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Thanks for the info Art, I'll jot that down in my ZR-1 fact notebook I keep. :D

Hello Hooks16golf :confused This is what I did to consider the best ZR-1 to buy. I lurked on the ZR1Net, CF-ZR-1, and CAC-ZR-1 forums for two years(probably less here)reading all the posts, almost daily. I had sold my '88 and had the cash ready to buy for over a year. After reading...

Thanks Jonny- Gee, the link too. I went over and bought me a can. Can't beat that!!! :D Bob

Does anyone know what will match/stick to the silver/grey powder coated LT5 engine as a brush on heat resistant paint for small touch -ups. :D Thanks...

Hi All.... I have a goofy wire problem out of nowhere. I will clean battery terminals(batt has full charge)but want to check alternator. How do you check the alt while on the car, I probably have the tools just need to know how? Thanks Bob

Thanks for the info., I will be removing it to check it out ... :D

Hello All...... BRIEF HISTORY(Hx): Previous thread: '95 ~5K miles, backfired on start-up 3 times over the summer(loud/explosive type), Key is always held long enough-ON, May backfire the second you touch the key or well into cranking, May do it a several hours after shut down or after it has...

Hi Rob- I just got my new solenoid from kurt White. I haven't really compared them yet, will keep you updated here.

D- I think your concern is correct.... I can't pull a vacuum on the actuator side of the solenoid which makes sence, but if I hold my finger over the filtered solenoid air inlet on the back of it , it will then pull a vac & hold which I think is O.K. & correct. The reservoir side of the...

Thanks for your help..... I have never had any codes set, as yet. The plenum is off & I have repeatedly rechecked every vacuum line combination. The pump to the plenum is good. The only leak I detect is on the solenoid, the connection which goes to the reservoir. This must have to hold vac...

Hi All- I have some numbers, not sure what the normal limits are but think everything here is normal??? Resistance between paired coil terminals(wires removed): 5/8 = 5.7 ohms 4/7 = 5.6 " 1/6 = 5.7 " 2/3 = 5.7 " Resistance between paired plug ends(plenum not removed) 5/8 = 16.5 ohms 4/7 =...

Hello All- All power/ignition off. Checking solenoid mounted in car. I disconect the dual vac plug connector from the solenoid. I pull a vac. from the passenger side vac. nipple of the solenoid(this would connect to the vac. reservoir), there is a steady decrease in vac here wether the driver...

Hi All: I'm pulling the plenum for injector reconditioning, hope to eliminate the backfires & fix a bad vacuum leak which is under the plenum while I'm there. I started the car yesterday & let it run for 1/2 an hour. About 25-26 hours later I was going through the fuel pressure relief...

Thanks for the great article. It's always nice to read first hand info before attempting to do it for the first time by following the manual.

...and it does it automatically? Interesting.....

How's that???

*+*+ Port & Polish Questions Hi All- I need to pull the plenum due to leaky injector, so obviously it makes me think.... On a P/P job are the heads also worked while on the car? My car is staying home, wondering if anyone has done this work themselves? I remember having some good info from...

Thanks for your info. As you say, I'm sure the computer would set a code, therefore it should be O.K.- no codes have set & car runs great. It's a backfire problem and the manual does list coils as something to check , although I'm quite sure it is a leaky injector problem. Thanks, that helps .

Not mine. What about a GM Dealor? Can they tell you anything?

Hi All- I'm not having any luck finding the actual procedure for testing the coil packs in the GM service manual. There are many references to do it using GM Spark Tester J26792/BT-7220-1, but that is all. Do you have to have this tool to do it? Can anyone describe how to check them ? TIA Bob