C4 Archives - Page 57 of 59 - CorvetteForum

Tag: C4

Steering Wheel Replacement on a Budget

I just completed replacing my steering wheel on a budget. I have a 85 with tilt and telescopic. I installed a grant wheel with the hub adapter for under $40.00, I used the hub adapter for up to 1989 Cadilac without telecopic wheel their part # 3196. Advance auto parts is nice enough to loan […] More »

By: | April 21, 2010


Test for Possible Leaking Injector

Another tip from a Gordon Killebrew lecture during Corvettes at Carlisle 2001. Say your L98 starts right up after sitting for a long while, such as overnight, but is hard to start after sitting for a little while. Before trying to start it, hold the accelerator to the floor for a brief period and release […] More »

By: | April 21, 2010


Throttle Body Cleaning 101

Throttle Body maintenance 101: READ THESE INSTRUCTIONS ENTIRELY BEFORE STARTING THIS PROJECT! (YOU WILL NEED A DIGITAL MULTIMETER IF YOU TAKE THE TPS OFF! DON’T ATTEMPT TO REMOVE THE TPS IF YOU DON’T HAVE ONE, IT IS MANDATORY!) You should also buy the gasket kit from GM that includes the 4 gaskets and costs about […] More »

By: | April 21, 2010



Tires

In June of 03 I attended a C4 workshop at Bloomington Gold taught by Ron Kane and Gordon Killebrew. When asked the question: \”Which tires are best for all around use on the C4?\” They both stated that their customers and clients seemed to be very happy with Firestone Firehawks. They have great traction, good […] More »

By: | April 21, 2010


Transmission Problem Solving

I have an automatic, 93 LT-1 that I autocross. The course that I was running was low speed and I could run in \”L\” range and stay off the rev-limiter. While staging in my next to last run, I found that the automatic transmission was not shifting until 3500 rpm, unless I would take my […] More »

By: | April 21, 2010


Upgrade the ECS Module 1985-1989 Corvettes

Background The \’85-\’89 L98 uses an Electronic Spark Control (ECS) module to listen to the Knock Sensor and report ping to the ECM (on \’90-\’96 Corvette motors the ECM listenes directly to the Knock Sensor). When the ECM detects knock counts it pulls timing till no knock is reported and then gradually increases timing to […] More »

By: | April 21, 2010



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