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  1. RacerXJ220

    Dyno with filter on or off?

    Has anybody done any back to back testing? I am wondering at what level mine would be a restriction, or if there is any rule of thumb going about selecting a new one. I made 635rwhp @ 27PSI with the filter on, but I expected a lot more out of it with this setup. I am using a beat up K&N...
  2. RacerXJ220

    Coil overs too stiff? Less traction from a roll?

    I know stiff coil overs are not the best for dig races, but how about from a roll races? I am about to install these coil overs, but with 18/16 rates it seems stiffer than most other rates I have ever seen. I bought these off of ebay, they are JIC FLA-2's with new cartridges and the stiffer...
  3. RacerXJ220

    Suspension travel felt after WOT. New busings?

    After WOT pulls when lifting my foot, I can feel and see the nose of the car go down and to the right... I am wondering if it's a blown shock, pushing, or tie rod end... Just has me thinking. Is this normal if you are making 500+ft. lbs of torque? I always thought the car should feel...
  4. RacerXJ220

    S374 1.5JZ vs. LS1 w/ 150 shot, full bolt ons, MEXICO

    Just a friendly race somewhere in Mexico. http://www.youtube.com/watch?v=dGQkMCQrbC4 My mods: 1.5JZ, fully built head, 74mm turbo, 93 octane + meth. 29PSI. His Mods: Aftermarket heads, huge cam, header/exhaust, 4.10 gears, 150-175 shot (not really sure but he brought all he had)...
  5. RacerXJ220

    Runs rich when I hit a bump???

    Recently, while in neutral and cruising on any road, if I hit a bump the car will run rich (mid 11's afr.) and have trouble idling back up without my help (my RPM in the timing and fuel maps here used to be fine no matter how many bumps I took). I am thinking this is a wire showing it's ugly...
  6. RacerXJ220

    Thoughts about 11B plugs?

    http://www.300zx.net.nz/articles/MainLib/Theory/sparkplugs.htm Any thoughts about these? Looks interesting. Would they fit or mess with compression?
  7. RacerXJ220

    GT40R low boost dyno on built 1.5JZ

    Mods at the time: GT40R / 1.06 11PSI, spike to 13PSI Stinger 4424, stock 1JZ coils 880cc top feed (at the time single feed/return) Greddy 3 row fully built 1JZ head 1mm OS valves, aggressive port/polish, 272 custom cam setup 9.3/10.3mm lifts, ferrea dual springs, etc. stock 2JZ-GE block and...
  8. RacerXJ220

    Okay, tired of clutch issue. Tried everything except a new clutch. Any advice?

    I've been on this clutch for about five or six months. I baby it everywhere. After an hour trip to Birmingham, the clutch started sticking to the floor between shifts at high rpms (anything above 5,000, WOT or not). It is an ACT eXtreme pressure plate, with a six puck feramic sprung disc...
  9. RacerXJ220

    Starcraft Fastest Maps callout

    I am one of the best on the east. Unbeatable unless you hack. I only use toss. I'm bored, entertain me. ProfessionalSC
  10. RacerXJ220

    Meth injection, nozzle on intake manifold or intercooler piping?

    I have upgraded my meth setup from a single M14 to three M5's. I think the intercooler piping is the best place but hear this out. Rodney at Alcohol Injection Systems dot com recommended I mount these on the intake manifold. Almost right above the intake ports. This should be best for max...
  11. RacerXJ220

    1JZ issue, helping a friend

    I have a friend who just swapped in a stock twinned 1JZ into his 240, and he's having problem with it running. It starts up on the first crank when cold, and idles fine. During cold running the car seems to work great. After it warms up, it's difficult to start and there is a huge drop off...
  12. RacerXJ220

    Weird problem with Air fuel.....

    During WOT I have been experiencing a random lean condition. I think my FPR is taking a crap on me, just want to ask you guys. Normally, my AF's should be in the 11.5-12.0 region for 11PSI. Well tonight it wanted to go to 13.0-13.5, I started losing power, checked the AF and let out of the...
  13. RacerXJ220

    1.5JZ-GTE vs. GT500

    When I first put my car together (Thank you Suprahero, Driftmotion, 10secDream, SupraNBamma) and made sure the tune was solid me and my buddy were headed toward the track to see what kind of times the car would run at 11-14PSI. On the way to the race track on a closed course I pulled up to a...
  14. RacerXJ220

    My Supra vs. built T66 B18 Civic Hatch

    Had a great time, here are the vids. First imaginary race in Mexico between my car and a friend's T66, built B18 block, standalone in a light weight Civic Hatch. JZ for life. 1.5JZ, GT40R/1.06, cams, fuel pump. He's on 10 PSI, I am on 11-14PSI. He weighs 2,200lbs I weigh 36XX? I have no...
  15. RacerXJ220

    MK3 in street racing bust

    http://www.youtube.com/watch?v=lQUbLN1t338 St. Paul PD. 1:46.
  16. RacerXJ220

    1.5JZ vs. LS1 w/video

    Looks like fun in a small Mexican village somewhere.... going from 5 mph to 65 mph (limit)...... ;) http://www.youtube.com/watch?v=s171BrPoxss LS1, cam, SLP intake, exhaust, rough tune. 1.5JZ, cams, GT40R w/ 1.06, wastegate spring (11-13PSI!!!), Stinger 4424. No brake boosting, started...
  17. RacerXJ220

    19 June 2009, Steele, AL for some 1/4 mile fun

    A small Ford Focus group from B'ham and maybe a couple of people from Anniston (including myself) are planning to go to Steele Friday night. Come hang out! I believe they open up at 9PM.
  18. RacerXJ220

    Stinger + 1JZ ignitor = slow reading stock tach?

    Curious, but lately when I have wheel spin I will hit fuel cut at 7000 rpms, not the 7600rpms I have set in the stinger. When reviewing the log, it appears the stinger is recording 7600rpm like it should be for the rev limit. Is anyone else having issues with the Stock Toyota Tach being just...
  19. RacerXJ220

    Stock 380cc 1JZ Soarer ECU, Lean @ 0 PSI

    Okay, I've been busting my ass trying to get my car back to stock condition to work out all the bugs. The car sat for two years before I started playing with it a month ago, it sat for about six years before that.... Anyway, fuel has been replaced, the fuel pump has been replaced, I'm on a...
  20. RacerXJ220

    Compression question, engine safety on 93 octane

    I'm using a 1J head on a 2J-GE block, and I have a choice between either a stock 1J headgasket, or use the 3mm HG (8.3 ish : 1) I have from cometic. I am running 274 degree 10.3mm lift cams with 1mm OS intake valves. I'd like higher compression (9.2:1 ish I think) with the 1J headgasket but...