Well, Found out what that clacking sound was. It's the Valve Lifter Retainer. A little thing that bolts to the center of the engine under the intake manifold and pushes down on the actual lifter retainers. On #6 Cylinder it's busted off so it doesn't hold that retainer down. I'll try and take pics later.

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1987 IROC-Z T-Tops No mods yet... Oh wait !MAF!

 

Well at least I got #6 right, Go figure.

 

Alright, least ya got the problem figured out man! Oh, and a suggestion on the sig !MAF! would lead people to believe that you removed your MAF totally, which, would kinda make the engine unhappy. Put something like, Gutted MAF, or, removed MAF screens.

-Roshambo

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-Joe
1988 Pontiac Trans Am WS6 - 305 TPI, 700R4, 3.23 Posi, Digital Dash, Leather Seats, Maui Blue with Silver GFX, T-tops, Tinted Glass, Gutted MAF, TB Coolant Bypass, K&N Cone Filter, Hi Flo Cat, 3" exhaust from Y-pipe back, MSD Super Coil, Accel 8mm wires, L98 Aluminum Heads, Ported and Polished Plenum, Siamesed Intake, Aluminum Driveshaft, Edelbrock 3 point Strut Tower Brace

 

Cool, glad it wasn't anything major!!! Email me...