letitsnow

Some forums convert all caps to capitalizing each word.

That sounds like maximum possible horsepower with that size pipe. As in, take a 500hp engine and make it breathe through a 2.5" pipe and it will only make around 450hp.

No, I'd use 2" or 2.25" all the way. 2" duals equate to just a little bit larger than a 2.75" single pipe.

Go with the hx60, I bet that gt45 is garbage.

I'm 20. My dad used to talk about some Z's he used to have, showed me pictures, all that stuff. I actually tracked down the '77 he had in the 80's, and it was cheap enough that I could buy it with a parts car. I tore it all down and found the years had not been kind to the body/frame. I ended up selling them to a friend who repaired the parts car and gave it to his aunt, it was in better shape but a 2+2 and I wanted a coupe. I kept the engine and transmission out of one just in case I found another one, which I did. I found it on craigslist for $400 with no pictures and listed as 'restorable condition', I expected that it was a heap, but it was 15min away. The car had no engine and the only rust was behind the front wheels, and there wasn't much there anyhow. I put my engine and trans in with some turbo stuff I've been collecting, and this is the point I'm at now. turbojohnny, do you ever go to NYIRP?

If you kept my trigger angle, did you rotate the dizzy all the way CC? Are you pumping the throttle when trying to start it? Something funny is going on the the TP in your datalog. Also, maybe zero out the AE table, it's kicking in when you're trying to start it and may be drowning the engine. If you're getting a consistent and believable rpm in megatune, then I don't think the dizzy is bad. Mine was so I swapped in the guts from an '87 z31 dizzy, I just needed some longer bolts and nuts to hold it in place.

The thing that annoys me about the whole thing is that the drivetrain has to be destroyed and the cars crushed. It basically ruins the used car market. See here I have to agree with you, nothing political has been said or implied.

That's the only issue I had with the hobart I used when my miller was down, otherwise it was great.

The trigger wheel is aluminum? I'm almost positive that it has to be a magnetic material(ie. steel or iron).

Are you using the '83 dizzy? Try rotating it all the way counter clockwise and using a 55deg trigger angle with 6.0, 3.5, and .1 for dwell settings, I got those from the megamanual. This is what I'm using and the car fires right up. Here's my msq, it only goes up to 100kpa so don't drive it without changing the ve and spark table(if it works). running l28 letitsnow.zip

That's really cool! This thread reminded me I havn't messed with my nitro evader in a while.

I don't believe the turbo dizzy and the n/a computer play nicely, IIRC the n/a is a variable reluctance(vr) type and the turbo is an optical. The output signals are very different. What are you planning to do with it that makes you think the advance curve needs to be changed? On a stock engine there isn't a whole lot to be gained by playing games with the dizzy, unless nissan got it horribly wrong. Which they might have, but I kinda doubt it.

Is it a turbo car? If so, the best money spent is an aftermarket ems. If not, someone else will have to answer because I'm unfamiliar with them. I wouldn't give up computer control for a mechanical advance when it's so cheap/easy to get a megasquirt setup. Mechanical advance is antiquated.

I would look at master power t70's and borg warner s400's. Both can be had for ~700 new. You'll need 2 of just about anything that's used on an L6 in order to not choke the motor.

Found it!

Bump, I don't have the pigtail either and the ebay auction is gone. I found a post explaining it before, but I can't find it again. I really think this info should go in the sticky.

Very nice stick welds! What size is the hot side on that turbo? My t04b had a huge 1.32 ar housing, it's pretty cheap to get the right size t4 housing if it's too big. mcmaster.com has all sorts of stuff if you don't mind ordering.

Basically a set of safety rules about things like the roll cage, firewall, stuff like that? Take a look at formula sae, there isn't much racing compared to a real race series, but there are some very cool things that go on, lots of unique designs. Example: University at Buffalo ran a modified briggs v twin with a cvt setup and placed 18th, most teams use a 4cyl bike engine with much more power. I agree that it would be cool to see a full scale race series with similar rules, well minus the 20mm intake restrictor.

If they do, they're not doing a very good job at it. We had one of the faster accelerating cars on the course with a clutch setup that's basically an educated guess, with a truly legal motor. There were only 3-4 cars that I noticed pulling away at a decent rate, losing 40min of the race to repairs seriously hurt our position. We had a 3 way tie for 30th out of 100 teams. Part of the tech inspection is having the governor set by the briggs guys, I think if they heard a car that sounded like it was revving significantly higher that they'd get sent to get checked out. Also, the top ten cars from the enduro get completely torn down by the tech inspectors after the race to check for any cheating.

We're required to run an untouched 10hp briggs, we can use any drivetrain after it though. It adds another thing to design around, being an engineering competition. We used a jr dragster cvt with a single 12t/60t chain drive, we ended up with one of the faster accelerating cars out there. The swingarm design worked out very very well, it took a little more driving than the IRS cars, but we made it work. I do have to say that I'm thankful for every single piece of roll bar padding and safety harness/cushion, we had 11" of travel at each wheel, but you still get thrown around a lot. Especially if you come up short on a double. It is still really fun to drive, the race track was a relatively mild motocross track with a few obstical course style sections, like a rock section and some telephone poles layed down around a corner. Ours has room for a 22hp vtwin in the back though.

Was anybody else at the Wisconsin competition this year? I was there on the MCC team, car 102. I'm wondering if I inadvertently talked to any other hybrid z'ers while searching for various tools or parts we didn't have. We had the black and yellow swing arm car. Here are a few pictures, I'm waiting for our adviser to upload the rest. And one of the car clean before we had everything together to mount the shocks.

anplumbing is a great site, I've ordered hundreds worth of stuff for our mini-baja car from them. If you can't find what you're looking for call them, there's a good chance they'll have it.

Is that a typo?

According to the MSDS sheet for the blue stuff walmart has, it's ~26% methanol and 74% water(+- a few %, I don't have the sheet handy right now), no soaps or additives. I had to look this up because it makes a perfect heat transfer medium in geothermal heat pump systems, and it's about 1/4 of the cost of the name brand heat pump stuff.

You could always print out the megamanual if the screen bothers your eyes. It's one of the most informative things I've read about EFI. The reason injectors and fuel pumps are sized by hp, # of injectors, and pressure requirements is that hp is all that really matters. By using a formula that includes displacement, boost, VE, and all that other stuff, you're essentially trying to calculate hp and injector requirements from that. Also, there isn't really a penalty for going too big , unless you get to the extreme end of things. But by then you should already know how to fix/avoid that.