fastest Q45 N/A g50. 1/4mile results! !

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N/A Q45
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Car #32-

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Last edited by N/A Q45 on Sun Apr 21, 2013 3:49 pm, edited 2 times in total.


N/A Q45
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https://www.youtube.com/watch?v=o7Y4uue ... ata_player

https://www.youtube.com/watch?v=BEFZylA ... ata_player

Had traction problems and I only had a 10, 000ohm resistor and I needed a 15, 000ohm one to get it to run a little leaner up top.

Going to try some drag radials next time and the 15, 000ohm resistor hope to knock around .300 off the 1/4, they were saying the tires were still spinning as I went into 2nd..:(

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asoomal
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Lol using resistors to tune an engine, why not just get a used safc?

N/A Q45
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asoomal wrote:Lol using resistors to tune an engine, why not just get a used safc?
Well I wouldn't buy one used. And in time I will buy one more then likely, the resistors cost a few bucks and can get the same results I'm going after for less cost :bigthumb:

Zer0_KooL
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well well not bad :dblthumb:

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Turbon8er
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N/A Q45 wrote:Car #32-

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1/4 mi ------ 14.0143

i'm probably the only one who finds this funny, but back in the days of beepers, pagers, whatev, my gf used to "beep" me 143 for "i love you", and it stuck. so now when i see that numeric combo it's what i think. your car ran the 14.ohiloveyou 1/4 mile at 100mph. that's kinda sweet. lol

N/A Q45
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Lmao! Well I lets just say I hope to run into the mid 13.ohiloveyou's next time! Haha and I dont think the other cars were feeleing the love, tons of people were asking about it and couldn't believe the inside of of the motor was stock. Hell I even still have stock headers. I'd have say that the 4" Y-pipe I made for it the day before had alot to do with the times, but now I've put a 3" muffler system after the 4" Y-pipe to quiet it down until race days when I can take it off and as anyone could guess the lowed went up to the point I have to pedal it until 4000rpm.... the car would light the tires before from a stop but not like this! I'll post a link to that video in a min. But I'm going to get some 275s D-Rs for the rear and design a valve inside the 4" Y-pipe so I can have all this lowed end without hurting my topend.

N/A Q45
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https://www.youtube.com/watch?v=2wF5OO- ... ata_player


235s just can't hold it..

Rather excited to see what it will run with 275s, variable exhaust valve and I add the suspension stops in the rear.
Last edited by N/A Q45 on Tue Apr 23, 2013 4:38 am, edited 1 time in total.

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elwesso
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Can you summarize again for everyone what exactly you did?

N/A Q45
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I would be more then glad too, just one problem. Where the hell is my old thread? Lol.

You all remember the one I had called N/A Q45 1/4mile in 13.5sec

That was from a gps but there was more then enough people on there who didn't believe that I could even get close to a 14.2 lmao and I remember someone was saying they would make a full public apology if I could get to 14.2..

I can't find my old thread soo did someone delete it?

I did what I said I would. Want the same respect back as in others do what they said they would. That's the whole point of this. And you don't need a turbo, N/A hauls a**! :dblthumb:

N/A Q45
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I'll do something funny, I will list everything that is stock until I get a answer from my above post.

-the engine internals.
-drive system gearing, stall speed and weight of the drive system (not including rims and tires).
-Intake plenum from the runners down.
-exhaust headers (shape and size).
-fuel injectors.
-ecu.
-brakes.
-bumpers, undercarriage.
And that's all I can think of right now that is still completely stock.

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Just found this from another thread. Is this guy f*** kidding! $8k in mods and all he got was a 14.2.... wow. I like my $500 cost in extras much more-

congrats on getting out there and having some fun......Those are not all that bad of times for a stock regularly maintained Q. My 95 with about 125K went 15.8@88mph or so and it had always been dealer maintained, but not NICO maintained. NICO standards are much higher than dealer standards. I went from a slow 15.8 to 14.25 after about a very serious $8,000+ in mods over a 1 year period. I was/still am a mad man with dream of breaking into the 13sec barrier which is not possible in the Q if you are going to use it as a practical daily driver and not suffer too much longevity.

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mattd1979
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Is this the thread you had trouble finding?
102mm-throttle-body-t573395.html

N/A Q45
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mattd1979 wrote:Is this the thread you had trouble finding?
102mm-throttle-body-t573395.html

No it isn't but thanks. It was called something like N/A Q45 1/4mile 13.5sec.

It was a huge thread with well over 2000 views I believe. After I got kicked off for a bit and was allowed back on i haven't been able to find it-

I know wes and others remember it very well. Just where did it go?- why would someone delete it? Unless maybe they didn't want others to actually see what I was saying and talking about.

It was a good rather heated thread but as I have just show with my #s makes alot of people look bad that were soo sure I was wrong.

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elwesso
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What was the ambient temp, just curious? You have to remember that when Rob ran those numbers it was in the middle of the summer with high humidity in Miami, so it was probably pushing 90°F (35-40°C) at least. If you were more along the 5-10°C range when you ran, that means air is about 10% more dense, assuming the same elevation and neglecting humidity effects. Also, Rob spent a lot of money because he did NONE of the work himself, and included rental car prices in those figures, so it's easy to say one could very easily achieve the same results much cheaper doing the same mods.

I removed the thread, not because of the info contained in there but because of all the irrelevant arguing.. It's not coming back, end of story.

Allow me to summarize what you've done to achieve this 1/4 mile time (please add as necessary if I missed something):

1. Changed to 270cc injectors and increased fuel pressure
2. Advanced timing on the CAS
3. Bigger TB
4. Cold Air Intake
5. Glasspacks

N/A Q45
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#1 &#5 nope

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paranoidjack
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Nice job man, sounds beastly.

N/A Q45
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paranoidjack wrote:Nice job man, sounds beastly.

Thanks it is! Lol. Will be even more after I put a variable valve in the Y-Pipe and

Nitto 726-40206 - Nitto NT555R Extreme Drag Radial Details

275-Series Tire WidthTread Depth:6/32''Tire Overall Diameter:27.76''Tire Section Width:11.10''Wheel Diameter:15''Spec Wheel Width:7.5-8.0-9.5''Max Load @ Max Press:2150 lbs @ 44 psiRevs Per Mile:748Note: Bold type indicates measuring wheel width.

These^ :bigthumb: then peoples heads wil really be turning :rotfl

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Turbon8er
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take pictures of your exhaust setup.. i'm curious to see the 4" Y-pipe your talking about.

if you want an electronic (or manual) exhaust valve, you can get one from Summit or Jegs. I was looking at doing a full exhaust for quiet daily, and electronic valve(s) for dumping out a hot rod sound (no performance gain there). From my experience, dumping exhaust shortly after the headers (on n/a) kills power significantly. N/a motors need backpressure to make torque, but you probably know that.

just to give you an idea of what i'm talking about... except i'll probably do all my own piping. undecided right now.

http://www.summitracing.com/parts/pye-xvx10/overview/

http://www.summitracing.com/parts/sum-6 ... /overview/

I was just thinking... it would be kinda cool, once you get a working rpm window switch, to connect the trigger to the electronic cut-out valves. You could cruise around in sleeper mode, then punch it and have them open at like 4500 or something. You'll still probably incur power loss, but it'd be kinda trick, lol.

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Turbon8er wrote:take pictures of your exhaust setup.. i'm curious to see the 4" Y-pipe your talking about.

if you want an electronic (or manual) exhaust valve, you can get one from Summit or Jegs. I was looking at doing a full exhaust for quiet daily, and electronic valve(s) for dumping out a hot rod sound (no performance gain there). From my experience, dumping exhaust shortly after the headers (on n/a) kills power significantly. N/a motors need backpressure to make torque, but you probably know that.

just to give you an idea of what i'm talking about... except i'll probably do all my own piping. undecided right now.

http://www.summitracing.com/parts/pye-xvx10/overview/

http://www.summitracing.com/parts/sum-6 ... /overview/

I was just thinking... it would be kinda cool, once you get a working rpm window switch, to connect the trigger to the electronic cut-out valves. You could cruise around in sleeper mode, then punch it and have them open at like 4500 or something. You'll still probably incur power loss, but it'd be kinda trick, lol.

Image

2.5"OD into 4"OD
After testing many different setups (true duals 2"/2.5", 45*->30* x-pipe 2.5", 45*-> 5* x-pipe 2.5"..ect )this 45*2.5-> 4" was night and day in mid to topend power. And if I can get the variable exhaust valve to work this thing will be nuts all over, I don't even have the car setup for max power for the street and it will still try to come around at 95kph when you try to pass someone lol. These dam 235 michelin pilots just can't hold it. I can make and sell you or anyone the same exhaust I have when it is done with the vvE if anyone is interested after I do some more testing once I get it installed.

And as for having cut outs, I am actually having a blast because the car is so quiet people don't expect it to run right by them. There was some kid today in probably his parents brand new Cadillac and he kept flooring it behind me like he was saying his car was faster, lol so put the good ole gas pedal down, tried to keep it in a staright line and well he kinda just stayed back after that and didn't do anymore of his flooring it b.s right behind me ha.

N/A Q45
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3 things gave me the most gains, 4"intake, exhaust and 26* base timing.

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mattd1979
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What's the current mileage?

N/A Q45
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Cams off 22mpg cams on somewhere around 25mpg but not 100%

Here's a picture of one of the x-pipes I made and tested 45*-> 30*

Image

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mattd1979
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I meant how many miles are on the car or kilometers? Not bad though for the mpg.

N/A Q45
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s*** sorry my bad. It has just over 220, 000km on it, so about 137, 000miles

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Turbon8er
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i can see why the x-pipe didn't yield a power gain, the angle is toooo sharp and the exhaust gas velocity is going to be destroyed by the direct intersection. The gas pressures are fighting each other at that point, and you'll probably lose power if anything.

If you'd like some great information on the subject, i highly suggest the book "Maximum Boost", by Corky Bell. It's mainly about turbocharging, but he goes into some great explanations and comparisons between n/a and Forced induction, and fantastic visual examples to better understand how such little details create serious results. It's only like $35 at Barnes n noble, and my favorite Non-fiction, lol.

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Turbon8er wrote:i can see why the x-pipe didn't yield a power gain, the angle is toooo sharp and the exhaust gas velocity is going to be destroyed by the direct intersection. The gas pressures are fighting each other at that point, and you'll probably lose power if anything.

If you'd like some great information on the subject, i highly suggest the book "Maximum Boost", by Corky Bell. It's mainly about turbocharging, but he goes into some great explanations and comparisons between n/a and Forced induction, and fantastic visual examples to better understand how such little details create serious results. It's only like $35 at Barnes n noble, and my favorite Non-fiction, lol.

It is know that you need a good merge angle (not too much or enough and you lose power or it shifts where the power is) I went with 45* in as alot of racing collectors from headers I have look up and researched are around 45*. It seems to be the out * that make a big difference in where the power is , atleast for me. Going from the 30*out to 5* out I noticed some topend gain, going to the 4" :mike seems to be working pretty dam good I'd say.
Last edited by N/A Q45 on Tue Apr 23, 2013 4:56 pm, edited 1 time in total.

N/A Q45
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X-pipes have to much hype from what I have read in testing them vs y-pipes I couldn't seem to find any that use in my mind a proper size y-pipe. Y-pipes are my choice and I would recommend this to anyone who wants their Q in the low 14s or even hit 13s

N/A Q45
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elwesso wrote:What was the ambient temp, just curious? You have to remember that when Rob ran those numbers it was in the middle of the summer with high humidity in Miami, so it was probably pushing 90°F (35-40°C) at least. If you were more along the 5-10°C range when you ran, that means air is about 10% more dense, assuming the same elevation and neglecting humidity effects. Also, Rob spent a lot of money because he did NONE of the work himself, and included rental car prices in those figures, so it's easy to say one could very easily achieve the same results much cheaper doing the same mods.

I removed the thread, not because of the info contained in there but because of all the irrelevant arguing.. It's not coming back, end of story.

Allow me to summarize what you've done to achieve this 1/4 mile time (please add as necessary if I missed something):

1. Changed to 270cc injectors and increased fuel pressure
2. Advanced timing on the CAS
3. Bigger TB
4. Cold Air Intake
5. Glasspacks
I think his rear end and transmission should have gave him the edge if he was making more power then me, if that's what you are trying to say-

I'm running the stock transmission and gear ratio and I can't hook now, put his on my car and it would never hook unless I had 300s probably-

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Turbon8er
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N/A Q45 wrote:X-pipes have to much hype from what I have read in testing them vs y-pipes I couldn't seem to find any that use in my mind a proper size y-pipe. Y-pipes are my choice and I would recommend this to anyone who wants their Q in the low 14s or even hit 13s
^that is one reason that GM stuck with the Y-pipe on the late model F-bodies (camaro, firebird), of course they call it a "Live" pipe.

i already killed one auto transmission by dogging the shiz out of it (i'm not going to tell you about how i thought it was cool to drift a v8 land yacht when i first got it. That might make me sound silly.) haha, so the only way my Q will ever see the 1/4mi is when i do a 6spd swap. But to be completely honest, i have no intention of drag racing it. It's a nice car, but not nearly as fast as my 240, which probly runs mid- high 12's. Maybe, idk for sure, but it'll beat my Q any day.


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