Shaking her down...
09-19-2004, 03:11 PM
#1
Shaking her down...
I have sort of mixed feelings about my track visit today, first visit with the turbo set up. The good news is I was able to get the 60' times down to 1.745 and 1.713 on my two good runs. Using the M&H slicks at 11.5psi dumping at 6k and just short of power shifting 2nd, boost controller set at 14.5psi, but with no juice! However on the big end she is sufering, traps were consistant 108mph range and ets were 12.5sec. I really think the timing on the JWT ECU is too conservative, my EGTs were in hitting 920c but AFRs were steady at 11.1, this points to too little timing advance. Having a 2.5" flex section before my 3" exhaust is choking me I'm sure. Injector duty cycles were 96% peak and TT-MAFv was 4.69 with 15.3 psi spike, so I cant crank up the boost anymore until I switch to 740cc injectors. Excuses excuses, fast but not fast enough for me, Ive got more work to do 
09-19-2004, 06:18 PM
#4
Senior Member
Join Date: Apr 2003
Posts: 181
Not to say your time is bad cause 12's in anything is bada$$, but Requin6 ran a 12.9 at 111 i believe with s/c at 11psi and still had stock cat-back. So once you get all the details sorted out you should be in the 11's for sure, right? Also what kind build up did you do to the internals in there? NOw you need to go show some ZO6's whats up!!!
09-19-2004, 06:36 PM
#6
Supporting Maxima.org Member
Join Date: Jan 2002
Posts: 3,371
12.5 @ 108 not to bad but i think your right about the traps i expected to see somthing more like this
12.5 @ 115
and with spray 11.5 @ 125
you need to get to a dyno because those traps point to a some what lower than expected whp maybe 350whp but at 15psi that seems quite abit low but timing could have alot to do with that
i guess you cant really put the stock ecu backin to see how it would run
12.5 @ 115
and with spray 11.5 @ 125
you need to get to a dyno because those traps point to a some what lower than expected whp maybe 350whp but at 15psi that seems quite abit low but timing could have alot to do with that
i guess you cant really put the stock ecu backin to see how it would run
09-19-2004, 06:39 PM
#7
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Join Date: Jan 2002
Posts: 3,371
Originally Posted by VQ30DES
Not to say your time is bad cause 12's in anything is bada$$, but Requin6 ran a 12.9 at 111 i believe with s/c at 11psi and still had stock cat-back. So once you get all the details sorted out you should be in the 11's for sure, right? Also what kind build up did you do to the internals in there? NOw you need to go show some ZO6's whats up!!!
um Z06 vettes on average trap @ 115 to 116 so 108mph aint ganna cut it
09-19-2004, 10:03 PM
#9
The emanage will not tell you how much timing is being pulled. It will only show the amount of timing that you are pulling out of it using the emanage. MAtt I do agree with subs. I was thinking on my way home that maybe you should dyno that car at SRT to see what the car really is doing right now.
09-20-2004, 05:56 AM
#11
Originally Posted by Redmax
The emanage will not tell you how much timing is being pulled. It will only show the amount of timing that you are pulling out of it using the emanage. MAtt I do agree with subs. I was thinking on my way home that maybe you should dyno that car at SRT to see what the car really is doing right now.
09-20-2004, 07:44 AM
#13
What about hooking up a ODB reader and seeing what timing is? It wont show you what emanage or J&S are doing to it, but it will show what the ECU is advancing, yes?
Glad you're getting to play some, it'll be awesome once you get the bugs worked out. We should have a track day somewhere between us here in the future - I'd love to check your setup out.
Glad you're getting to play some, it'll be awesome once you get the bugs worked out. We should have a track day somewhere between us here in the future - I'd love to check your setup out.
09-20-2004, 08:57 AM
#14
Originally Posted by hlh0501
What about hooking up a ODB reader and seeing what timing is? It wont show you what emanage or J&S are doing to it, but it will show what the ECU is advancing, yes?
Glad you're getting to play some, it'll be awesome once you get the bugs worked out. We should have a track day somewhere between us here in the future - I'd love to check your setup out.
Glad you're getting to play some, it'll be awesome once you get the bugs worked out. We should have a track day somewhere between us here in the future - I'd love to check your setup out.
We need trailers.
09-20-2004, 09:36 AM
#15
Originally Posted by MardiGrasMax
Yep I was thinkin the same thing, A buddy of mine has my cable I just need to get it back.
We need trailers.
We need trailers.
09-20-2004, 02:12 PM
#17
740cc Injectors are on their way, whoot!
These should be good for 600whp, the current ones were maxed out at 418whp, rough calculations based on dutycycle, but still in the ball park.
These should be good for 600whp, the current ones were maxed out at 418whp, rough calculations based on dutycycle, but still in the ball park.
09-20-2004, 02:21 PM
#18
Originally Posted by MardiGrasMax
740cc Injectors are on their way, whoot!
These should be good for 600whp, the current ones were maxed out at 418whp, rough calculations based on dutycycle, but still in the ball park.
These should be good for 600whp, the current ones were maxed out at 418whp, rough calculations based on dutycycle, but still in the ball park.
GREAT runs.
And DAMN 740cc injectors... wow.. what kind are they? 4th gen or 5th gen fuel rail?
09-20-2004, 02:55 PM
#20
Good to see you got it out to the track.
I'm curious about your traps though since you mention that the injectors top out at 418hp. If you were indeed putting down 418whp or even in that ballpark, you would have been trapping much higher than 108... what gives?
I'm curious about your traps though since you mention that the injectors top out at 418hp. If you were indeed putting down 418whp or even in that ballpark, you would have been trapping much higher than 108... what gives?
09-20-2004, 03:53 PM
#21
Could the Redline Shock Proof Heavy gear oil be sucking allot of power?
I was running lower air pressure than normal in the slicks, that will suck mph.
Compared to my old SC set up, with out running nitrous, the ET for boost only is close, MPH was ~112 for the SC set up. The 2.5" flex section is choking the exhaust. Bewen all this I'd say 4mph sounds about right.
I was running lower air pressure than normal in the slicks, that will suck mph.
Compared to my old SC set up, with out running nitrous, the ET for boost only is close, MPH was ~112 for the SC set up. The 2.5" flex section is choking the exhaust. Bewen all this I'd say 4mph sounds about right.
09-21-2004, 10:23 PM
#27
This is sort-of OT - but you said: "Using the M&H slicks at 11.5psi dumping at 6k"
You mean you reved to 6k from a stop and dumped the clutch on takeoff!?
If so - This tells me good things about the Clutchnet clutch!
My ACT blew when running to only 3500 and dumping it.
You mean you reved to 6k from a stop and dumped the clutch on takeoff!?
If so - This tells me good things about the Clutchnet clutch!
My ACT blew when running to only 3500 and dumping it.
09-22-2004, 02:49 AM
#28
Originally Posted by MardiGrasMax
740cc Injectors are on their way, whoot!
These should be good for 600whp, the current ones were maxed out at 418whp, rough calculations based on dutycycle, but still in the ball park.
These should be good for 600whp, the current ones were maxed out at 418whp, rough calculations based on dutycycle, but still in the ball park.
09-22-2004, 05:45 AM
#30
Originally Posted by hlh0501
Mardigras, do you have any emanage logs I can look at to see your spool?
Are you having to respool after each shift?
Are you having to respool after each shift?
09-22-2004, 05:48 AM
#31
Originally Posted by MardiGrasMax
Where can I get a good deal on a 3" flex section?
not sure on the length needed for the Maxima though
09-22-2004, 05:53 AM
#32
Originally Posted by iansw
This is sort-of OT - but you said: "Using the M&H slicks at 11.5psi dumping at 6k"
You mean you reved to 6k from a stop and dumped the clutch on takeoff!?
If so - This tells me good things about the Clutchnet clutch!
My ACT blew when running to only 3500 and dumping it.
You mean you reved to 6k from a stop and dumped the clutch on takeoff!?
If so - This tells me good things about the Clutchnet clutch!
My ACT blew when running to only 3500 and dumping it.
The first run of the day is allways bad becase the clutch and tires are not warm yet. I get clutch slip in the burn out box, and no traction when I launch. The second run was AWESOME. I was pushed into my seat and my head felt very very heavy when she hooked and pulled a 1.7 60'. AWESOME!
09-22-2004, 09:14 AM
#34
Originally Posted by IceY2K1
Can we get SOMEONE local to Mardi to start recording these runs PLEEEEEEEASE.
I'd love to have seen the crowd reaction when you ran that 11.9 and soon to be low 11s.
I'd love to have seen the crowd reaction when you ran that 11.9 and soon to be low 11s.
if i remember correctly his 11.91 is on video... or perhaps im thinking of another one of his runs. i know i've seen him run on video before.
09-22-2004, 11:38 AM
#36
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Join Date: Mar 2002
Location: Fort Collins, Colorado
Posts: 1,035
Nice times ... not good enough huh? Much better than mine.. I was running 13s at 108 but on streets and no Quaife ... but I visit the track once a year! I think you are right about the timing being off, but I guess JWT has to be conservative. too bad you can't advance it yourself 
740cc injectors? Holy cow! Can't you increase fuel pressure for now? Are you running Cartech or other FMU? Yes, get that flex replaced! We changed the design on the pipe to a 3" section a while back you must have an older kit.
740cc injectors? Holy cow! Can't you increase fuel pressure for now? Are you running Cartech or other FMU? Yes, get that flex replaced! We changed the design on the pipe to a 3" section a while back you must have an older kit.
Originally Posted by MardiGrasMax
I have sort of mixed feelings about my track visit today, first visit with the turbo set up. The good news is I was able to get the 60' times down to 1.745 and 1.713 on my two good runs. Using the M&H slicks at 11.5psi dumping at 6k and just short of power shifting 2nd, boost controller set at 14.5psi, but with no juice! However on the big end she is sufering, traps were consistant 108mph range and ets were 12.5sec. I really think the timing on the JWT ECU is too conservative, my EGTs were in hitting 920c but AFRs were steady at 11.1, this points to too little timing advance. Having a 2.5" flex section before my 3" exhaust is choking me I'm sure. Injector duty cycles were 96% peak and TT-MAFv was 4.69 with 15.3 psi spike, so I cant crank up the boost anymore until I switch to 740cc injectors. Excuses excuses, fast but not fast enough for me, Ive got more work to do
09-22-2004, 09:46 PM
#40
Originally Posted by IceY2K1
Is there such a thing as an ignition booster for coil-on-plug cars?
A MSD DIS setup would work with some fabricating...
LS1 coils are good to high power (guys in 9s are on stock coils and truck coils) ... fabbing these to the VQ wouldnt be too hard - and they can be had for under 200$
There would definately be horsepower to be gained if I could go back to say a .035gap from my 21 now!