Tag: C4

How To Remove and Clean the Radiator

How to Remove and Clean your Radiator by Lars Grimsrud SVE Automotive Restoration Musclecar, Collector & Exotic Auto Repair & Restoration Broomfield, CO Rev. B 6-19-00 This tech paper will discuss the removal, exterior cleaning, and installation of the radiator on a 1985 L98 C4 Corvette. Other years are very similar in procedure, and utilize […] More »

  Comments | By - April 21, 2010

LT1 Coolant Change Procedure

I take no credit for this info. This info was given when I asked \”how to\” and I thought I\’d polish & post it for future reference. Thanks to all for the help! LT-1 Coolant Change Procedure: In order to do a good flush you have to remove both knock sensors out of the block, […] More »

  Comments | By - April 21, 2010

Random Starting LT1

I have a 1992 LT1 that had a very random start problem. Fuel Pressure was Ok, Spark to plugs was fine, no error codes were set in ECM. Once the car started it ran fine. Finally took a #47 (12Volt) bulb and put it across the fuel injector wires. Found that when the car was […] More »

  Comments | 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 »

  Comments | By - April 21, 2010

AC R134 Retrofit

There has been a question recently on this topic-so I thought I\’d actually post this link along with some other info. www.epa.gov/ozone/title6/609/retrguid.html It\’s not an add! Just updated info on whats needed or not needed to make it work. Sorry for just giving a link-but I don\’t think I could type all that info in […] More »

  Comments | By - April 21, 2010

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