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strotter

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Everything posted by strotter

  1. Let me get off the philosophical "what's fast" thing with a practical question: Can these motor swaps be smogged legally? My woman has a '95 civic that's going to die some day, and I've been flirting with the idea of making it my toy. That or a rotary into a Fiat spyder...
  2. Are bedliner materials available in other colors? I'm thinking white... easy to add tint to ...
  3. Basically, Dynamic CR takes into account that there's little compression going on until the valves close. There's a good description of it at http://cochise.uia.net/pkelley2/DynamicCR.html. What you do is figure out where the piston is when the intake valve closes on the intake stroke (by one means or another), then calculate the CR from *that* point. Needless to say, it's always lower than the static CR. The thing is, it *needs* to be lower. 8.25:1 is the upper limit, as I understand it. With a turbo motor, I would imagine that the DCR would increase proportionally to the increase in pressure of the incoming fuel/air charge. Say, for instance, that you'd calculated DCR to be 7.5:1, given your stroke and cam. But let's also say that your pushing 7 lbs of boost, 50% above normal atmospheric. Now, your incoming charge has 1.5 times the mass, so DCR will increase some amount proportional to that - perhaps as much as the full 50%. I'm totally unclear about the mathematics, but I'm fairly sure there's going to be some significant increase. Finally, another thing about detonation; it isn't necessarily audible. Very, very often, when you're tuning with a knock sensor, it will indicate significant numbers of detonation events, and you won't even hear it. Taking some plug-cut will confirm what the sensor is indicating, though. Perhaps there's such a thing as a "stand-alone" knock sensor? Such a thing might be very useful to you, to isolate when knock is or isn't occurring.
  4. Grumpy's the one you really need to communicate with regards to detonation - he has a number of posts over on ThirdGen regarding detonation. *However*, I've managed to glean just a tiny bit of info as the the sources of the problem. 1. Dynamic compression ratio. One of the often overlooked aspects of modifying valvetrain timing is the effective compression of the engine while it's running. We're all familiar with static C.R., and it's easy to measure, and useful as a diagnostic tool, but it's of little use thermodynamically; the dynamic C.R. is what the engine actually experiences while it's running because it takes into account the action of the valvetrain timing, so it's all that matters. You may have a calculated C.R. of 9.5:1, but if the dynamic C.R. goes much past 8:1 or so, you're going to see detonation (with iron heads. I *believe* you can add a point for aluminum, but don't quote me). Check out http://hybridz.org/nuke/index.php?name=PNphpBB2&file=viewtopic&t=30417&highlight=dynamic+compression+ratio 2. Detonation can be caused by a number of things, including sharp edges in the combustion chamber, carbon particles in the combustion chamber, timing errors, incorrect plugs, incorrect or damaged head gaskets, and other things I can't think of right now. Basically, as soon as the combustion changes from controlled (relatively slow) to uncontrolled (explosively, or from multiple ignition points) you get detonation. 3. Stoichiometric combustion is not always what you want, even under non-WOT conditions, all the time. As a matter of fact, Grumpy and other have pointed out many times (and I've noted it personally) that stoich is mostly about catalytic converters and not about power or smooth operation. Many times, motors will run smoother in "general" driving with lower AFRs, and certainly you want lower AFRs in WOT conditions. Sometimes, such as under cruising conditions, you may want your AFR to exceed stoich. There is not, however, a "perfect" number; you have to experiment and find out what you motor "wants" under different conditions. That's the beauty of fuel injection and tuning your own ECU chips, you can explicitly tune those numbers to your liking. Anyway, there are a number of things with affect combustion so as to cause detonation. It has been talked to death over at thirdgen.org, I'd suggest you check it out (if you've got a free *day* or two!)
  5. You can swap a carb on, no problem. You'll need a manifold, of course, and if you're not going to keep the computer at all, you'll need a distributor. (And be sure to get one with "hardened" gears to mate with the roller cam.) Other than that, I can't think of anything... On a side note, I'm glad you've decided to keep the Z.
  6. Ripped off from http://www.bbspot.com/ 11 Reasons Why You Just Saw Porn on My Computer Screen 11. Wanted to get some names for people we should pray for this week. 10. You weren't supposed to be back from lunch until 1. 9. I'm studying to be an Ob-Gyn. 8. Making a list of sites to block the kids from going to. 7. Doing research for the "Tom Cruise or Gay Porn" quiz. 6. I wanted to make sure I was doing that right. 5. Just making sure our daughter hadn't fallen in with the wrong people. 4. I had to visit this page to gain access to a warez site. 3. Typo when trying to google "rough kinky corn". 2. I was reading the articles. 1. I'm just verifying that I'm not gay, again.
  7. I have a TBI setup, used to be on a 327 (may it rest in peace) and now is going on a 350. Hot Rod is wrong about the 9 psi, factory spec is "between 9 an 13", most of them end up coming from the factory at 12. There are plenty of inline pumps that'll provide that, of course - no need for an in-tank, should that prove to be inconvenient. Many, however, like the MSD I'm using, are noisy. A recent thread ( http:// http://hybridz.org/nuke/index.php?name=PNphpBB2&file=viewtopic&t=36918 ) mentioned a Ford pump from an "87-88 F150 with the 5.8" that may be quieter. Ditching the stock tank sounds like a PITA, that's up to you but there's really no need. Dan Juday, one of the old-timers on the board (and in life, too) put a 'cell in his Z. I'll be darned if I can find any online pictures of the installation, maybe someone else? Regarding the mufflers, if you can find the room, go for it. Good luck and have fun.[/url]
  8. I totally blame the Democrats for my still having to pay taxes. After all, they control both houses of Congress, as well as the Executive branch. D**n them! Err, no, wait...
  9. Yes, congrats! Nothing like the first ride to give you that "I am a God" feeling! And yes, nothing is going to mask that V8 sound. But then again, the little people need some way to know when to get out of the way!
  10. http://money.cnn.com/2004/09/13/pf/autos/monster_truck/index.htm?cnn=yes
  11. Isn't the OP's post taken from http://www.catiiimusicpublishing.com/? C'mon dude, if you have opinions, make 'em your own.
  12. Actually, it appears to be in the blouse ..
  13. I found this on another list. I thought is was pretty accurate. A lesson in Posting: How many group posters does it take to change a light bulb? 1 to change the light bulb and to post that the light bulb has been changed 14 to share similar experiences of changing light bulbs and how the light bulb could have been changed differently 7†to caution about the dangers of changing light bulbs 27 to point out spelling/grammar errors in posts about changing light bulbs 53 to flame the spell checkers 41 to correct spelling/grammar flames 6†to argue over whether it's "lightbulb" or "light bulb" ... another 6 to condemn those 6 as anal-retentive 2 industry professionals to inform the group that the proper term is "lamp" 15 know-it-alls who claim *they* were in the industry, and that "light bulb" is perfectly correct. 156 to email the participant's ISPs complaining that they are in violation of their "acceptable use policy" 109 to post that this group†is not about light bulbs and to please take this discussion to a lightbulb group 203 to demand that cross posting to hardware forum, off-topic forum, and lightbulb group about changing light bulbs be Stopped. 111 to defend the posting to this group saying that we all use light bulbs and therefore the posts *are* relevant to this group 306 to debate which method of changing light bulbs is superior, where to buy the best light bulbs, what brand of light bulbs work best for this technique and what brands are faulty 27 to post URL's where one can see examples of different light bulbs 14 to post that the URL's were posted incorrectly and then post the corrected URL's 3 to post about links they found from the URL's that are relevant to this group which makes light bulbs relevant to this group 33 to link all posts to date, quote them in their entirety including all headers and signatures, and add "Me too" 12 to post to the group that they will no longer post because they cannot handle the light bulb controversy 19 to quote the "Me too's" to say "Me three" 4 to suggest that posters request the light bulb FAQ 44 to ask what is a "FAQ" 4 to say "didn't we go through this already a short time ago?" 143 to say "do a Google search on light bulbs before posting questions about light bulbs" 1 forum lurker to respond to the original post 6 months from now and start it all over again....
  14. I have the same problem on my '72. Yes, when installed correctly, the rack moves quite a bit. I had thought the poly got oily and softened, but when I disassembled it they were dry as a bone. I believe it's the source of my "darting around on rough road surfaces" problem. Other than finding better-fitting replacements, the spacer approach may be the only solution. However, there may be more than one way to apply shims: 1, Two wrapped around the rack itself (circular shims effectively increasing the radial compression on the rack), or 2, on the "ears" on either side of each bushing (flat shims increasing lateral compression on the bushing). I'm leaning toward the latter, as the former will increase stress on the bolts quite a bit. I'm not too worried about the rack rotating about its' long axis. zcarnut, IIRC, they sell them for 1st gen Zs as a group. Perhaps that's the problem.
  15. How do you know it's a model??? It looks real-ish to me! (though there's an odd quality to the photographs, I can't put my finger on it.) Isn't the guy real? Help me out here!
  16. You dare make fun of Yellow??? How -blue- of you! Why, if I had a shortblock, I'd, I'd..... We need to get somebody with a primary red Z and take some pictures. Or even better, the whole spectrum - Red, Orange, Yellow, Green, Blue, and Violet. I'm sure somebody has a violet car somewhere in central California. Hey, maybe we could get on the cover of a magazine! Oh, but *you've* already done that. Hmph.
  17. Well, it's all fun until somebody gets a eye, er, spoiler poked out... Probably the bunny was only used to getting out of the way of cars going near the speed limit... Or he was so amazed at the beauty of your rig, he just couldn't take his eyes off of it... Or he was thinking "How dare that guy put a v8 into a classic old Z, why if I had one I'd restore it to " ...splat... What was the last thing that went through his mind? A Datsun.
  18. I don't know an Middle-Easterners that shouldn't drive, but I know a couple of Mid-Westerners that shouldn't - both of these Ohioan ladies have the unnerving habit, when speaking to you in the passenger seat, of turning their heads to look directly at you as they talk. And I don't mean a couple of words, I mean entire *paragraphs* come out of their mouths, head turned 90° to the direction of travel, eyes fixed squarely on yours. The eyes don't seem to notice the look of PANIC on the face of the passenger, though...
  19. Remember Jello Biafra & the Dead Kennedys? "Holiday in Cambodia". "It's a holiday in Cambodia It's tough kid, but it's life It's a holiday in Cambodia Don't forget to pack a wife..." Classic. Good times, good times...
  20. When I was a kid, I saw a similar accident, but with a horse. Family of four in the car (a Dodge station wagon), nobody made it out. Primary impact killed Mom & Dad in front, secondary impact & turnover likely killed the kids in back.
  21. Seriously man, you ought to consider making splashes of the components - a lot of kits for Z's just don't "look right", but you've captured something special there. Clearly a first-gen Z, but, um... nastier. At the very least, you need to consider a name. Customs always have cool names.
  22. Mike, if finding Osama is goal number one, perhaps they should have kept that in mind about the time they rolled into Baghdad. I'm sure the CIA is working it, but the rest of the government is not; don't you think we could do a better job hunting this guy down if we had a couple of hundred thousands soldiers freed up to do some digging around? I want to know why most of the 9-11 attackers were Saudis, but we're not rolling into Riyadh. I want to know why the Iranians - a country that is working to create nuclear weapons and have admitted it publicly - have established madrases (funded with Saudi money) that teach nothing but hatred for the West, and the U.S. in particular, but we're ignoring them militarily. Sudan has in the past been a refuge for Osama, but how many soldiers are asking questions in Khartoum? Iraq is very effectively diverting resources, time, and peoples' attention from the real goal - the guys that did it.
  23. Actually, if the government was a business, it would have been in the black until about three years ago... I just wish we could get back to hunting Osama Bin Laden. Or fighting terrorism. Wouldn't that be excellent?
  24. It's the other way around - with the valve closed (and make darned sure it's closed) you run the nut down until it doesn't rattle (take up the slack) and then *tighten* it 1/4th to 1/2 turn. Very strongly recommend you get a good manual.
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