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johnc

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Everything posted by johnc

  1. Not enough piston area for the fronts. Typical front piston area is 150 to 175mm which balances well with the typical rear piston area of 100 to 115mm. You've got 112mm in front which would require something around a 75mm rear piston area. I doubt you'll fine any caliper that has a 75mm total piston area and even if you did, your brakes are going to suck big time.
  2. The only cure is moral restraint and celibacy. Funny that Dan would be promoting these concepts with this post.
  3. They also came with OS Giken twin cam cross flow heads. You can find those heads on eBay for $500 with free shipping from Japan.
  4. Its a repost and a rehash of a basic theme around since the Internet began. I can probably dig up an e-mail from 1996 that states the same things in text format and if I really try I can probably find a PowerPoint presentation just like this video that Bill Gates gave at a TechEd event somewhere in the late 90's. The only change is the names of the countries and the dates and replacing AOL with Myspace. The statistics are basically meaningless but when added to graphics and a crappy dance song it seems as if what's presented is important, groundbreaking, and earth shattering. Its not.
  5. Probably because the anti-roll bar bound up or bottomed on the lower control arm.
  6. He calls it his "shank" and yes, he's always reaching for it. I'm also getting tired of pushing DR around the yard. He keeps making these engine sounds when we're rolling along he's not using his mouth.
  7. Another data point... Extensive testing ($5K in tires, $1.5K in facility rental over two days, $350 in fuel, and $250 in food) on a customer's FP E36 BMW (about 2,100 lbs. and 250hp) showed that the 285/30-18 Hoosier A6 was faster and pulled higher steady state Gs then a 16" Hoosier 23.5 x 11.0R-16 in R25 or R35A compound. Later discussions with Jeff Speer at Hoosier indirectly confirmed this by saying Hoosier's upcoming R100 and R80 slicks are said to be a fast as their A6 tires for autocross.
  8. Try to figure out why he puts those "other" projects in front of yours.
  9. Just because one car can accelerate faster then another does not mean the faster car has more horsepower. There's that whole lower weight and reduced MOI thing that improves a vehicle's rate of acceleration without affecting the hp produced by the engine.
  10. A weight distributing or equalizing hitch is a good idea. Also, as suggested above, make sure you're loading the car on the trailer correctly. If the car and trailer combined are 3,500 lbs. you need at least 350 lbs on the trailer tongue with the trailer sitting level.
  11. Cut the bumpstops down by 3/4" so their total length is 1".
  12. I've got a customer's E36 in the shop right now. 2,218 lbs, 295 hp, 285/30-18 Hoosier A6s all around. Anyone wanna a race?
  13. At 100,000 miles the 740i will probably new transmission or at least a lot of work on it. FYI... In 1999 BMW released the revised 740is:
  14. Although not specific to a Bilstein shock, the Penske manual will get your mind moving in the right direction. http://www.penskeshocks.com/files/Adjustable_Manual.pdf
  15. There's a lot of reading here, but this is a complete list of the various rear ends and differentials the members here have fitted into a Z and/or a ZX: http://forums.hybridz.org/showthread.php?t=103512
  16. Welded diff = locked diff. Any differential can be welded although 99.99% of the people weld an open differential. Its cheap, typically $100 if the diff is out of the car and clean.
  17. 32? You're getting too old to "roam." Happy B-day.
  18. http://jalopnik.com/5244084/whats-the-worst-car-commercial-ever
  19. You're hooked and screwed. Nothing to do with cars will ever be as much fun.
  20. One thing that's nice about building to SCCA roll cage rules is that they've been developed over decades of real world, multi-car crash experience at speeds above what you normally encounter on the street.
  21. The noise is from inside the transmission. Pilot bearing and throwout bearing noise comes when the clutch is engaged. If the noise increases with engine RPM, not road speed, then its from something on the input shaft.
  22. With Solo2 the names of the categories are misleading. There's no intended progression from Stock to ST, to SP, etc.
  23. Roland, I have no idea where in your car the 2 x 3 subframes are going but the main hoop and door hoops of your roll cage should be tied into the rocker panels, not any subframe that's running nearer the centerline of the car. NHRA still gives a weight break for 4130 and you can save weight with 1.625" x .083" tubing. If you plan on running your car with most any road race/track sanctioning body here in the US, .083" 4130 tubing is only allowed if the tubing is 1.625" OD. And, BTW, DOM tubing of the same dimensions is allowed so the extra cost of 4130 doesn't get you any weight savings. EDIT: The above road race tubing dimensions are for a car weighing 1,700 to 2,699 lbs. without driver. If your car weighs in at 2,700 lbs or more then you'll need 1.75" x .095" or 1.625" x .120" wall tubing.
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