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Love Woodbury..... ......I lived there for 22 years!! Hope to move back! I'm over there all the time.....have a number of homes listed in the area! :D

???? Doug....where abouts in MN?

Hi Doug... ...Great looking car! Hmmmm...sounds very similar to my issues! Can I suggest another thing if it's not been done, replace the coolant temp sensor. It's right above the water pump, front of engine, front on intake manifold. On your 84, it's a one wire sensor and many times the...

Fingers crossed..... .........any luck, Lonnie?

I just wanted to share that even though my fuel pump seemily worked fine on my 84, I decided to replace it with a pump for an 85 through 89 c4 (as so many threads and tech papers recommend) and wow, was I surprised! It cured many ails that I had thought were caused by other things. I replaced...

Lonnie....I have an 84 with 159,000 miles on it and had exactly the same thing you seem to have, also had an idle issue intermittently, and I decided to pull the fule pump, even though it seemed to work fine, and replaced it with a Delphi pump made for an 85 through 89 corvette. That pump has...

GMJunkie......you are so right on two temp sensors. The one nestled above the water pump tells the ECM whether the engine is hot or cold, which hence adjust mixture accordingly. Replacing it help in many, many cases. On an 84 replace it with the updated version with two wires! Nice...

84... .......154k and still strong!