Dear Oldsmobile,

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Yep i miss-read it
 
it is and I dont want it to explode while im cruising to the GBody Forum party in 2020!!!!!!!!!!!!!!!!!!!!!!
 
If you are sending the 4A heads to the machine shop to be milled buy the W31 replacement 1.625" exhaust valves and get them to use a bowl hog under both the intake and exhaust valves.
 
Prop Joe in Chi-town has been beating on his 403 since I met him at Norwalk in 06, and I think the motor was a few years old then. 12.50s in good air, cruise control, and AC still work. Nothing fancy- just good machine work.
 
I have LAB over here, the guy Lee used to make parts that the "real" Mondelo's
 
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