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  1. LT1 | LT4 | L99 Engine Tech
    Hey, I own a 97 trans am. I needed to replace the water pump drive gear because I broke it replacing my water pump. I striped it down to the timing chain, replaced the timing chain and the water pump drive gear. I put it all back together and when we started it, it cranked a lot. When it finally...
  2. LT1 | LT4 | L99 Engine Tech
    I have a 94 LT1 out of a chevy caprice interceptor with a painless harness installed. I pulled the engine and put it into a rat rod project I've been working on. While the engine was out I replaced the spark plugs, wires, coil, icm, optispark, and the fuel injectors. The air pump was also...
  3. LT1 | LT4 | L99 Engine Tech
    Hi All, I have a 1994 Camaro Z28 with 98k miles that is having some idle issues and misfires when warm. I have had the car since 80K miles and I didn't have any issues before this. The issues started last summer and I have not been able to diagnose the issue. Once the car warms up to temp...
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