grey99max

iTrader: (12)

I went to KCIR today, with a friend and his video camera - just in case. The first run was just with a 75-shot, which turned out to be the best pass. The second run was mostly the same except other lane, and tapping the 2nd stage 100-shot a bit. That turned out to be a 12.355 / 109.71 MPH. The third pass I set the first stage to a 100-shot as well. Turned out to be a bad idea - I dropped a cylinder in second gear, but still rolled through the traps with a 12.846 ET and 1.796 60' to show for it. My friend got videos of the first two runs - I'll post them if they're decent.

Bummer. Oh well, this was the last run of the season around here. My friend noticed that the youngster in the launch crew was throwing out a small bucket of water into each water box after each run - and I was wondering why I couldn't get a good burnout on the second run! There was water trailed clear up to the launch line - until one of the experienced guys noticed and cleaned it up. My third run had a super burnout and launch again - even though I was sleeping at the tree - but I broke the motor a bit. Sounds like a valve, anyway - not like I haven't done that before.

Link to the slips:


This day was planned to test my engine mount brace and the new Level10 valve body. I think both items proved out well. The engine does not rock in the mounts ( better 60') and the tranny shifts very well now.

Front engine mount brace: (thick piece of aluminum with two holes)


Valve body view: (tons of bolts - be careful if you swap one)



Looks like it's time for a Greddy E U now. Oh yeah, the DA details at 13:54 today were 66.0*F, 42% humidity, 29.72in pressure. KCIR is 798 ft, DA was 1789 ft, corrected ET/MPH was calculated at 11.427 and 111 MPH.

For what it's worth - and it was a beautiful day.

EDIT - my cyroed axles... passenger-side view - right above the Jbar on that side.

MaximaSpd85

iTrader: (14)

wow, nice times. imagine if you had pulled 60fts like the 2nd and 3rd runs. also, i might give that brace a shot, it looks a lot better than my tow strap method, lol.

maxina97

iTrader: (12)

Ended the season on a good note, glad to see the tranny upgrade held up well! Great numbers!

accordingtou

iTrader: (41)

WOW. Congratz.

Conrad283

iTrader: (2)

I take it that your engine is up and running ... Very nicely!

GREAT times .... kudos.

grey99max

iTrader: (12)

Nope - that was the old engine I had on the track today.....

Conrad283

iTrader: (2)

Oh snap ... What's the word on the new engine?

And you need to update your sig

505max94se

iTrader: (15)

Congrats!

t6378tp

iTrader: (69)

wow, hard to believe the old VB had that much slop in it

congratz

sparks03max

iTrader: (7)

Those times are kinda strange.

First run is a 1.9 '60 and you pull a 7.6 in the 1/8th, then pull a 1.7 '60 and run a 8.0 in the 1/8th? Also your first run puts you at 10.135 at 1000' and 2nd run is 10.395 at the same point, but you end up almost a second faster, gaining another .5 second before the 1/4 is up!? Just doesn't make sense. I'm not saying you are lying, I am just trying to make sense of it.

It takes you 1.4 seconds to go the last 320 feet on the first run, but 2.0 seconds to go the last 320 feet on the 2nd run, yet the traps are almost identical. The average MPH needed to travel 320 feet in 1.4 seconds (10.135 1000' to 11.564 1320') would be 155 mph, when you are trapping 109... That's just focusing on one area, the .4 faster 1/8th mile with a .2 slower '60 makes no sense as well. Just in general a 1.9 '60 on a 75 shot pulling 109 traps should land you in the mid 12s.

MaximaSpd85

iTrader: (14)

lol, damn , i had to whip out the calculator for that one, i get the same thing... how weird

streetzlegend

iTrader: (8)

Great time Harold im hoping to join the 11sec club after school ends. i gotta put in my shiftkit already, its been sitting in my room.

Can you describe a little bit how the Level 10 VB feels in comparison to the DR Mod? are you using both?

Well, he did mentioned he was tapping the second stage after the 1st pass. Perhaps the 2nd stage or the added nitrous was causing issues, misfire, lean, etc.. Which means the car was running strongest at the 75shot alone. Maybe?

sparks03max

iTrader: (7)

trap speeds would likely reflect such, and it wouldn't explain the nearly impossible ETs on that run. Could be some kind of timing flaw I dunno.

grey99max

iTrader: (12)

The Level10 VB gives a much quicker and firmer shift through all gears - and yes, I still have the DR mod (resistor disconnected). High pressure is good. The shifts now have no delay, like the stock VB did. (this is a 2001 tranny) I did have the shift point set at 6300, and when I raised the N2O levels on the 2nd and third runs, I began hitting the rev limiters again. I found myself letting off the throttle and the 1-2 shift - again. On the third pass, I set it to 6100, but only got through first gear without shifting issues. Launching on 100-shot is not a good idea - I had tire spin in first which slowed me down.

I remember that the first pass was sweet - set for a 75-shot - and I launched and just kept my foot in the throttle all the way. Since I was there to test combinations, on the second run I got into the second stage in between gears and let off close to the shifts, but I went through the traps with 175-shot - and the trap was another 109. Something didn't feel right in the traps. The third pass was fatal. I apparently burned an exhaust valve from the noise, and melted #2 ground strap, so I think the engine went lean on this run - and perhaps on the second run. I wasn't data logging - the PLX takes too long to boot, so when you sit for 1/2 hour then have to start up and stage, there isn't time to start the logging feature.

The track was initially prepped very well - all the way down - and there were a lot of monster cars running - 7 sec cars - so traction was very good overall, except for the burnout area, which began to look like a swamp for a while.

It was an interesting day - and yes, it's time for a Greddy EU. I maybe should have pulled timing for the larger shots, and I need the rev limit extended so I don't have to buy taller slicks - again.

grey99max

iTrader: (12)

I appreciate your viewpoint - but don't call me a liar. You are confusing a clean no-lift pass with two more experimental runs that had some problems. I have the slips - which you can see - and you can make what you want from the numbers.

Notice the other car in the first run? A 10.352 ET and 120.67 trap MPH? As opposed to Jime's 10.8 ET and 125 MPH?

The point of the outing was that I'm satisfied that the VB is OK for the new engine, so I'll move ahead on new engine, built tranny, and larger fuel rails and dual fuel pumps....

sparks03max

iTrader: (7)

I said I wasn't calling you a liar. Just pointing out the numbers on the slip. It just doesn't add up.

User 12822

iTrader: (1)

11.5 with just a 75 shot is NOT bad at all sir! With they way you are going it sounds like you might beat the Jim's record. You thinking of doing a 150 shot in the future? If you can pull 11.5s with 75 I'd imagine mid to low 10s with a 150.

Scottwax

iTrader: (8)

Trap speeds seem low for your ETs, are you maybe leaning out on top end?

grey99max

iTrader: (12)

Well, at Heartland Park in Topeka on Oct. 1, I registered a 12.67 ET/ 112.14 MPH and a 12.593 ET / 114.54 MPH. Of course, I was in and out of spray while the transmission decided to shift, so I lost a lot of ET-time during those periods. The trap MPH was best when I was in third gear and sprayed both stages into the traps - when I hit fourth gear I quit accelerating. I've had more than one trap of 114.5 MPH when that happened, but I always had to cut spray while the 1-2 and 2-3 shifts finally completed. A/F in the traps on the first run was 12.1:1 - as usual. The others I didn't monitor.

A few rounds of bad-shift days convinced me to get my valve body rebuilt by Level10 - which worked out pretty well.

Juiced SE-R

Very nice times Harold!!

2002AltimateV6

iTrader: (7)

Very nice! Now that's moving!

grey99max

iTrader: (12)

Hi, Juiced. Finally......

krazy6

iTrader: (5)

I agree something doesn't make sense at all. The timing equipment must be way off. I saw the title and went what the hell, 11.5 @ 109? I gotta see this.

Badass time if it's legit, but sadly I don't think it is at all.

Can't wait to see your new set up!

Juiced SE-R

When is the new motor going in?

grey99max

iTrader: (12)

Just sometime this winter - no real hurry, now that tracks are closed, and I need to get the automatic fully built - and that ain't cheap.

sparks03max

iTrader: (7)

The tracks aren't closed a little further south!

edit: isn't Jime still using stock autos? It seems a better investment to replace a cheap auto every once in a while than fully build one then it break anyway lol.

secondtonone317

iTrader: (12)

congrats......makes us boost guys think twice

grey99max

iTrader: (12)

I'm not Jime, and neither is anybody else.

You can't buy a low-mileage 95-99 VLSD tranny from car-part.com anymore, so I've been using the 2001 Infiniti VLSD - which shifts really slow. That's why I've been having problems bouncing off the rev limiter - hence the modified valve body.

The stock internals won't last long with yesterday's ~500 crank HP, so I think that cyroing the parts and building a tranny from the ground up might last a whole season. I broke one 2001 tranny on it's first track visit. Boom.

Although, a 6-spd HLSD conversion might just be worth the work - if I install a PAR gearset. The Cosworth-component built 3.5 will make a bunch more power.

ajcool2

iTrader: (43)

Ive only put 1060 miles on our auto 3.5 and its slipping already. Luckily trannys are $90 here.

grey99max

iTrader: (12)

$90! I'll take a dozen, make the order for low mileage VLSDs.....

The 3.5 uses a similar 4-spd tranny up through the 2004 Maxima - I always wondered if that would fit into a 4th-gen Maxima... there's one in my wife's 2004. Wonder if she'd miss it?

sparks03max

iTrader: (7)

built stroker + 250 shot nitrous? The 6 speed is nice for handling power but not so much for consistency at the track.

grey99max

iTrader: (12)

The trouble with raising the power has been getting all the other components to be able to handle the power. I've been on that loop for a while now. Fuel flow, nitrous flow, transmission, axles, brakes, slicks, plugs, ignition voltage, RPM limit, etc, etc, etc.... and keeping the A/C, PS, sound system and sub, spare tire and jack because I want to.

The new engine will require most of the above items to be beefed up again. Sigh. At least it still looks mostly stock on the outside and inside. No gutted car for me.

sparks03max

iTrader: (7)

I think when I start spraying again it'll be a direct port setup with a separate fuel cell and pump so I don't run into stock fueling woes.

krazy6

iTrader: (5)

Great idea! Best way to fuel your nitrous setup!

grey99max

iTrader: (12)

That's my plan for the built engine. Two stages of direct-port is 12 nozzles - but NX has a dually Shark nozzle that is actually two nozzles in one. Cuts down the nozzles in the airstream, but still 24 hoses. Choice of manifold is still up for grabs...

Fuel cell? not for me... Dual Walbros in the tank and a 3/8" stainless line for feed and a 7/16" line for return should do it.

sparks03max

iTrader: (7)

Yeah for me the fuel cell is purely for convenience. You already have your fueling modified, but I won't have to modify the stock fuel setup and can run 104 unleaded in the fuel cell for added protection. I'd also like to invest in either a proper full-bottle heater or nano system and give water/meth a try along with the nitrous.

When I was spraying previously with a baseline dynotune bottle heater, the bottle was going below 750psi before the end of the 1/4 mile and losing power/going rich b/c the nitrous begins getting gassy in the lines when the pressure gets that low. A full heater or nano system would prevent that from happening and give me full power down the whole track.

Ahh nitrous! Such fun.

grey99max

iTrader: (12)

That's true - with your FPR in the tank, it's hard to play with fuel pressure.

I do have a small portable AC generator I take along, so I can use the Moroso 120 volt tank heaters to warm the bottles at the track. Keep them wrapped in a snuggy blankie and they stay warm for at least one hour - and you don't run down your battery. Dual tanks also prevent pressure drop (less that 50 lbs) during a run, even with big shots. Then the -6AN NX line from the trunk to the front keeps the pressure the same at both ends during a pass.

This combination has proved to be cheaper and more reliable and better performing than anything else I have used.

sparks03max

iTrader: (7)

Sounds nice for sure. I usually have an AC generator for my laptop to tune with the UTEC, so I suppose I could use it dual purpose for a bigger bottle heater to conserve car batteries.

Of course, a few hundred dollars spent on a nano system can keep the pressure up without worries of heat. You just have another bottle to fill along with the nitrous. But the nano system only works on 1 bottle at a time, and buying a setup for each bottle would be quite costly, so not really an option for you.

Nealoc187

iTrader: (23)

What's going on here? those slips make absolutely no sense unless I missed some key point in my reading of your post.

Your 60' was mediocre, your traps mediocre at best at both the 1/8 and 1/4 (for the ET), yet you ran an 11.56? For that 11.56 to be possible with that trap speed you'd need to have an incredible 60' (which you did not). Conversely, for that 11.56 to be possible with that 60' you'd need to have a HUGE top end charge or charge through the middle of the track, which obviously did not happen given the traps at both the 1/8 and 1/4 mile.

Next run you have a pretty good 60', far far far better than the previous one, a way higher trap speed at the 1/8, the same trap speed at the 1/4,, yet you're almost a full second slower... Something is not right. The numbers do not add up.

sparks03max

iTrader: (7)

Yeah math-wise it does not add up. Likely a timing problem.