I need to update my 240Z thread. I can confirm that you can reliably run 6 injectors off 3 of the higher current auxiliary low side outputs.You live on the edge! https://github.com/rusefi/hw_microRusEfi/issues/203
On the C10 however, I'm using the normal injector outputs. The injectors are higher impedance than the ones in the Z. Each pair is ~7.4 ohms, so I'm optimistic.
Statistics: Posted by XplosiveLugnut — Sat Dec 31, 2022 7:11 am
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Once you are happy with the tune try running it at higher RPM for some time? Well, ideally need to run it with high RPM and high load to test the whole "v8 on MRE" hack.
Statistics: Posted by AndreyB — Mon Dec 19, 2022 2:53 pm
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I put the Tuned Port Injection intake from a '85 Corvette on a '74 Chevy C10 350.
Doing pretty much the same thing I did on the 240Z. Using an HEI distributor and conditioning the tach signal coming out. Using an MRE and driving 2 injectors per injector driver.
The goal is driving it around by Christmas day. Last night we got it running with the wiring just taped together. The timing is way out of whack (8 degrees after TDC) and I forgot about all the vacuum ports, but it we lucked out and it fired right up after I sorted out a tach signal issue.
So this was even easier the second time. The tach signal issue was entirely my fault with a broken solder joint. The ECU/Tuner Studio took me only 20 - 30 mins (already installed of course) to get set up and it was the last thing I did before we got the truck running. MAP input, tach input, injector outputs and generate a VE table. Good to go.
Hopefully I can get it the rest of the way this week.
Statistics: Posted by XplosiveLugnut — Mon Dec 19, 2022 3:36 am
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