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Old 11-26-2019, 03:14 PM   #10
crazy longhorn
Fabricate till you "puke"
 
Join Date: Jun 2002
Location: Ill
Posts: 9,403
Re: Tuning my distributor

It sounds like you have it pretty much on the run.....but I will add a couple thoughts. You might remove one spring on the mech advance/& or put one lite spring on, & check it all in? I like the all in spot around 3000 rpms on a street motor. You may have to tailor the vac advance a tad to compensate....but 32-34 (mechanical+ intitial), is not far off. With the vac hooked , on your app, I would suggest around 48-50 degrees(all 3 in). I like the vac advance hooked to manifold vac source. Not carved in stone, as they all tune differently. Best of fun,crazy longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears....
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