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Showing results for tags 'rpm'.
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I've been reading up on turbos for over 6 hours between today and yesterday 🤪 haha and have gone from zero knowledge to some knowledge. I am a big proponent of "buy once, cry once" methodology and while I am updating a bunch of other stuff on the Z, I am wondering if I should just knock out the turbo as well. HP Goal: Reliable 260hp-290hp for application that is 99% street Torque Goal: 300-310ft/lbs Spool RPM: 2400 RPM start with full boost by ~3000 RPM (similar to stock!) Wastegate: Internal (don't want to be swapping anything out or fabbing external brackets) I think 260hp to 290hp is a little high for the stock T3 to feel comfortable. I also don't want to run a ton of PSI if I can help it. So far I am installing: - 1982 L28ET with stock internals - 1978 280z with '78 R200 diff and '78 5-speed transmission - Megasquirt 2 - 240sx 60mm throttle body, 440cc Supra injectors, Walbro 255 fuel pump - Greddy Intercooler 2.25" piping with HKS BOV - 2.5" MSA downpipe to 3" mandrel bent exhaust with straight-through muffler - Mishimoto radiator with dual 12" Spal electric fans If I understand what I have been reading correctly, I want something with a lower A/R. Something around .57? I read on here that a user had a .48 that spooled at 1200RPM. That is probably a little extreme 😄. Not sure about trim. I would like it to be between $500-$800 if possible (no China turbos either). So does anyone have any recommendation or experience with a T3/T4 turbo that spools at a similar RPM to stock?
Hello, I'm totally confused on how I should get my RPM working through my MS3 main board in my 77' 280z. I'm using the Hall sensor off the negative side of the coil. However, I did the rookie mistake of installing both the section without points and the negative coil trigger at the same time. Even if I try the VR circuit only, I still don't get a tach signal. So I was wondering if anyone could tell me if I burned something out or destroyed the board, because no matter what I try it never produces a signal for the megasquirt main board. Thanks!