ok ive check my msd ,my wires,plugs,coil all good only thing i can find wrong is 02 sensor goes from ready to not ready "on my auto xray could that some how be my prob? ill go from closed loop to open loop and o2 stops reading "ready" i think i need a heated o2 but could this be related to my cutting out i have a 87 355 tpi maf system thanks

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1992 camaro RS w/ 350tpi
195cc AFR heads with compition port work milled to 58cc
1 3/4 hooker long tube headers
4" mufflex system
custom ED Wright chip
eddelbroc intake base and runners and much more
new best ET 13.5 @104.66 on stock heads
no times with new afr heads hoping for 12's on motor
http://www.nav.to/badass355tpi

check your valve adjustment and springs.

whats your knock retard at 5000rpms? I find mine is the highest at 5k.

Does your fuel pressure increase past 5k or drop?

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91 Formula 1LE 1 of 46
305 TPI 5speed
1LE/G92/WS6

Paxton SN92 supercharger, Ford SVO 24#injectors, Crane AFPR,SLP airfoil, ported/polished plenum, March alt. pulley,Crane Gold 1.6rrs,MSD coil,MSD6AL (5400rpm limit),Holley 9mm wires,Ac delco R43ts plugs,custom chip,Bosch O2sensor,SLP 1 5/8" headers,SLP catback,shortened shifter,3:73s w/Auburn posi,180* t-stat,JET 195* fan switch, Macewen white face gauges, Autometer gauges, Zoom hi-performance clutch.

Check to make sure you wired the coil right. If you reversed the polarity it will run, but loose the top end.