1987 turbo-t (13.23 @ 109) vs supercharged 3800 buick regal gs (14.01@103)
1987 Buick turbo-T racing a fwd supercharged 3800 Buick Regal at Earlville, IA.
Supercharged Riviera by Buick - 298 HP/370 LB-FT Dyno Pull
Base pull @ 80ºF with 3.4" blower pulley. 248 WHP/308 LB-FT at wheels.
Messing around with a friends Modded 2001 Buick LeSabre
Replacing a worn out supercharger coupler on 3.8 GM engines
A quick step by step video of how to replace the coupler in the nose shaft of the Eaton M90 Supercharger equipped on GM's 3.8L engines. The coupler fittings get loose over time and cause a terrible noise at idle which eventually leads to other issues including knock retard.