On my 1985 C4. the pin that holds the gas pedal and spring isn't budging. On the left side of the gas pedal the pin has what looks like a washer. On the opposite side, the pin has kind of an acorn nut
one suggestion was to use a small c clamp on the left and a small socket on the right and...
Hello, I'm replacing pedal pads on my 1985 C4. I used Dorman products. The clutch and brake pedal fit well with little issue. The gas pedal has a pin that is not moving. The pin is at the bottom of the pedal and also holds the spring. From watching videos of this job, the pin just pushes...
A great ride to lunch yesterday. This car really moves along. A few upgrades really made the difference.
My condolences to the recent lost members. We don't know when, so have fun while you're here. Maybe it's more fun where you are now.
Hello and Happy Holidays,
Thank you for your replies to the removal of the Idle Air Control unit. I did have to remove the throttle body just to get enough torque on the old one to remove it. With the new one installed, my car idles at 900 and is very consistent. No more Roving Idle, The...
Hello, thank u for the reply, C4 is a 4 sp Doug Nash with elec overdrive for 2nd, 3rd, and 4th
I talk about it on you tube
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Hello, My Friends in Canada. I Am thinking of changing out the IAC (Idle Air Control Valve). Do you think the throttle body needs to be removed? 1985 Tuned Port Injection. I've seen it done on newer C4s without removing the throttle body.
I don't know if I'm being lazy or smart. Anyway, I...
almost all problems like this with Corvettes are a bad ground somewhere
Jay Leno's z06 had a bad ground in the drivers door that kept the whole car malfunctioning
Try those 3 Mods on your C4 and it's a lot of bang for the buck. 1) Throttle Body Coolant Bypass 2) Throttle Body Booster 3) K and N kit.
The throttle body kit is an L shaped rubber hose that connects directly to the heater pipe on the passenger side. There are 2 rubber plugs for the now...
There is supposed to be an extra pulley on the smog pump for balance. A lot of C4 owners just remove it. This can be done without even loosening the serpentine belt. I left mine stock. There are other mods that have more effect than this one. If your smog pump only has one pulley with no...