Piston Slap: Deffo Not Your Father's Oldsmobile! (Part II)

Paul writes:

Hello Sajeev,

This is my second time writing in about my Oldsmobile. I solved the cooling problem with a mechanical fan, however now I am having another problem. As you may recall I swapped in a ZZ4 GM Performance 350 CI motor, and now it will “diesel” for awhile after I shut it off. It only does this after it has had a chance to warm up. Do you have any ideas for fixing this?

Thanks,
Paul

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Piston Slap: Fix My Bro-Ham, Sanjeev!

Mark writes:

Hello Sanjeev,

I have a problem and hope you can help me. My Cadillac Brougham with the 307 V8 smells like gas under the hood. This is intermittent and the last time it was in the shop the mechanic found no leaks under the car or around the carb.

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  • Tagbert I had this JX, though mine was a 5-speed in dark green. Got it when I lived in the mountains in Colorado. That was a fun little beast. Not super fast, but it could go just about anywhere. Put it into the low speed on the transfer case and that thing would just creep forward. The interior was not fancy but it held up well to lots of outdoor activities. I could hold lots of gear. Later when I moved away, it still proved useful. I was an unofficial “roadie” for my boyfriend and his band. Could get all their gear into it. The in-town gas mileage was around 25 mph which is pretty good. On the downside, the highway mileage was maybe 26 mph 😊.
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