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Numbers don't add up

Old Dec 22, 2003 | 04:41 PM
  #21  
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Originally Posted by next
The TR6s are currently gapped @ 38. Right out of the box they were 40. I've checked the pills and nozzle twice and they appear to be clear of any blockage. I'm convinced though that there's either blockage in the bottle valve or a bad nitrous solinoid due to the low volume that the bottle is putting out.

Here's the specs on the car.

Comp Cams XR 228/228 .571/.571 113lsa
Stage II heads, Ferrero 2.02/1.57, Comp 918's
LS6 Intake, VHP MAF ends, polished TB, TB bypass, 160 t-stat, Direct Flo lid, K&N filter
NX wet kit, MSD Window switch
Midwest 4400 torque converter(non lockup), B&M trans cooler
LS1Edit tuning by Norris Motorsports

Exhaust
Jet Hot Headers, Hooker ORY, SLP dual/dual, Flowmaster muffler, exhaust cut-out

Suspension
Front sway bar delete, BMR sub-frame connectors, HAL QA1 front shocks/springs, CE rear shocks, BMR lower control arms and relo brackets, Spohn torque arm with spherical rod end

Misc.
Pro stars, ET Streets 26x11.5
Chrome moly, weld in, custom 6 pt roll bar
Jaz racing seats, RCI 5 pt harness
Walbro 340 intank fuel pump, Aeromotive fuel pressure regulator

Probably more info than anyone would ever need, but cut n paste makes life easy!
The cam should work decent with a small shot. The problem i can see for you is that you are spraying more then a 75 shot on a 4400 TC !!!!!!. The most ive seen the 4400's hold is 75rwhp from nitrous because anything more and it makes alot of torque and blows through the converter. Get a tighter converter like a 3800 or a 4000 and you can spray up to 125 shot on those and go faster then what you have right now. Another thing is to get rid of your ported MAF ends and go back to stock ones. That really screws with the line pressure in the PCm settings. Stock descreened is about the most you want to go on an A4 car.

Mike
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Old Dec 22, 2003 | 10:21 PM
  #22  
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I'm going to have to mess with what I have for right now. Car will be back in the shop here in a week or two as Santa is bringing me a Currie 9" (narrowed 2" ea. side, aluminum center section, full spool and lightweight Wilwood brakes). When this goes in, I'll have it back on the dyno to see if anything else can be done with the gas. It didn't seem like the ported MAF ends were giving any problems as the a/f on motor was good across the board. I might just have to try some stock ones to see if acts any better.
I'll have to make due with this convertor until I get the new tranny. Current plans are to go with a 'glide which will match up to the new motor plans (new short block and big DP system).
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Old Dec 23, 2003 | 03:02 PM
  #23  
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Check the N20 feed line for a crimp or restriction somewhere between the bottle and the solenoid. Are you using AN4 line or AN6? I switched to AN6 for better volumn. Also as previously suggested check the filter at the inlet of the N20 solenoid, make sure it's not restricted.
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Old Dec 24, 2003 | 08:52 AM
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It's an AN4 line. I've got some investigation to do on all the lines and solenoids over the holidays.
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