On my 85, E cam ( cam advanced 4 deg.) msd dist. it worked best at 16 deg. initial and 36 total. I had the 20 deg. limiter in the dist. This cam with tw heads, 600 cfm carb. performer intake, .060 over 302, mac exaust did not make a lot of low end power, at about 3500 look out, pulled strong to 6000. i have changed cams to crower .218/.224 dur.@ .050 and .468/.480 lift, this cam is a little better.
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Stock 89 GT with 147000 miles,but not for long. Now with 3.73`s, soon 306 from 85 install.
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