85 Mercury Capri New Engine First Time Startup

Just finished building a 347 stroker for my Capri bracket car to replace the 351 Cleveland that I have been racing in several different configurations for the past 23 years. Just started it for a short time to set the timing and see if therre were any issues that needed immediate attention. The next day I did the obligatory 20 minute break in cycle at 2500 rpm and varying the rpms.

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85 Mercury Capri New Engine First Time Out (Stumble) 3rd run
First time out for new engine. Had a very bad stumble off the line. Found out later that my MSD 7AL2 was pulling 10 degrees of timing out between 3,000 and 4,000 RPM's. So I was leaving the line with only 24 degrees of timing!! No wonder the car was falling flat on it's face!! Despite dismal 60 foot times in the 1.80's, the car was still running 7.0's in the 1/8 mile at 97 MPH. That was short shifting at only 6,000 RPM's. My goal of 6.60's in the 1/8 with this new engine should be easily realized after it gets sorted out





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