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  1. J

    LS1 in a C4

    There's someone with a kit out already. I think it has motor mounts and headers you furnish an F-body engine and use an automatic. It ain't cheap! JS
  2. J

    Review of injector cleaning

    Supposedly the late model multi-tech injectors won't need cleaning (that's the party line from the service bulletin). What they don't want people doing is using the real strong stuff, it can take the insulation off the injector coil wire. About anything you put in the tank by the instructions...
  3. J

    I have a idea for the factory Radio woes, I need advise from radio experts

    I replaced the radio in my 87 with an Apine unit. The older cars have a common grounded speaker system and I re-wired the plug at the back of the radio. As for the speaker and amps, mine measured about 1.8ohms as I remember. Since I was convinced there were problems in some of the amps I cut the...
  4. J

    C4 Console Lid

    The guys who made the seat covers for my 87 took a piece of material and wraped it around it and used a little heat to streach the material over the top and once the top was screwed back on it looked fine. JS
  5. J

    89 Vert Half-shaft Joints

    You can take the strut rod off at the outside and not even disturb the camber bolt, you just need someone to pull out on the spindle and the half shaft will come out. Uh, if you see red on those u-joint straps they need changing. You can change out the u-joints with a big hammer and a couple...
  6. J

    87 with errratic idle

    Of course a scan tool will tell you if you have an erratic TPS. You could have a problem with the IAC (Idle Air Control). It actually controls idle speed. Try cleaning the trottle body. Try unplugging the IAC and see if the idle is stable. It should idle around 500rpm with the IAC...
  7. J

    Wheel bearings

    You know if you are down there doing the hubs the u-joints are easy to get out and change at the same time. JS
  8. J

    R-12 or R134 Compressor?

    From what I have seen all the new compressors will come ready for R134a. My experience buy a new compressor and make sure the old one didn't leave trash in the lines. I think the R4 compressor is one of the cheapest ones around price wise. Have you replaced the accumulator? It has a desicant...
  9. J

    AC Compressor Cycling

    If the AC is properly charged it WONT cycle it will only cycle to keep the evaporator from freezing up. A cycling clutch orfice system is desigened to be charged where the compressor runs at optimum pressures all the time and it cycles because the low pressure cut off switch senses the pressure...
  10. J

    AC Compressor not engaging

    Holding pressure means you don't have a BIG leak. If the system pressure is low enough the low pressure switch the one just in front of the evaporator box will keep the compressor from engaging. If you jump the terminals of the low pressure switch in the plug and everything else is working you...
  11. J

    H.I.D. headlamp conversion

    http://lighting.mbz.org/home.html This is address to find out about the lights I installed. They made a big difference! Put in the CIBE lamps 100/130 bulbs relay kit and upgraded wiring. I have at least as much light as any HID on the road. Plus the way the lens are cut they don't shine light...
  12. J

    H.I.D. headlamp conversion

    Hey, you did upgrade your wiring when you put in those 100/130 bulbs didn't you. I put a clamp on meter on mine and they pull almost 18amps on low beam. The dimmer switch and headlight switch won't like that much current. JS
  13. J

    H.I.D. headlamp conversion

    Do a search on Daniel Sterns lighting. He sells CIBE lamps and a relay kit for overwatt 100/130 bulbs. When you put these in you will SEE at night!! Total cost was under $200 with wiring and lamps. If you drive at night on an interstate it's the best money you can spend. I've got light equal...
  14. J

    a/c charge

    a properly charged system won't cycle. If it's good and cold at idle you added about the right amount. make sure the caps are good and tight on the schrader valves, that's where a lot of systems leak. If it's overcharged by much it won't cool good. run the rpm up to about 1800 for a minute and...
  15. J

    Super Ram + 3.73 gears = HELP

    If you're not going to do it yourself sell it and get a Z06 C5 JS
  16. J

    Tires

    I've just about worn out the set of SZ50 on my 87. When new they were GREAT in the rain. They have a smooth ride and handle tight. They are made in Japan. The only reason I won't put them back on is price. I have read some good reviews on Kumho and they are $50 cheaper at tirerack. Even...
  17. J

    13"rotor life

    Planning on installing C4 13" brakes on my 87 since I'm not going to get 17" wheels any time soon. How do these rotors hold up? A set of used parts will come with rotors. Am I wasting the shipping just to throw them in the trash because they are warped? Do the 13" rotors hold up better than...
  18. J

    Fuel Pump Tidbit

    Just thought I'd throw this out. If your fuel pump is getting on in age, I'll say near 150K miles think about trashing it before you end up waiting for a ride! I waited until the latter. I watched the guy do it since I was 400 miles from home. It took him 30 minutes to change and he had never...
  19. J

    Correct ignition timing 1987 Coupe

    The tan wire with black connector you found is the right one. 6 degrees BTDC is what the sticker on mine says. If you don't disconnect the the tan wire the computer will keep moving the timing around. JS
  20. J

    Bose System Replacement

    You can use the bose speakers if you get a head unit with amps that can stand 2 ohm speakers. You need a wiring diagram to do some work on the radio plug since if the 84 is like my 87 the speakers have a common ground, it can be split off at the radio to seperate the grounds. To get rid of the...
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