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  1. tom_sprecher

    1st Gen RX-7 Rotors

    Where's the best place these days (value for what you pay) to get remanufactured calipers and new rotors?
  2. tom_sprecher

    Oil Cooler - Help!

    I am trying to identify the oil coolers I have been using in my 1st gen. The core (not including the end tanks measures 18.25 x 5.25 x 2 inches, has 8 rows and and looks like this. I thought they were 1st gen coolers, but I went to buy one today it was about 2 inches too long. Atilla...
  3. tom_sprecher

    Oil Cooler Fitting Seals

    After pressure testing the cooler and hoses it appears I have a oil leak at the seal between the 16mm to AN-8 steel adapter and the 1st gen early model cooler threaded bungs. When the system was first put together Stat-O-Seals were used but they began to leak after about 5 weekends even after...
  4. tom_sprecher

    SEDiv Convention

    Anybody here going this weekend to Jekyll?
  5. tom_sprecher

    Atlanta Region ProIT

    It is the goal of the Atlanta Region SCCA to provide our customers with the best racing product possible for the price paid. To the end we would like some feedback from you on our ProIT series to guage what needs to be tweaked or left alone. Why do or don't you race ProIT? How do you feel...
  6. tom_sprecher

    I'm going out on a limb here...

    Dear Abby, Since Mazda no longer produces 12A rotor housings, and finding serviceable used pieces is proving to be an exercise in futility, what chances are there that either the IT7 divisional or the SCCA advisory committees would allow the 13B in stock form or with Weber carbs like found in...
  7. tom_sprecher

    12A Bolt Torque Pattern

    I tried to search but came up with nothing here and using Google. I have an '83 service manual that shows the bolt tightening pattern for the 18 engine bolts. My engines only have 17. Can someone point me in the right direction.
  8. tom_sprecher

    Atlanta Region Christmas Party

    This year we moved to a better venue, arranged for more and better food, an open bar with beer and wine, there is covered, secure parking and have reduced the price to only $10 a head. Register at the link below by Dec. 3...
  9. tom_sprecher

    Is It Really Worth It?

    I had to withdraw for the test day and double SARRC race at Barber this weekend. This makes two races in a row but last time my wife and I had some nasty virus that drained all our energy and made us light headed. This time it was the cost. The total bill was going to run $1200. At the last...
  10. tom_sprecher

    You Have $25k, What Would You Buy

    Suppose you had just sold a formula car for $40k and were thinking about getting an IT car. Having been a front runner in FC and FB you want something that is very competive so any make and model will do. What would you get if you could not spend any more than $25k. What would you get if you...
  11. tom_sprecher

    1st Gen OEM Pilot Bearing Puller

    Before I go and buy one from MazdaSpeed for $87 does anybody have an unit that will work. I have three bearings to pull and have tried some other methods (carriage bolt, jaw puller, etc) but they failed. There just is not a whole lot of thickness to that roller bearing cage to get a grip on...
  12. tom_sprecher

    1st Gen Flywheel Nut

    I want rebuild my engine this winter and want to start taking apart the spares I have to see what is good and what I can take to be recyled. It looks like the flywheel nut is 34mm and I understand it is torqued to something like 350 ft#'s. I have an IR 231C impact wrench like this...
  13. tom_sprecher

    Can We Have Longer...

    Titles? It seems like the length is set at about 10 characters.
  14. tom_sprecher

    Timing Light - Which One?

    I have an old non-adjustable timing light that works fine albeit not too bright (much like its owner) ;). How do the "adjustable" units work. Can you dial in how much timing you want and when set correctly the TDC mark on the pulley will line up with the pointer? TIA
  15. tom_sprecher

    Dirty , Desperate & Drunk...

    Dear Abby, My front brake ducts are that high $ orange stuff that was so spanky when new but now is covered in brake dust. What ever shall I use to clean it off and keep it all shiny and new? Do tell, Dusty Ducts :blink:
  16. tom_sprecher

    National Rule Set For IT7?

    If we could all somehow agree on closing the differences and settle on a national rule set to combine SRX7 w/382, IT7 w/362 and PRO7 w/148 regional entries in 2007 it would make us the 10th largest class in regional racing. It would also provide justification for the inclusion of IT7 in the...
  17. tom_sprecher

    12A dyno numbers

    Earlier this week I took my car to http://www.dynolab.net/ to make sure the carb I built performed as well as the Yaw carb the car came with. After two hours of swapping carbs, jets and airbleeds I was able to get 111 HP and 101 ft#'s. This was a little better than the Yaw at 107 and 99 but with...
  18. tom_sprecher

    12A Timing

    I know this sounds bad but I do not have a clue about setting the timing on my RX7. It has an oversized crank pulley presumably from MazdaSpeed (maybe has 6-8 1/4"? holes drilled in the face if that tells you anything) that has 4 hash marks milled on it. Anybody have the same setup? What do...
  19. tom_sprecher

    Brake Proportioning Valve Setup

    Since my last race I have installed a lever style Tilton brake proportioning valve and do not have a clue as to how to set it up. When I get on track during test day what procedure should I use and what am I looking for in order to set up my brakes w/o ending up in the back of someone or off...
  20. tom_sprecher

    Toyo R888

    Does anybody have any experience running the R888? I've heard more than a few people have complained that they become unpredictable after just a few cycles. But there's that $100 coupon I'd like to get my hands on. Oh, and Steve, if your reading this please drop it in the mail ;). I see...
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