1995 Caprice wagon, iron-head LT1 350.
The engine is bucking, sputtering, and hesitating. Plugs are OK, wires are new. Fuel pressure is fine, filter new. This started when the front of the motor came apart to fix a massive oil leak...it's worst at low RPM's under load (climbing hills in OD, mostly), doesn't do it much (if at all) when the engine is cold.
Also, I recall seeing in Hot Rod (might've been Car Craft) that MSD had a drop-in Optispark replacement that cost less than the regular part-store thing...however, the only one listed on their site is the Pro-Billet one for about $550. (That's not what I want.) Err...help!
The engine is bucking, sputtering, and hesitating. Plugs are OK, wires are new. Fuel pressure is fine, filter new. This started when the front of the motor came apart to fix a massive oil leak...it's worst at low RPM's under load (climbing hills in OD, mostly), doesn't do it much (if at all) when the engine is cold.
Also, I recall seeing in Hot Rod (might've been Car Craft) that MSD had a drop-in Optispark replacement that cost less than the regular part-store thing...however, the only one listed on their site is the Pro-Billet one for about $550. (That's not what I want.) Err...help!
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