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BLOWN HEAD GASKET I BELIVE

1.2K views 13 replies 6 participants last post by  MR EDD (2)  
#1 · (Edited)
I BLEW A HEAD GASKET.I AN GONNA REPLACE MY HEADGASKET MYSELF AS EVERY TIME I USE A SHOP I AM UNHAPPY. I HAVE A 2VALVE MOTOR WITH TRICK FLOW HEADS AND A V-2 SUPERCHARGER.ANY HELP WOULD BE GREATLY APPREICEATED.6 OF THE 8 CYLINDER ARE SHOWING 120-130 ON THE COMPRESSION GAGE THE OTHER TWO ARE 1 & 2 CYLINDERS SHOWING 90LBS-100LBS.

MR EDD
 
#3 ·
HOW DO U TORQUE HEAD STUDS I HAVE STUDS NOT BOLTS ARE THEY TORQUED DOWN THE SAME AS THE HEAD BOLTS.
Torque the stud nuts in three steps.

35-55-75 lb-ft with ARP (or equivelent) assembly lube.

Make sure you also follow the torque sequence for you application.
 
#5 ·
make sure you check cylinder head flatness before you put it back together
 
#6 ·
ARP , and MMR and mod perf. told me to go 30-60-90 in torquing the arp head studs. And u said u have TF heads? Why are u messin with the springs? What cams do u have in yur motor?? to pull the heads u dont need to touch the springs at all. Did u find coolant in yur oil on the dipstick?? Just because u have low compression doesnt mean that u have a blown head gasket.
 
#7 ·
I AM REFERING TO THE TIMING CHAIN TENNSIONER NOT THE VALVE SPRINGS.IF I AM THINKING CORRECT IS IT NOT TRUE THAT U HAVE TO PULL THE TIMING CHAIN OFF TO GET THE HEAD OFF THE TOP OF THE BLOCK.THEN THE TIMING CHAIN NEED TO BE REINSTALLED CORRET. NEXT QUESTION IS CAN U JUST TAKE (1) OF (2) CHAINS OFF THE CRANK/CAM SPROCKETS.OR DO I NEED TO TAKE THEM BOTH OFF.
 
#12 ·
i know you have already tore your motor down but how do you know for sure you blew a head gasket?. just cause your car did not do so good on a comp test you may have other problems. since your car already has head studs i assume you have a decent set of head gaskets and that is a hard combo to just blow a head gasket.
 
#14 ·
BENT VALVE

A SO CALLED MUSTANG PERFORMANCE SHOP IN GARLAND TEXAS BUILT MY MOTOR AND SET THE TIMING UP WRONG.BECARFUL GUYS SOME OF THESE SHOPS DONT KNOW WHAT THE HELL THEY ARE DOING.I SUGGEST ASK FOR REFRENCES.
17,000 DOLLARS AND ONE BENT VALVE ON A SET OF BRAND NEW TRICKFLOW HEADS.I WILL JUST DO IT MYSELF NEXT TIME.AS I HAVE (2)4.6L MOTORS AND A 302 MOTOR.I BROKE IT DOWN AND FOUND THE PROBLEM.

I AM PRETTY DAM PROUD OF MYSELF.THANKS FOR THE HELP.THE MACHINSTS SAID THIS IS WHAT NORMALLY HAPPEN WHEN PEOPLE SET THERE CAMS WITHOUT THE SUPER EXPENSIVE TIMING TOOL TO SET UR CAMS.THIS MOTOR GUY IN PLANO TEXAS WILL COME TO MY HOUSE WITH HIS TOOL TO SET MY TIMING FOR ME 4 A SMALL FEE.AND HE GANUARENTIES IT WILL BE RIGHT.