hey guys and gals. i just put slp headers on my 93 z28. i also installed plugs and wires. and a new dipstick(pain in the u know wht) car was running great for 2 days then i took a friend for a ride and i slow down and push in the clutch and i hear a horrible noise. it sounded like a bad bearing. so i think its the throw out bearing. but an hour later i hop in my car to hit up sears and under normal acceleration car pulsates but it dont feel like a misfire more like drivetrain problems. im gunna check my wires and plug connections tomarrow. by the way other mods are nos dry system,4;10 gear,digital 6,intake, only things tht could coincide. oh yah i havent sprayed on the new plugs so cant be burnt out. stock clutch

 

it was bad gas 3 of my other friends had same problem after filling up at the same gas station that weekend. me and my other friend never caught on till we talked to our other friends and told us they had the same problem....

 

Nice that you posted back about the solution. Maybe it would be a good time to change the fuel filter.

 

try and stick with sunoco they have the best gas IMO