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About OilKiller

  • Birthday 11/17/2011

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    San Antonio

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  1. OilKiller

    L28et Rebuild

  2. I just pulled mine out for the winter to work on it! Very nice Z by the way. I hope to be hitting the SA roads in about a year with mine.
  3. This is the start to what I hope becomes another great build thread. I picture it ending with a photograph of my Z, shining in the beams of Texas sunlight coming through a massive cloud of burnt rubber. There I am in the driver seat… old, broke and happy! I am an engineer, not a mechanic. I hope by the end of this project and after a few more years at my job, the gap between the two will meet somewhere in the middle. I do not have unlimited time and I have a baby on the way, so I apologize in advance for any long periods without updates or if at some point this becomes another sad part-out page. So far, I have only vicariously enjoyed your successes and turmoil. I’m going out on the same limb now, thanks for having me. Before I forget, many tanks to Matt (if you’re out there) for selling me the car…sorry I couldn’t offer more. Please post as much as you want with input, critiques, questions or moral support! For a little back-story here is my new member post. http://forums.hybridz.org/topic/105606-south-texas-engineer-with-a-new-75-z-turbo/ Starting line: Price: Every bit I could spare for…$2500!! Layout: 75 280z L28et (seller said ‘83… wiring harness and sensors are 81?) 5speed. It has strong metal everywhere except driver floorboard that has small patch and potentially lower section of deck lid. Battery tray, fenders and all towers are in great shape. Running condition: Fires right up, runs terrible. Not highway safe! Good Mods from previous owner: Very surprising bunch of aftermarket parts for a car that runs terrible! No details on what had been done so far… so it’s back tracking and investigation for everything but the obvious below. It has a “Recent†engine rebuild, no details, in a pretty clean engine bay. JSK fuel rail and FPR and an unknown newer style pump, MSD ignition coil with new distributor and wires, HKS BOV, new intercooler (~10x24x3â€), SS intake piping, KN filter set, oil cooler mounted behind intercooler, filter to cooler oil bypass, single small electric radiator fan, Interior has all new carpet, headliner and dash pad, doors open well and have decent liners. If that’s not enough, 4 brand new xxr wheels and tires! Downsides: Fuel management is no good and frustration with this is why he sold it. I think injectors are almost full open all the time. It spits un-burnt fuel straight out of downpipe onto my garage and starts burning your eyes within a few seconds. Under medium throttle at standstill engine can die from flooding. Oil has heavy fuel contamination after only a few hours of tinkering. Rear-end CLUNK when you shift quickly under load… I have ideas but I am not sure yet. Owner before me could not get hood latch open when he bought it… so he DRILL cut a hole in the hood above the latch to get it opened. No chassis light/electrical works, all HVAC controls removed, gauges don’t work. Status of diagnostics: I fixed an early issue with battery drain coming from a short in the rear-defrost (by fix I mean I removed the fuse) I then moved on with the “ecm connector test†and found almost everything reads open circuit or the wrong resistance. I have determined that the coolant temp and head temp sensor have no/broken connectors, wiring for them is bundled and zip tied. The TPS wiring was cut and then wrapped in elec tape so it only LOOKs like its plugged in. AFM was broken into and now doesn’t read the correct resistance throughout the range. But hey, Intake air temp reads great! Drawing board: I picture having the drive train and ride at 100% and spending as little money as possible to get the look to 75%. Right now I am considering removing all of the original engine controls and going with Megasquirt and maybe even 3.0 with spark control. My reasoning for this is that after adding up just a replacement AFM, harness repairs/connectors and OE sensors I am already almost to the cost of the MS system. I also think it is the coolest thing EVER to have that kind of system in a 40 year old car. So instead of asking the question “do you think I should Msquirt?†I am going over all the other answers to that question and the final product and decide for myself. I may go with just toggle switches for all chassis stuff besides brake lights and have a space for a small laptop to sit where the HVAC and radio used to be to show the extra gauges from MS. *Suspension to be addressed* After all that, its new seats… cheap paint job… and open road.
  4. I just turned 26 and have almost had my Z for a year. I had a matchbox (hotwheel maybe) of a 240 and grew up with my dad telling stories of the ealry 80s z that smoked his brothers vette. Always wanted a SS or RS Camaro... but i was born into limited means and my engineering income has yet to outrun my student loans. when i graduated i made a pact to buy my project car before my wife and i got pregnant. Well, I found a started project on craigslist for cheap and 3 months later we got prego. Now I have 4 months left to get it into shape!
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