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  1. c4cruiser

    C4 mpg help

    Of course the type of driving and traffic has a lot to do with fuel mileage. What sort of roads do you travel to work and back?? Freeway, city streets? mix? Lots of stop and go driving? My 87 coupe (4+3 3.07 gears and some mild mods) will get around 16.5 around town where the roads are a...
  2. c4cruiser

    88 Anniversary Questions

    Here's some info on the 35th Anniversary car: http://www.corvetteactioncenter.com/specs/c4/1988/88anniv.html The UU8 radio is a BOSE AM/FM Casette and each of the speakers are individually amplified. You can get original radios and speakers from eBay or the catalogs like Mid-America. Some...
  3. c4cruiser

    Brake job help

    The best thing you can do is to buy the factory shop manual from Helms. For a little over $100 or so, you get the same books that the GM techs use at a dealership. Go to www.helminc.com and order the set for your year. For brake components, you can go with drilled/slotted rotors for street...
  4. c4cruiser

    Seat Track Gears

    $200 is a typical price for a rebuilt seat track assembly in any of the various catalogs. I think that the track assemblies are done by a third party and sold thru the catalogs. GM (AC Delco or Delphi) quit making the parts long ago and independent companies now make the components to sell...
  5. c4cruiser

    4+3 Trans

    Hope you didn't buy the $20+ version from the typical accessory catalogs. The filter is the same one used in the Ford FMX tranny that came on many V8-powered Cougars, F150's and mid-sized cars. CarQuest has them for around $7 or so. Clean the pan rails and the tranny case mounting surface...
  6. c4cruiser

    Will Hard-Top fit???

    Yes it will. The CC2 Convertible Hardtop that came out in 1989 will fit up thru the 1996 verts.
  7. c4cruiser

    40th Anniversary 40th anniversary color

    Any auto paint supply company can mix the color for you. The cost can vary some by brand. It's a base coat/clear coat color. One of the Ruby owners can jump in and get you the GM color code (68 I think) and the WA code. Take the codes to the paint supply store so they can properly mix it.
  8. c4cruiser

    Accel ignition coil, better then stock?

    I had added an Accel SuperCoil in an old 78 that I had owned and it did raise the idle speed somewhat. But the wires were stock and I had not replaced the cap or rotor. The higher voltage probably helped to deliver a hotter spark to the plugs given the poor condition of the old components...
  9. c4cruiser

    First one headlight then the other

    The headlamp relay/actuator system changed beginning with the 1988 C4 Early C4's used three relays (one relay for each bucket and an isolation relay) 88 and later cars used an sealed electronic actuator. The early relays are around $15 each while the late style is in the $100 range...
  10. c4cruiser

    Who has best price on Hooker Headers #2149?

    Summit Racing has pretty decent prices and they would be pretty hard to beat. Jeg's has them for all of 11 cents more! Freight is about the same at Jeg's
  11. c4cruiser

    Clutch Grind?

    The clutch is a hydraulic unit and no adjustments are possible. Does the noise occur only when in neutral and the car stopped? The ZF6 can be a bit noisy. I would suspect the throwout bearing.
  12. c4cruiser

    First one headlight then the other

    This link has a electrical diagnostic routine to check the two headlamp relays and the isolation relay: http://members.shaw.ca/dankai/Headlight%20Doors.pdf If you do not hear any noise from the motors but can move the buckets with the knob at the bottom of the motor, you may have a relay...
  13. c4cruiser

    First one headlight then the other

    Each headlamp motor has a small knob at the bottom that allow you ro raise the headlamp buckets. Open the hood and reach down to the bottom of the motor and turn the small knob. If the headlamps raise all the way up with no noises, turn the headlamp switch on then off. If both lamp buckets...
  14. c4cruiser

    An LT1 in ZR-1 clothing

    The Opti is not terribly troublesome by itself. Getting the unit wet will effectively ruin it and will require replacement. Being below the water pump is a problem, so if there is any indication of a leaky pump, replace the pump immediately. Also when flushing coolant you need to open two...
  15. c4cruiser

    An LT1 in ZR-1 clothing

    The VIN holds the information as to whether or not the car was a "real" ZR1: The 5th digit of the VIN determines the carline/series. A "Y" indicates a LT-1 motor and a "Z" indicates a ZR-1. 1G1YY = LT1 car 1G1YZ = ZR-1 The 8th digit in the VIN is the engine number: J = LT5 P = LT1 The last 6...
  16. c4cruiser

    What do I need to do to....

    My 02 coupe has a Vortech supercharger with intercooler and with 7psi boost at WOT without any other mods, it dyno'ed at 443HP at the rear wheels and 402 ft-lbs of torque. That makes the motor right around 500HP. I also get a shade over 31MPG at 75 even with 42lb injectors. For a naturally...
  17. c4cruiser

    State Farm's new way to screw you for more money

    Your credit report or credit score is being used by a number of insurance companies to set rates or even determine if you can get insurance from them. The thought is that people who can manage their money are better risks than those who can't. Whether it's right or wrong is probably up to the...
  18. c4cruiser

    help putting the overdrive back to my control

    The 4+3 trannies operated differently from year to year. This website: http://www.5speeds.com/dne.htm has some good info on unit repair and how they operate. Click on the link "Click Here to see our OD comaprison chart" to find out how the different years operated. You can find the answer to...
  19. c4cruiser

    Convertible Top weather stripping

    "Real" GM weatherstripping will cost hundreds of dollars. Mid-America Motorsports has complete kits: a GM kit for $450 and a reproduction kit for $300. They also have individual pieces. Go to the MAM Website www.mamotorworks.com and enter these part numbers: GM kit 600-118 Repro kit...
  20. c4cruiser

    Battery Jumping???

    The ignition should definitely be off when connecting a jumper battery or a charger. :) I once tried to help a young kid start his Honda by pushing it. It was a manual tranny car so we told him to put it in 2nd gear and let the clutch out once we got the car moving. He did but the car...
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