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i thank the fourm for the guidence and info. I decided to polish the car withTurtle wax Ceramic Acrylic Black Polish it hid the the checks ,they were filled with a white residue and it masked them. i am satisfied with the looks now and just going to add it to my estate. i am pushing 70 and...

I have a1987 GN with 67,000 miles. I bought it in 1988. It is unmolested other than the fuel injectors and computer chip. Everything is original and perfect condition. It saw the rain 3 times in its life, it is garage kept. The paint is very shiny but is has small cracks all over the hood...

Hey guys thanks for info. They are sprayed sem trim black and drying right now. They look great for a spray can. I should have used my mini hlvp spray gun it has a better spray patern. Maybe in twenty years I,ll try again!!. Thanks Steve

I Read all the posts on headlight bezels but still have a question. I have my 87 GN since 1988, 65k and driven on wet roads 3 times, unmolested and still has the great cracking paint and I want to paint the bezels. Some posts say flat black some say satin black and some say sem trim black. On my...

My third powermaster is starting to fail and I am going to convert to vacuum brakes. Which g body brake booster should I use, the 9" dual diaphragm or the 10 3\4" single one. Will both of these fit my 87 GN. If they both fit, which one looks the best installed. I am going to send the old...

Mike thanks for info ,replacing bearings tomarrow. 20- 25 in. lbs on pinion bearing pre load right? should I use 80-90 plain gear oil with additive or synthic with out? Thanks again Steve

Update on vibration hunting. I put the gn up on my lift and ran the drive train and listened to the differential with a rake handle. I listened to all the bearings. Pinion, axle, and differential carrier bearings. There was no noticeable sound difference. There was a slight vibration at the...

Hi: One quick question about driveline vibration. I have read all the post about vibrations and think I have it narrowed to tail shaft bushing or pinion bearing. The question I have, can you feel the roughness of a pinion bearing by turning the pinion shaft. I removed the driveshaft and...

Thanks for your info John. Steve

Hi Today I checked the setting on my Cam sensor and noticed I only had 5 volts to the sensor. If I am correct their should be 7 volts. Do I have a problem somewhare or is this ok. 87 gn 62,000 miles bone stock. Thanks Steve

Here is another one

Engine picture See if this picture comes through.

I just took some pictures of the engine compartment today but I don't know how to post them. I took they pictures today but I did the cleaning last July. The tire foam makes the plastic parts look like you clear coated them. Steve

I sprayed mine down with degreaser,presure wash,dried with leaf blower,and sprayed with Armoral tire foam. Let the tire foam set up and blow dry puddles. Looks like it came out of the showroom. I also do this to my 66 Big block corvette and my 2001 Silverado.

I have 87 GN with 62,000 miles since new. It is bone stock and only has seen the rain three times. My question is the hood has a lot of small paint cracks in it and some paint flaking above the wheelwell on the right quater pannel. If i get these things repaired is it going to decrease the...

I am overhauling my A\C in my 87 gn. I am switching to r134a,changing the compressor,accumulator,hoses,orifice tube and o-rings. Flushing system. I did some searching on this fourm and some people use the GM white orifice and some people use the Ford blue orifice. Which one is better and...

Thanks for all the info on the exhaust. How does the hooker system sound? I am not looking for more performance but I like the quiteness of the factory system. My son's syclone has a 3" Borla system on it and I don't like the sound. If I want noise I'll take my 66 big block Corvette with...

1987 GN 65,000 miles completely stock and unmolested. I need a new exhaust system from the cat back. I checked with GM but no longer avalialbe. What are my options? Thanks Steve

Can someone tell me the stock 1987 GN 15" wheel specs. (rim width,bolt pattern,and back space). I have a set on my sons 78 Malibu wagon and want to get a set of mags so I need these sizes. Thanks Steve

Just got my GN (had from new)hooked up to my lap top and want to know the optimal readings of my sensors (blms,o2,maf,iac,int) at idle, mid range, and wot. The mods I have on the car are green strip injectors,adj fuel pressure regulator,hot wired fuel pump,adj wastegate, casper dial chip(burned...