Tag: C4

C4 Exhaust Resonance Tips

After battling with 3 different cat back systems, and 3 different front Y pipes on my mostly stock 1990 corvette coupe, I have learned that the C4 corvettes can and often do have a exhaust resonance (droan) problem. After researching the matter and doing a lot of switching, installing, and reinstalling system after system I […] More »

  Comments | By - April 21, 2010

Early Convertible Top Installation and Glass Retrofit

It is possible for novices to install a glass window top to their early C-4 convertibles. I should know, I am as novice as they get! For 86-93 Corvette owners that can no longer stand their plastic window, here is my experience in converting the vinyl top to cloth with heated rear window. First, let�s […] More »

  Comments | By - April 21, 2010

How to Do an Open Air Lid Mod

Well just a free mod you can do to your air box. Invloves cutting a massive hole in the box so more air can come through it. Seems to me like it does nothing except allow air to enter easily but I don\’t know if it allows MORE air to come in. Well install is […] More »

  Comments | By - April 21, 2010

Keyless Entry Remote Maintenance

If your remote seems intermittent or requires a shake to work, try cleaning the motion switch: Open the remote case. The switch is the gold tit thing between the buttons. There is a small ball in there so don’t lose it when you take the cover off. Remove the whole circuit board from the case […] More »

  Comments | By - April 21, 2010

Power Steering Pump Replacement Cheat……..

Let me save you some money. The $400 stock OEM C4 pump is nothing more than a generic GM V8 LT1 Caprice station wagon pump with a different pressure control valve installed to provide higher effort steering. The C4-specific valve is available separately from GM for about $18 and it drops into the high pressure […] More »

  Comments | By - April 21, 2010

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