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SleeperZ

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Everything posted by SleeperZ

  1. That's only good for 15psi though...I know some are made for up to 100psi, for EFI, but they might be a bit more $$.
  2. SleeperZ

    WWJD?

    That's pretty cool.
  3. Another kiss of death? Good luck.
  4. It sounds like whatever circuit you have to drive the coil isn't doing it. What is your setup? You have power to the coil, obviously it's not getting switched to generate a spark.
  5. Mark's suggestion sounds good. The RPMs not dropping is NOT normal. I had that problem once on my stock '78 engine, but never on a turbo conversion, either with the '82 EFI or the '86 I have now. Either something is bypassing air, or something is keeping your throttle open when you lift.
  6. With this style downpipe around a T5 it is a very tight fit - I have less than 1/2" between the bellhousing and the pipe and the firewall and the pipe. That's with Scottie's 2-1/2" downpipe. I doubt you could run a 3" pipe along the same route.
  7. Whatever you do, DON'T get a crush-bent system. Even if you go with 2-1/2", buy mandrel bends and have the muffler shop weld or clamp them in. Crush bent is very restrictive, and the wrinkles trap moisture and rot out much quicker.
  8. Bad O2 sensor will cause the car to run rich, pretty much all the time, idle and cruise anyway, not sure about WOT. I don't know what a "slow" O2 sensor is, but the 280ZX unit is non-heated, so maybe that's what he meant. Anyway, any universal O2 sensor with one wire will work for the 280ZX.
  9. Egad, what can I say? As much respect as I have for what James is doing with his L28ET, yours looks the ultimate L28ET. I just love a big single, and that heatshield is the $hit! Get that thing buttoned up already, I wanna know what it'll do!
  10. The good thing about Spearco is their specifications. If you can get a part number for it, you can see what it flows and it's efficiency. I am using a Spearco about the same size; it's supposed to flow 650 cfm with their standard pressure drop (not sure, maybe 1/2 psi). The fellow I bought it from used to run 12s and high 11s. Maybe he was pushing it, maybe not, but it works well for me even though the inlet and outlet are just 2" OD.
  11. Not off the top of my head. But check out http://www.z31.com, with a short search you should be able to get it.
  12. Tyson, that sounds awesome. The 2JZ is my fantasy swap, so get used to me living vicariously through you. The only other 2JZ swap in a Z I've heard of was a car that sold on eBay last year sometime. Looked like it fit OK, especially since the intake is on the steering side of a LHD car; you just might have to play with exhaust manifolds. I believe the eBay car had a single turbo.
  13. If you don't have a turbo, 3" is too big. 2-1/2" works just fine.
  14. Just checking...are you sure you have a cat on it, or are you referring to the resonator? Nissan did not put a converter on the Zs until the fuel injected 280s came out, and then only on California cars. They also installed a floor temperature warning light! If you installed it, I'm curious as to why.
  15. My bet is you will find no one makes the gauge pod you want. The Zs do not have the marketability of Hondas and such, and aftermarket parts manufacturers ignore them. Maybe you can adapt something from a Mustang or a Civic.
  16. 260s never had cats. What engine are you running? If you have a stock engine, look at MSA or VB for a kit, otherwise you pretty much have to make your own exhaust. No kits here.
  17. All right. You had a wet nitrous kit. That's not exactly all factory components, but now it's believable. I still don't think a turbo ignition is limiting, but I'm not pushing the envelope at the moment.
  18. ON3GO, most of the questions you are asking have been discussed extensively. Have you searched for stuff on radiators? I bet there are several very good posts, perhaps in the Chevy forum, dealing with radiators.
  19. Did you read the stickies and guidelines for posting? It seems like you didn't.
  20. Sounds like you just got a big vacuum leak, all of a sudden. If the MAF was bad, it wouldn't make a difference if it was hooked up or not.
  21. I guess I miss your point about "tuning" the ignition then. What's the difference? A na ignition can be tuned for advance, initial and total, but a turbo can also be "tuned" as well. If all you want is max power, set the inital advance to get your total advance where you want it. And give me a break about 119mph on stock turbo injectors. What did you do to flow 400hp from 6 260cc injectors?? It sounds to me like you were driving a ticking bomb.
  22. I use a FelPro and stock headbolts, and have for a while. No problems.
  23. Non-turbo EFI sounds more like a PITA than interesting to me....but each to his own. Tuning a factory system with non-stock flow injectors and a non-stock AFM
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