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Magnacharger Z28 in the 10's!

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Old 10-18-2004 | 03:40 PM
  #21  
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Well I guess next year I will be going with a twin screw if my current list of parts isn't fast enough for me. Thanks for all the info.
Old 10-18-2004 | 11:14 PM
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Real nice numbers pal got me ready to sawzall my cowl on my 99 ta to make it fit
Old 10-19-2004 | 02:51 PM
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Yeah Tony, I was trying several little things to fix the problem. I finally noticed that there was a big difference between the drivers side O2 readings (~880mv), and the passenger side O2 readings (~750mv). At that point I plumbed the fuel rail in a circular fashion with the FP regulator last. Now the O2 readings are equal from side to side and I can tune the thing properly with the wideband!

I also replaced the Magnacharger steel line that connects the 2 rails. I went with braided line and AN fittings to eliminate the 2 sharp 90's at the back of the rails.

Originally Posted by Nine Ball
Good job John! I know exactly what you mean by "surging" at higher rpm. We found most of the issue to be the little dampner block going into the fuel rail. I will be plumbing it directly into the rail as my next project.

Soon to be two 10-second Magnacharged hybrid Camaros
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91 Z28 LS2 408CI, LS9 Supercharger, LPE GT7 cam, Yank3000, 3450 raceweight.
Latest numbers: 9.71 ET, 141.42 MPH, 1.40 60' , 610 RWHP Mustang Dyno

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Old 10-19-2004 | 07:58 PM
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Thats impressive to say the least,You need some good headers and exhaust for sure.God with that and some ported heads you may see low 10"s and that"s a tiny cam.I:m glad to see a roots blower running that fast ,WOW!!!I love the way it looks too!I bet it sounds great with that blower!!GREAT JOB!!!!!
Old 10-20-2004 | 07:56 PM
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Thanks. Yeah, it does sound pretty wicked when you get into it!
I think that if I did the mods you suggest, I would end up with similar performance at a lower peak boost. I feel like I am on the verge of out-running the compressor. BUT, I'm willing to address that issue too, with the correct upgraded system!
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91 Z28 LS2 408CI, LS9 Supercharger, LPE GT7 cam, Yank3000, 3450 raceweight.
Latest numbers: 9.71 ET, 141.42 MPH, 1.40 60' , 610 RWHP Mustang Dyno

www.speartech.com
Old 10-20-2004 | 10:05 PM
  #26  
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Would you be swapping on a larger compressor to address running out of air flow?
Old 10-21-2004 | 11:50 AM
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Yes. If a Kenne Bell system comes out for the LS1, I'd look into that as an upgrade.
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91 Z28 LS2 408CI, LS9 Supercharger, LPE GT7 cam, Yank3000, 3450 raceweight.
Latest numbers: 9.71 ET, 141.42 MPH, 1.40 60' , 610 RWHP Mustang Dyno

www.speartech.com
Old 10-21-2004 | 07:05 PM
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Joh: Stop teasing the people here! There will now be more that want one of these for their 4th gen!

Great job putting this together!
Old 10-22-2004 | 08:28 PM
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Originally Posted by tbyrne
Joh: Stop teasing the people here! There will now be more that want one of these for their 4th gen!

Great job putting this together!
Thanks Tom! Yeah, it just gives 'em a little taste of what they could have, if only it would fit!
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91 Z28 LS2 408CI, LS9 Supercharger, LPE GT7 cam, Yank3000, 3450 raceweight.
Latest numbers: 9.71 ET, 141.42 MPH, 1.40 60' , 610 RWHP Mustang Dyno

www.speartech.com




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