I've been looking up wiring diagrams to determine which changes need to take place for the 5 speed swap.
I'm also looking into a few other things that I may work out. I'm vaguely interested in converting to a drive by wire throttle, because I have an LX9 plenum with DBW throttle, this would eliminate the need for a adapter plate to run a cable throttle, eliminate the cruise control module, but also require the addition of a TAC module. I also have the option of enabling dual bank o2 sensors, not sure whether that would be worth anything or not.
I've documented many of the differences between GM V6 (non 4.3) PCM's here:
http://www.gearhead-efi.com/Fuel-Inject ... CM-pinouts
Clutch switch wiring, I have no plans to wire in any kind of 2nd gear start nonsense.
TAC Module and throttle wiring
O2 sensor wiring
I ordered the CV axles about 5 minutes ago, and my clutch pedal should be here tomorrow. I'm seriously considering picking up another front subframe to mock up the mechanical aspects of the five speed swap on, this would allow me to get as many issues ironed out, and make everything go smoother. Later this week, I'm going to pull the bin file from the PCM and make the required changes for the 5 speed. I'm also going to work on a break out harness for the VSS and reverse lights.
I'm going to wire the clutch/start safety switch inline with the start relay. oddly enough, the V6 and I4 use very concepts for the start signal, the I4 sends power from the switch, to the starter solenoid. the V6 uses a trigger from the PCM to trigger a relay, which then trips the solenoid. if I send the signal from the PCM to the clutch switch, it should work flawlessly, as an added bonus, the PCM is located next to the clutch pedal, which should greatly simplify the wiring.
I4 starting circuit:
V6 starting Circuit
I'm also considering modifying a LZ9 front exhaust manifold to fit the 3400, it's a much better design compared to the 3400 part, more like a header. I'm considering this more as a proof of concept to see how well one of the manifolds will hold up to welding, and heat cycling thereafter. I'll keep the stock front manifold and crossover as a backup if the LZ9 part fails.
I really need to start figuring out what I want to do for the clutch, the bully stage 5(6?) in the fiero isn't bad at all, with the same transmission. but it was expensive, and took for ever to get to me. I'm open to suggestions.
Stuff I have
Shifter
Flywheel
Master cylinder
HTOB
clutch line
clutch anticipate switch
shift/select cables,
Tuner
XFI F23
Clutch pedal starter safety switch
Clutch pedal
CV Axles
wire connectors for VSS, Reverse lights, clutch switches.
Metric F23 for the bellhousing
Stuff on the way:
Anaerobic sealant
clutch pedal pad
Clutch
Stuff I still need:
mounts
AC Parts?
Intermediate shaft seal
edited to adjust parts lists.
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