slave and master and picked up the stainless clutch line.
The car has been a labor of love for the month and this week was the first time starting the engine after the build. Today was the first day of smooth idling after tweaking a few settings. I've swapped in new 7 temp plugs gapped to .35. At this point, I'm trying to double check everything before trying to drive the car. (it is currently still on the lift while I sort out the tune) It starts although rough and settles into idle well, but bogs down when the throttle is applied. Would someone more experienced mind taking a look at my tune to make sure I've set everything up properly? I read how to program for the larger injectors, and believe I have that correct, but while idling I'm at 25% fuel with the stock pump. So far this has been a great learning experience, I know I have a lot more to learn but it is both nerve-wracking and exciting. Thanks again for all the write ups that have helped so far, they have helped a lot.
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