Na - no go pro - I don't seem to have time to mess with in-car recordings. Tried it once, took too much time. I am taking one of our Nikon cameras that has good video recording, 10X zoom, and a class-10 8GB chip. There should be three people there with me on Sunday, so maybe something good will happen - and get recorded. Friday will be a play-day at the strip if everything works tomorrow. I just got five fresh 15lb nitrous bottles and the three more C85 cans.


I just finished installing the new injectors, and just need to finish the UIM assembly and some minor stuff, then pour in the C85 and see if it starts.

Took pix of the front race plugs - they look very good - dark grey upper shell and good fire rings (identical) on the itty-bitty ground straps.

Upper end, ready for re-assembly tomorrow with new injectors.



These plugs have seen a lot of 150-shot runs and still look great.

 

I don't know if a 28 will fit on the 6th gen. The 26x11.50 et streets were not too far away from the strut on my car. A 6th gen would look awesome with a 28 on the front though.

 

I just finished taking a drive in my 1999 E85 Maxima, and it works very well. Started right up and settled down to burning VP C85 very nicely, thank you.

Tomorrow it's time to spray it.

 

Woohoo!!!

Gonna be fun with the spray and E85!

 

Dang those spark plugs look clean lol

guess we'll find out when the arrive tomorrow lol ... already ordered 28x11.5-16's

wanna sell those rx7 rims you got lol ?

Nice ... dun dun dun dunnn

 

Dang those tires look BIG !! anyway, those are huge tires... it'll be real interesting when you spray the car - will the tires break loose? will the axles snap?

Huge tires....

 

If they fit, they are gonna look soooo awesome! You better take some pics with them on the front!

I sold the rx7 rims and et streets together a long time ago.

 

dangit LOL you didn't have to word it out lol ... i KNOW the axles will snap HAHA ... screw it lol


i will haha ... my friend said they won't fit lol

i said Screw it ... i'll take the fender off and put some spacers on if i have to lol

dang lol ... i got a friend that has a few but won't sell them to me ... he said i could borrow em .. but i'd rather have my own lol

 

eek lol .. well this will be fun lol

now you guys are scaring me and i think either it won't fit and if it does i'll instantly snap axles lol

 

What width of wheels do those monsters require? Or which wheels were you going to use? I think you'll need wheels with small backspacing (4-5" ?) just so you can turn a corner - if the tires fit in the wheel well. Well, let's hope they fit. After all, axles are cheap.

 

only an 8" lol ...so im trying to find some rx7 FD rims just like krazy.. so its not the width thats the issue ... its how tall they are.. thats killing it lol

already talked to the guys at raxles

after i snap these im gonna get some built ones ...

 

I took the Shark out for a walk last night, and with the 26N-17F (150-shot) jet combination it pulled very hard through second gear. Not enough highway room for more. The lambda was .83 which is roughly equal to a gas 12.2 A/F. This is too lean for me at this point, so I'm going to step up to 26N-18F and see what happens - maybe this morning, although traffic is heavy in the morning.

We have Issac's rain coming early the afternoon. Chances are that Heartland won't be open tonight, so I can't try the car with slicks tonight if the rain sticks around. I have taken the day off work to get ready to tow to the track, so instead I can finish the fan override switch and a couple of minor chores. Need to pull plugs and look them over.

I also have thought about raising the top shot level a bit - I have some .028 jets which I can try for nitrous - just need to calculate the fuel jet. I have a bucket-o-jets.

 

niceee

wait ... ?

.028 ? thats a 200 shot lol

 

Taz, I hope the 28s fit. Your car is going to look so mean with those on the front!

Good news harold. What a/f are you shooting for 12:1? That's usually what I would want to tune to.

 

gon find out soon enough lol

 

Bummer -the rain showed up about 5PM so the Friday t-n-t event was cancelled. I need to get the Shark tuned with this krazy e/c85 fuel. I tried the NX jetting recommendations for 6 stage direct-port ( 26N 17E) and that was a total LEAN fail - same with 18E (about 1.06 lambda). I had just installed .020 F jets, but the rains began (it's STILL raining after 4 hours) so I dunno. I'm looking for a .75 - .80 lambda - about a 11.03 to 11.75 gasoline equivalent A/F. With the GT100 fuel, I had a stable lambda of 7.3-7.4 or so, so that's my goal with the C85. I think it takes more of this fuel than the jet charts know about.

So a .028 is a 200-shot? Is that with 6-port direct spray or something else? just asking... A .031 is the nitrous jet for 6 stages at 225-shot.


Time for a calculator....

 

Them is BIG tares.....

 

maybe its different ... because i did end up going with a Dynotune direct port setup

he made me an offer i couldn't refuse lol

but a .028 on a dynotune fogger system is a 200 shot







houston ... we have a problem

lol they fit

 

It looks like I'm going to skip out of tomorrow's IFO - I got in one highway trip this morning, with two WOT runs w/.020 fuel jets, and it got LEANER - .113 Lambda. I think I'm jinxed with E85. If I can't get this fixed tonight, then I'm out of the IFO. With the house full of people for my wife's birthday, I may not even get in one highway tuning run.

Oh well, next weekend there's an IFO in Noble OK. That's only 250 miles away.

Dang, those are big tires....

 

Dang ... that sucks :/

 

Yeah, but I've got two daughters, one grandson and a dog staying overnight, so I'm not getting anything done tonight.

If I knew that the heck is going on with the lambda reading I would feel better about the whole thing. I knew that swapping over to E85 was a risk, and I thought I had it working when the runs the first night were lambda .83 - but that may have been with a couple of gallons of the GT100 still in the tank. The stupid car still starts and drives normally very well now.

But using larger fuel jets and having the lambda go UP with spray doesn't make any sense.

 

maybe your pump isn't able to flow enough fuel to support e85

 

The pump is an Aeromotive 340, able to deliver a boatload of fuel through the completely rebuilt fuel system, with 6AN hoses on the expanded fuel pump carrier and 1/2" hard lines from front to rear, an Aeromotive 1.500 HP 100 micron filter and 6AN lines to the OBX 350Z fuel rails with separate feeds and returns. There is about 12 gallons of VP C85 in the tank. I have a fuel pressure Cyberdyne digital display on the A-column right at eye level and I see no pressure drop. I don't think fuel delivery is the problem.

I think the next step is to go back to smaller fuel jets and see what happens.

 

Bad nitrous fuel solenoid ?

 

Don't think so - a bad nitrous solenoid would make the car rich, not lean. I set up a flow test on the fuel solenoid by connecting the two fuel solenoid wires to jumpers, took off the 4AN hose that goes to the 6-way fuel splitter and added an extension hose going to a bucket, powered up the fuel pump with my small portable battery bringing up the system fuel pressure to 45psi, then jumped the solenoid to the main battery - instant stream of fuel coming out of the solenoid and filling the bucket.. No restrictions here.

 

Next test - I installed .017 fuel jets and went for a drive. Got room for a WOT spray in 1st and 2nd, ( lambda ~ .9) and a 2nd-3rd gear pull which read as ~.85 lambda. This is much improved, but still has reverse results. The car pulls very hard now. I wonder about .016 jets next...... tomorrow.

 

Last night I set the Maximizer 3 back to using both stages. The first stage is set to 100-shot at WOT in first gear, and the second stage is programmed to deliver a 150-shot at WOT. Both stages are throttle-controlled. I did remove all Tuner-Tape from the MAF.

The car's launch is much improved, going into spray at 50% throttle and easily controlled - up to 4600 RPM where the DRs break loose and the car shifts in 2nd gear. WOT through 2nd and 3rd gear very quickly took me to over 100MPH - but the displayed Lambda was 1.03 - not desirable for racing.... This is still with the 26N-17F jets installed.

Back to looking for an answer on the Lambda reading while spraying with C85... I must be missing something, but I don't know what. Every other fuel I have sprayed shows a lower Lambda when larger fuel jets are used - but C85 does the opposite. Hmmm... maybe I should try pump E85 instead???

 

Make sure not to blow the welds on your intake.

 

Ha!!! That's funny.... F & F 1, right? I'm still waiting for blue flames to come out of my tailpipe..


I thought some more about the too-high Lambda while spraying, and it's gotta be something dropping the pressure while pulling 40% more E85 than gas fuel. I set up a test tonight, where I would connect the fuel solenoid to a NX shark nozzle using the largest jet I have - a .062 -and spray just the fuel into a bucket for 10 seconds, then measure how much I collect with a graduated cylinder. Did just that with the engine idling, and saw a 4psi drop on the Autometer gauge on top the Aeromotive regulator, so I bumped that reading up to 48psi which dropped to about 46psi while spraying through the test nozzle.





I poured the E85 in the bucket into my glass tube and there was 343 ml collected in ten seconds. According to other sources, to make 400HWP with E85 takes 621ml in ten seconds, so this was about 1/2 that.



I left the FP at 48psi and went for a drive, cocked and locked. Same thing - pull hard thru 2nd gear with a full 150-shot and the lambda is 1.03 . Car pulls very hard, but still too lean. Hmmmm...

I saw one thing about the Aeromotive 340 fuel pump that made me wonder - the exit port on the submerged pump is OEM-sized and has a check valve in it as well. If there's a restriction, that's where it would be. It looked too small - even used the OEM hose to the exit port. EVERYTHING else in the fuel circuit is at least 3/8" ID - 'cause I installed all of it..

Maybe an external Aeromotive monster pump instead? A1000? I'll look at their web site...

 

I am currently using the a1000 on my truck

You could always just run a standalone fuel system. Like stated before didn't think that pump was up to the task, use could also go dual walbro

 

OK, OK - you were right - the fuel pump can't supply enough E85 to go much over 400WHP. I need a much healthier pump for the pushin'... oh, that's a different project.

I've been going over the Aeromotive fuel pump lineup and see several good ones. The A1000 seems to get the most press, and it can mount inside the tank. Thing is, without a lot of constant flow, it could dry out and burn up - unless cutting back the voltage for normal driving takes off some of the load. ??

There are some Stealth pumps from Aeromotive, but they look like installation might be a pain. You know the Maxima fuel tank - what would go in there? Or can I install the A1000 external to the tank and below the bottom of the tank? Is it really self-priming? I could run the A1000 on lower voltage and switch to 13.5 volts when the nitrous system is enabled.

I'll keep looking - I don't want to sump the tank and there should be a better way to suck out more fuel and deliver it up front.

 

My pump is mounted externally under the bed, people that plan to do a decent amount of street driving run a high/low voltage switch

 

Is your tank sumped? Or a fuel cell?

 

8gal fuel cell with a sump

 

I'm going to make one more attempt at an in-tank pump. I found that Walbro has an modified E85 version of the 400lph pump now with 416 lph flow. It uses a special electrical connector and it's built for E85. You will need the optional install kit as well.




http://www.full-race.com/store/fuel-...fuel-pump.html

 

^^ funny, I was actually about to get this Walbro 450lph for e85 tomorrow.

http://www.extremepsi.com/store/prod...at=1851&page=2

I've noticed some pressure loss on our e85 hatch with the 255lph, so I'm thinking the pump is getting weak, might as well get something beefier.

 

Great minds.... and all that, right? I ordered that exact pump - and the install kit, with the special E85 electrical connector - last night. It's going to take some more surgery on the fuel pump carrier to get it in the tank, but that's just work. My Aeromotive 340lph is definitely running out of capacity at about the 425WHP point - possibly due to that small exit on the pump, so we shall see what happens. I should have parts in hand by Tuesday.

If this one is a bust before 500WHP, I'm going to install a bigger Aeromotive pump.

 

Just wondering has anyone had any problems with e85 not being e85 and more like e70 sometimes

 

When I started down that path, About two months ago I went around to the three local stations that sell E85 and bought some from the pump, then test it with my magic Summitt Racing $15 E85 tester. Guess what? E74-E75. I've been doing a lot of internet searches and found a mention of the THREE different blends commonly trucked to stations. Those were E70, E75, and E85. Appears that the E70 is the winter blend, the E75 is mid-season (spring-fall?) and E85 is the summer blend. Either gas or ethanol can be added to the tanks to adjust. I haven't checked lately, but I should, because using VP C85 is expensive ($17 /gallon) but it's consistent and I have 0 experience with racing on nitrous and E85.

 

So if we're only getting e70/75 for 3/4ths of the year are there really any gains in octane at that point.

I've been thinking about the switch but e85 really isn't that cheap here and it would suck to make an aggressive tune on e85 then two months blow your motor cause now it's e70 or something