Surging at idle GM 454, transmission clunk..
I know I have seen this discussed before but, I can't find it. What causes a idle surge on the Chevrolet 454 TBI? Seems like it was a simple fix. When the engine is fully warm and we are easing thr...
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The clunk is a classic issue with those drive trains. It's the yoke of the drive shaft sliding on the output shaft of the trans. GM has a special grease for that area that solves the problem but if you can put up with the noise, it's not really a problem and wont hurt anything.
