#21

05-20-2026, 07:50 AM

grivera

Ultimate Warrior

Join Date: Feb 2005

Location: Just south of Baltimore

Posts: 5,871

Pontiac balancers are all neutral balanced, IIRC. The difference with an internally balanced engine would be the flex plate/flywheel would also be neutral balanced vs an own where the flex plate/flywheel have an imbalance.

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Will Rivera

'69 Firebird, 400/461, 290 Eddy D-Ports, HR 230/236, 4l80E, 8.5 Rear, 3.55 gears
'69 LeMans Vert, XS 350, #47 heads, TH400, 10 Bolt 3.23 gears, work in progress
‘66 Lemans, 455, 310 KRE D-Ports, HR 236/245, TH400, GV OD, 12 bolt 3.73 gears - see it here:
https://youtu.be/RP_s1wJKm_Y?si=K0NZxoTyaGcj8Dcb

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