Not a thirdgen but oh well.........My buddy has a 4th gen firebird w/ the 3.4. He had been loosing coolant and overheating for a while and he took it to the local garage where they did a pressure test. They found no leaks after the test. Since then there has been no overheating problems. They did no maintenance what-so-ever. What is going on??? Little help here.
BSA

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"If they do not run, Then they will die." - Stonewall Jackson
#3
'87 IROC, 355 TPI, Converted to SD, 700R4, B&M Megashifter, 3.42, Trick Flow Twisted Wedge Heads, Edelbrock Intake, Accel Runners, Comp Cam, Crane Gold rockers, Lucas 23# injectors, Edelbrock headers, Flowmaster 3'' exhaust, Mallory Ignition, Transgo Performance Shift Kit, Corvette Servo, 2,000 Stall Torque Converter

 

ttt

 

probably because the thermostat was sticking. when they pressure tested the system, it freed the thermostat. it will come back in the near future.

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85 IROC 350 11:1keith blacks,.555lift erson roller cam,1.5 crane roller rockers,edelbrock intake,holley 4150 750dbl pumper, nitrous oxide,full length heddman headers,true dual exhaust, 11"stall converter, 700R4, 3.73 locker