How about the fuel pump- you mentioned the oem is more reliable than walbro but what are it's limits in terms of boost/HP supported or flow in terms of injectors? Obviously it will support the 410cc RDX injectors but how about 550?
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Angus what supra fuel pump do you recommend? Certain year or model? Any special modifications to make it work? Thanks
Thanks m-p
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http://www.suprastore.com/tosu2jfupufa.html. so just want to make sure this is the pump I need and from what I have read I have to get the fuel pump power distribution kit also?
I finished installing and tuning my AP-X turbo a couple of weeks ago and thought I'd share my experience, though there's not a lot I can say that hasn't already been said in this thread.
The quality of the entire kit is top-notch and Wil was a true professional through the entire process. He was always available to answer questions - before and after the purchase - and was more concerned that I ordered the correct options for my kit than the most expensive ones.
I elected to get the Precision 6266 turbo, upgraded oil lines, HKS BOV, Borla exhaust, and 550 injectors. The rest of the setup on my '96 NSX consists of stock NA2 headers, disconnected VVIS, SOS sport clutch and lightened flywheel, AEM FIC, AEM meth injection kit, AEM failsafe wideband gauge, AEM Tru-Boost EBC, stock Supra TT fuel pump with 12 gauge wiring all the way to the pump, a fuel pressure gauge on the fuel filter, #7 spark plugs, and misc. brake and suspension upgrades. I'm probably forgetting some of the mods, but you get the idea.
Installing the kit was the easiest part of the process. Though I've never installed a turbo before, it didn't take more than about 10 hours to do the mechanical work in my garage with hand tools. Installing the electronics took a lot of time, because I soldered and shrink wrapped all electrical connections and ran all of the wires in stock-looking wire looms. Running the vacuum lines took a couple more hours. The meth tank and controller are in the trunk.
After installing the kit and testing the electronics, I tested the system for leaks using a PVC cap and air compressor. The system actually holds air pressure for several minutes, and there are no leaks at all.
I put about 500 miles on the system before having it tuned. It was tough staying out of boost for that long! The tuner did a great job and the car runs like stock (when hot or cold) until you get into boost. There are no CELs.
The seven-pound spring that came with the kit held nine pounds on the dyno. My goal was 400 whp; she made 435 whp at 9 pounds on a Dyno Dynamics dyno. Based on his back-to-back testing of other cars, my tuner said a Dynopack would have shown 475 whp! Since that's more stress than I want to put on the motor, I installed a five pound spring and am using the boost controller to maintain seven pounds, which should give me around 400 whp. The AEM AFR gauge and meth kit both have failsafes that will cut boost back to spring pressure if anything gets out of wack, and the meth gives me an extra margin of safety.
Performance is incredible! The car feels so fast now. A couple of days after having it tuned, I drove 2,000 miles from Virginia to Michigan and back to run in the American Gumball rally, which included some road racing track time at Gingerman speedway and drag strip time. My first time ever to the drag strip I won four of four races; one against a modded Camaro SS, one against a Chrysler something-or-other, and two against a Camaro Z28, once with a passenger in the car. I was running on crappy Firestone tires and spun through most of first and second on the track.
Driving to Michigan, I averaged 28 mpg @75 mph. After 2,000 miles, the turbo still performs flawlessly, and the car is a blast to drive! I recommend this kit to anyone who wants a couple hundred more horsepower in their NSX.
Here are a couple of pics of my car. The decals are from the Gumball Rally and will come off in the next day or two.
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I'm still waiting on my first kit. Haha.
I am Armond
Your kit is 90% ready, just waiting on the turbo!