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Old 01-14-2023, 03:51 PM
SD455DJ SD455DJ is offline
Ultimate Warrior
 
Join Date: Aug 2009
Location: Grand Rapids, MI
Posts: 3,652
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Quote:
Originally Posted by b-man View Post
That’s great, back to stock as it should be.

Those ‘69 350 HOs were such an underrated engine.
This spring we'll recurve the dizzy for 36 total in by 3500 rpm and swap the 20 degree vacuum advance unit for a 10 degree one. We'll see how the plugs look after a some more driving time and fine tune the jetting if needed. We also want to check the cam's condition and zero lash the lifters to make sure it can rev to 5200 rpm (only after we gain more confidence in the engine). It is definitely peppy with the 3.55's and the TH400 shifts crisply. We'll also add the Pypes 2.5" headpipes to current 2 1/4" exhaust system and swap the mufflers for 2 1/4" in/out Ultraflows or Magnaflows...which should be more than enough flow for the 350.

Dennis