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  1. HarperRacingBangkok

    How To: 1JZ trans and converter onto a 1UZ

    "Fitting a Toyota 1JZ A340 transmission onto 1UZ." That's the search term I wish would have yielded some results when I was in the process of building my combination. I had a race car with a 1JZ (actually a 1.5JZ) and racing automatic and torque converter when I decided to "add two...
  2. HarperRacingBangkok

    Race Powerglide Builder in Australia?

    I just spoke with Jeff Dellow at Dellow Automotive in Australia and the news was good: the detached Australian and "machined-off bell" USA powerglide both bolt up to the Dellow 1UZ-to-powerglide bell housing. Their bell housing uses the pump bolts to mount the glide. Now, my next decision...
  3. HarperRacingBangkok

    OBX ITB - Anybody use these?

    I found this ITB set-up on e-Bay (below) . . . and I'm sure all of you have seen them. Anybody out there actually use them? Could you build a box on these and use it in a turbo/supercharged configuration? Are the runners sufficiently large (and thick) for ported heads? Flow numbers? Dr. Jeff...
  4. HarperRacingBangkok

    Blow-Off Valve Spring Pressure?

    I am building a Vortec-supercharged 1UZ for my drag race car (see photo) and am nearing completion. I have a question for this experienced group: I have a Tial 50mm blow-off valve (see photo) that has a 14 pound spring in it (intended for a turbo). My understanding of supercharged engines is...
  5. HarperRacingBangkok

    What Are The Injector Options For 1UZ?

    I am at a purchase point for injectors for my supercharged 1UZ race car project ( http://drjeffbangkok.squarespace.com/racing-projects-blog/ ). I have been all over the Web like flies on roast beef . . . . and there is a lot of "information" out there on this topic. I am looking for a "drop in...
  6. HarperRacingBangkok

    1UZ Deep Sump Oil Pan

    I thought you guys might like to see the oil pan I will be using on my 1UZ-powered drag truck. If you want to follow my progress (and mistakes!) on building a supercharged 1UZ for my drag racer, you can go to this tread on this site: http://www.lextreme.com/forums/showthread.php?t=12291 Best...
  7. HarperRacingBangkok

    Project Thread Supercharged 1UZ Bangkok Drag Truck

    I thought some members would like to see my supercharged 1UZ drag truck project as it unfolds in Bangkok. Feel free to offer comments, corrections, and good ideas. I would appreciate it. I have a web page devoted to my race projects, including the supercharged 1UZ into my 1990 Mazda Familia...
  8. HarperRacingBangkok

    Forged Pistons on Standard Con Rod?

    I am contemplating using the Ross forged piston on the (early) standard 1UZ con rod in a low boost (10 psi) Vortech V9 supercharged configuration but am concerned that these pistons weigh more than the standard 1UZ piston. My concern is that the additional weight will cause additional stress on...
  9. HarperRacingBangkok

    Comparative 1UZ Piston Weight

    I am contemplating using the Ross forged piston on the (early) standard 1UZ con rod in a low boost (10 psi) Vortech supercharged configuration but am concerned that these pistons weigh more than the standard 1UZ piston. My concern is that the additional weight will cause additional stress on...


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