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Old 11-08-2007, 11:39 AM   #1
hockey930
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Default Nitrous + Volvo = :-)

The car dyno'd 285 wheel before we went to AL. While we were down there it was tuned a bit, larger injectors were added as well as an msd box and 4 more lbs of boost to bring it from 16 to 20. As of last night there is a working 75 shot on it, good god this thing moves now. If I can get my camera fixed I will take some video.
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Old 11-08-2007, 11:40 AM   #2
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Sweet
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Old 11-08-2007, 11:43 AM   #3
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told you you'd like that ****.
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Old 11-08-2007, 01:17 PM   #4
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im still giggling from last night.....im goin to the aeroquip store inna min to pick up the fttings for purged
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Old 11-08-2007, 01:18 PM   #5
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oh yeah...larger injectors my ass......theyre effin 1000s
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Old 11-08-2007, 01:20 PM   #6
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Ross?
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Old 11-08-2007, 01:22 PM   #7
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nice
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Old 11-08-2007, 01:30 PM   #8
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You guys are crazy. Wet shot right?
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Old 11-08-2007, 01:42 PM   #9
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yes it's a wet shot, might not be for long. We had the boost at 22 for a few minutes and the injectors never went over 62% duty cycle. I should have ms control a dry shot according to the heebs. We will see what happens.
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Old 11-08-2007, 01:53 PM   #10
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welcome to the world of insta-spool.. who cares how big of a turbo ya got just jugg the bi*ch and hang on..

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Old 11-08-2007, 03:59 PM   #11
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Boo Ya!
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Old 11-08-2007, 04:02 PM   #12
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is this on an m46?
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Old 11-08-2007, 04:05 PM   #13
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is this on an m46?
modded AW71
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Old 11-08-2007, 04:14 PM   #14
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2nd m46 died 2 weeks ago. thought I would give the old aw another shot
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Old 11-08-2007, 04:17 PM   #15
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How does the nitrous cause the turbo to spool sooner? Is the nitrous injected pre-turbo?

Mike

PS... is the nitrous trigger operated or megasquirt operated?
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Old 11-08-2007, 04:19 PM   #16
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Originally Posted by 740ATL View Post
How does the nitrous cause the turbo to spool sooner? Is the nitrous injected pre-turbo?

Mike

PS... is the nitrous trigger operated or megasquirt operated?

The nitrous makes the rpm's go up so quick that the turbo spools on it's own. It's in the cold side IC pipe.
Injecting nitrous is a very exact science that can only be perfectly compinsated by my thumb
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Old 11-08-2007, 04:20 PM   #17
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I find this agreeable.
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Old 11-08-2007, 04:24 PM   #18
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The turbo also spools faster because you have more stuff combusting resulting in more exhaust gas
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Old 11-08-2007, 04:31 PM   #19
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Originally Posted by 740ATL View Post
How does the nitrous cause the turbo to spool sooner? Is the nitrous injected pre-turbo?
Pre-turbine, yes.
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Old 11-08-2007, 04:36 PM   #20
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Pre-turbine, yes.
omg






in the interest of not leaving the asker feeling completely confused, nitrous goes in on the intake, it functions just as a turbo or supercharger does, i.e. it provides added oxygen to the combustion chambers.

more o2 means more capacity to burn fuel, more burned fuel means more energy out put and more exhaust gas. more exhaust gas means quicker spool on the turbo.
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Old 11-08-2007, 04:37 PM   #21
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Good work guys!
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Old 11-08-2007, 04:46 PM   #22
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How are you controlling your ignition when nitrous is on? Does your msd box have step retard?

lucky..... don't post.
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Old 11-08-2007, 04:47 PM   #23
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Originally Posted by quinn_volvo View Post
How are you controlling your ignition when nitrous is on? Does your msd box have step retard?

lucky..... don't post.
you leave me alone, I'll post if i want damnit!
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Old 11-08-2007, 04:54 PM   #24
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msd box is one of the nascar ones, 6tn, so no it doesn't. I didn't touch the timing yet, just the button and a little 100octane in there.
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Old 11-08-2007, 05:09 PM   #25
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As soon as my 244 is on the road again it's gettin a wet fogger in the cold tube. I have an MSD window switch and a timing retard box so when the switch is on, WOT = spray. It's the way my Mercury is set up and I love it.
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