Blown head gasket - Ford Mustang Forum
 
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post #1 of 13 (permalink) Old 04-04-2013 Thread Starter
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Blown head gasket

So we took are car to the race track and blew a head gasket my question is I just
Put the heads on the car it only has like 400 miles on them why this soon I used arp bolts and fel pro gaskets I did miss a gear and after that car stated smoking white Through tail pipes and I could hear it braking up when driving to the pit area car was running strong before this it's a Fresh rebuilt 302 block gt40p heads b cam gt40 intake
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post #2 of 13 (permalink) Old 04-04-2013
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did you have the heads surfaced? did you go back and re-torque the head bolts?
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post #3 of 13 (permalink) Old 04-04-2013
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Did you retorque everything after a heat cycle like the intake and head bolts?

2014 V6 Deep Impact Blue Mustang, Borla Type S, 2.73 (Uughh need 3.73)
1989 Sonic Blue Mustang LX Coupe, 349 ci,
392 rwhp 424 rwtq....Mustang Dyno
"There are three kinds of men. The one that learns by reading. The few who learn by observation. The rest of them have to pee on the electric fence for themselves." -Will Rogers-
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post #4 of 13 (permalink) Old 04-04-2013
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i have never re torqued my heads with any issues but intake yes could be cause ya over reved it with missed shift
i spun number 8 rod bearing 2 summers ago after snapping input shaft on the old aod set up

1990 "whitefox" 1990 vert procharged 331 dss stroker custom tune by ASSC many mods to long to list it's a slooow process !
speed is just a question of money how fast do ya wanna go !
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post #5 of 13 (permalink) Old 04-04-2013 Thread Starter
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No I did not re Torque the head bolts would Detonation cause this because I did go a little over 16 degrees on the timing
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post #6 of 13 (permalink) Old 04-04-2013
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did you have some detonation issues? it can knock the ring lands off of the pistons. what kind of pistons?
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post #7 of 13 (permalink) Old 04-04-2013
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OP I think it might be easier to start from the beginning and say what kinda build, with which items, who put it together, what did you do after assembly and what happened at the track.

2014 V6 Deep Impact Blue Mustang, Borla Type S, 2.73 (Uughh need 3.73)
1989 Sonic Blue Mustang LX Coupe, 349 ci,
392 rwhp 424 rwtq....Mustang Dyno
"There are three kinds of men. The one that learns by reading. The few who learn by observation. The rest of them have to pee on the electric fence for themselves." -Will Rogers-
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post #8 of 13 (permalink) Old 04-04-2013 Thread Starter
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Well I did not here any detonation or pinging pistons are stock for a 302 non forge my friend put the engine together it was just hone and put new rings and crank was cut to .10
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post #9 of 13 (permalink) Old 04-04-2013
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compression or leak down test. should tell you which cylinder/cylinders. stock pistons for what year?
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post #10 of 13 (permalink) Old 04-04-2013 Thread Starter
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Pistons are form a 94 mustang i forgot to Mention that the oil cap has Moisture and oil looks milkey and the car over heats
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well....that means hyperpathetic pistons. but your newly mentioned symptoms sounds like headgaskets anyway. i would still do a compression test. sorry...
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post #12 of 13 (permalink) Old 04-04-2013 Thread Starter
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Yea I'm going to start tearing it down I've done some research and can't find the right answer but will a fel pro 1011-2 work with gt40p heads I'm using the stock replacement ones
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perfect!
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