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#21 |
![]() Join Date: Feb 2011
Location: San Marcos CA
Posts: 1,802
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What an awesome 'mod'! Not too many things besides nitrous oxide add 100+ hp for such little effort.
For me personally, I had driven one of these cars new back in 1991 so I would have noticed the secondary malfunction. Now you can hassle BMW's and C5's with a little more confidence. |
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#22 | ||
![]() Join Date: Mar 2014
Location: Warrington PA
Posts: 1,913
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Maybe you can post a video of your vibration noise and someone on the forum will be able to help you figure it out. Quote:
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Tom 1994 ZR-1 #009 "captured test fleet car" 1974 LS4 454 Vert 1982 L83 CFI...now a retired "dd"....Sold WAZOO Member Last edited by Roadster; 01-22-2017 at 11:39 PM. |
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#23 | |
![]() Join Date: Apr 2013
Location: Eastern Missouri
Posts: 773
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I just lost my DD to a hit and run on the interstate going to work - so having to spend more money I don't have to get another one. My biggest issues are lack of money and lack of time... Hopefully 2017 will be better then the previous couple years.. ![]()
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[LEFT][SIGPIC][/SIGPIC][/LEFT] [CENTER][COLOR=Indigo][SIZE=4][I][B] **Now Sold** 1990 ZR-1 #2093, Black on Black..[/B][/I][/SIZE][/COLOR][/CENTER] |
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#24 | |
![]() Join Date: Aug 2006
Location: McLean, VA
Posts: 3,713
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Wash and wax is good for extra 5 hp and 1 mph trap speed. Ironically I stopped by supermarket on my way back home from Westminster to pick up some eggs per my boss's request. After 10 min stop my car wouldn't start. She sat over night at the supermarket parking garage. I was too tired to do anything yesterday. This morning she started right up. You know what that means... Yes! Another plenum pull. Anyway, once I got home, it was wash and dry since I can't stand to see the car dirty. After the wash, I decided to replace the ASR. I had been getting ASR service light for the last 2-1/2 years but has been procrastinating. But, with throttle limited to 1/4 travel, figured it was about time to see if a ASR assembly off of a LT1 car I picked up from Ebay would fit our Z. Sure enough, they are interchangeable. Now I have full throttle once again and no more ASR light! Last edited by secondchance; 01-22-2017 at 06:20 PM. |
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#25 | |
![]() Join Date: Dec 2007
Location: NYC
Posts: 1,186
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90 Chevy ZR1 LPE #2315 'SOLD' 90 Chevy ZR1 LPE #2774 'SOLD' 91 Chevy ZR1 Callaway aerobody 91 Chevy ZR1 #1512 91 Chevy ZR1 #951 95 Chevy ZR1 #338 'SOLD' 91 BMW 850i 94 BMW 850csi 95 BMW 850csi 94 Lotus Esprit S4 07 Benz CLS550 06 BMW M5 "SOLD" |
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#26 | |
![]() Join Date: Aug 2006
Location: McLean, VA
Posts: 3,713
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With gauge set to read voltage, very time I turned the ignition voltage dropped from 12.4 to 12.2. I interpreted this as draw from the starter solenoid although it was not engaging. |
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#27 |
![]() ![]() Join Date: Dec 2003
Location: Grand Island NE
Posts: 1,512
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Dennis Fierstein 90 ZR-1 #2562 Atomic-Z ZR-1 Net Registry Chairman of the Board ZR-1 Net Registry Treasurer |
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#28 |
![]() Join Date: Apr 2007
Location: Northern VA
Posts: 2,655
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With the voltage drop you observed appears the starter pull in soliniod is working but the motor circuit is not completing. Good chance its the main contacts or commutator brushes. How long have you been on this starter motor? Anyone know if rebuild kits are still available?
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Phil Wasinger 1994 Torch Red ZR-1 WAZOO Member George Braml Intake |
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#29 | |
![]() Join Date: Aug 2006
Location: McLean, VA
Posts: 3,713
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#30 | |
![]() Join Date: Mar 2014
Location: Warrington PA
Posts: 1,913
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Yes Yun, it does need a wash for sure....and will use the spray detailer for that extra HP & trap speed.....lol Well yesterday you and Jim did determine that the ASR could be the reason for the throttle not completely engaging. Good you replaced the ASR unit, glad it was interchangeable and worked to restore full throttle. I once had a problem with the VATS due to using an inferior made key with the correct chip. Had to wait for a period of time, then used my key and everything was fine. Haven't had a VATS problem since. I know you probably had a different issue going on. But your Z seem to start ok yesterday on each attempt. Hopefully your starter is not shot after only 2 1/2 years. Had a good ride home, especially knowing that the secondaries are now operational. Cant wait to do some WOT testing...... Your welcome to my starter if you do need it quickly, we can set up a meet point or I can ship it down to you.
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Tom 1994 ZR-1 #009 "captured test fleet car" 1974 LS4 454 Vert 1982 L83 CFI...now a retired "dd"....Sold WAZOO Member |
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