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08-30-2008
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#1 |
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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SSSSSSSSSSS
Thats what I heard last night coming from under the plenum when I opened the hood last night. I have had an idle surge for the last few weeks, ranging from 900-1100 RPM.
I tested the line going into the plenum for the secondaries, it held vac, also tested the two lines on the side of plenum, they were ok also. Finally I said screw it took the plenum off, really did not see anything....while I was in there took my OE wires off and on went the Delcos. Sealed everything back up, and sure enough back to normal idle.....we'll see if it comes back. My Wurth paint job on the intake has held up well so far. LGAFF 92 ZR1 #234 |
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08-31-2008
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#2 | |
  
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,155
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Re: SSSSSSSSSSS
Quote:
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GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director  91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V |
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08-31-2008
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#3 |
 
Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,493
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Re: SSSSSSSSSSS
I had idle surging (among other things) until I pulled the plenum and re-torqued the IHs and then the plenum (or course). I couldn't get the propane and hose trick to reveal anything, but then I couldn't really get that hose to go where I wanted it to either. In any case, torquing seems to have solved a number of problems I had at first. Runz great now!
P. |
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08-31-2008
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#4 |
 
Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,645
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Re: SSSSSSSSSSS
Hummmmm........maybe just torx bolts that loosened up from heat cycling????
Sometimes I think that I forgot how to put spark plugs in a motor as I find my plugs loose on the odd occasion.....and I use a T/Q wrench to install them. To me aluminium motors are wierd......but I'm from the 'iron age' 
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1990 ZR-1, Black/grey, #2233, stock. ZR-1 Net Reg Founding Member #316 & NCM member |
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08-31-2008
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#5 |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Re: SSSSSSSSSSS
Not sure what it was, I did tighten up everything again, but not much as they were still pretty tight. I do know taking it apart gets easier every time.
LGAFF 92 ZR1 #234 |
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