to my breaking point....help!!!!

7-up man · November 3rd, 2007, 06:25 PM

so we replaced the head gaskets on my 347 last night. got everything together today and fired the car up.

it acts EXACTLY like it did before. wont idle, steam comming out of the oil filler neck, and once the temp starts to climb, it shoots to 200 and continues to climb. I shut the car off immediately when it hit 200.

im freaking lost. I have no idea what the problem could be.

I guess the next step is to check compression in each cylinder and go from there.

Drick · November 3rd, 2007, 06:46 PM

Damn I dont know what to tell you man. I dont think it would be head gaskets something else.

oh and are you turboed or supercharged and what brand and how much did it cost

95StangMX · November 3rd, 2007, 07:30 PM

did you have the head checked when you replaced the gaskets to make sure it was not cracked or warped . I have had cracks so small you cant see them put they are there....that would be my next step bro

TheUNZippee! · November 3rd, 2007, 07:39 PM

Might have to have everything magnafluxed and have the block checked for thickness if it comes down to it.

Drick · November 3rd, 2007, 07:47 PM

You did have everything just machined and the motor was built not to long ago. Thats sounds like it could be something wrong there like a cracked head now or cracked block. How long did it run good before this started

1slo5.0 · November 3rd, 2007, 07:51 PM

Do you have air trapped in the system? Did you check the block and head for cracks and straightness? Did you do a compression check before you tore it down?

7-up man · November 3rd, 2007, 08:10 PM

Originally Posted by Darrell

Do you have air trapped in the system? Did you check the block and head for cracks and straightness? Did you do a compression check before you tore it down?

I had the heads completely re worked. they were shaved 5 thousanths. I know the heads arent the problem.

I did not pull the engine and check the block. looks like maybe I should have.

I did not check compression before the tear down because the dyno tuner said it "lifted a head" while being tuned.

and would having air trapped in the system cause steam to come out of the filler neck?

FoxHoss · November 3rd, 2007, 08:11 PM

also a leakdown test... ive seen were theres a hairline crack in the cylinder wall that caused the same symptoms, pluse the leakdown test will also cover a compression test at the same time

1slo5.0 · November 4th, 2007, 11:15 AM

Originally Posted by 7-up man

I had the heads completely re worked. they were shaved 5 thousanths. I know the heads arent the problem.

I did not pull the engine and check the block. looks like maybe I should have.

I did not check compression before the tear down because the dyno tuner said it "lifted a head" while being tuned.

and would having air trapped in the system cause steam to come out of the filler neck?

Something to try, jack the front of the car up high enough so the radiator cap is the highest point of the cooling system. Take the cap off and let the car run until it gets to operating temperature. You will probably see the system burp a few times. After you've let it run at operating temperature for a while shut it off and put the cap back on. See if burping the air out fixes the problem.

JBIGBOOTSY · November 4th, 2007, 02:17 PM

My crank case steams at the slightist ammount of moisture. Burping the system is extremely important for the cooling system to work properly. Once I dident have my overflow hooked up right and it made the temp crazy.

7-up man · November 4th, 2007, 04:49 PM

ok guys. stupid question.

on the block, and heads, there are two pair of water jackets on each end.

if you hold the head gasket and look at it, only ONE end has the holes for these jackets.

im assuming this could be my problem. did i put the head gasket on backwards?

1slo5.0 · November 4th, 2007, 05:40 PM

Originally Posted by 7-up man

ok guys. stupid question.

on the block, and heads, there are two pair of water jackets on each end.

if you hold the head gasket and look at it, only ONE end has the holes for these jackets.

im assuming this could be my problem. did i put the head gasket on backwards?

Did you put the part of the head gasket that says "front" toward the front on each side? If you didn't or if you don't know or remember you need to tear the engine back down and find out.

7-up man · November 4th, 2007, 07:35 PM

Originally Posted by Darrell

Originally Posted by 7-up man

ok guys. stupid question.

on the block, and heads, there are two pair of water jackets on each end.

if you hold the head gasket and look at it, only ONE end has the holes for these jackets.

im assuming this could be my problem. did i put the head gasket on backwards?

Did you put the part of the head gasket that says "front" toward the front on each side? If you didn't or if you don't know or remember you need to tear the engine back down and find out.

thats the problem right there.

im a dumb ass.....lol

I had the gaskets on with the two water jacket holes towards the front of the block instead of the rear.

cometic gaskets dont say anything on them about top or bottom or front or rear.

I just made a dumb rookie mistake.

should have had my mechanic put it back together instead of doing it myself.

a very time consuming and expensive learning experience.

baine21225 · November 4th, 2007, 11:35 PM

na man, it's good you did it yourself, now you know what not to do again, and can maybe help someone else if they ever do it......and you wont do it again on a more expensive project....one would hope

lugnutz08 · November 6th, 2007, 03:03 AM

yup mess up once wont do it again....guaranteed

November 3rd, 2007, 06:25 PM	#1
7-up man Regular Join Date: Jun 2007 Posts: 106 iTrader: 0 reviews	to my breaking point....help!!!! so we replaced the head gaskets on my 347 last night. got everything together today and fired the car up. it acts EXACTLY like it did before. wont idle, steam comming out of the oil filler neck, and once the temp starts to climb, it shoots to 200 and continues to climb. I shut the car off immediately when it hit 200. im freaking lost. I have no idea what the problem could be. I guess the next step is to check compression in each cylinder and go from there.

November 3rd, 2007, 06:46 PM	#2
Drick Big timin' in a small town 2004 FX4 F150, 86 GT Join Date: Apr 2007 Location: Gods country. Nordern Michigan eh Posts: 14,365 iTrader: 1 reviews	Damn I dont know what to tell you man. I dont think it would be head gaskets something else. oh and are you turboed or supercharged and what brand and how much did it cost __________________ FX4 Crew Crew member #1 Don't take anything I say to heart, I don't try to come off as an asshole. It just happens

November 3rd, 2007, 07:39 PM	#4
TheUNZippee! Moderator Join Date: Jan 2007 Location: Canada Posts: 61,816 Blog Entries: 1 iTrader: 0 reviews	Might have to have everything magnafluxed and have the block checked for thickness if it comes down to it. __________________

November 3rd, 2007, 07:47 PM	#5
Drick Big timin' in a small town 2004 FX4 F150, 86 GT Join Date: Apr 2007 Location: Gods country. Nordern Michigan eh Posts: 14,365 iTrader: 1 reviews	You did have everything just machined and the motor was built not to long ago. Thats sounds like it could be something wrong there like a cracked head now or cracked block. How long did it run good before this started __________________ FX4 Crew Crew member #1 Don't take anything I say to heart, I don't try to come off as an asshole. It just happens

November 3rd, 2007, 07:51 PM	#6
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	Do you have air trapped in the system? Did you check the block and head for cracks and straightness? Did you do a compression check before you tore it down? __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

November 3rd, 2007, 07:30 PM	#3
95StangMX MM Fanatic 95 Mustang GT depends how many people are pushing Join Date: Oct 2007 Location: Playa del Carmen, Mexico Posts: 3,223 iTrader: 0 reviews	did you have the head checked when you replaced the gaskets to make sure it was not cracked or warped . I have had cracks so small you cant see them put they are there....that would be my next step bro

November 3rd, 2007, 08:11 PM	#8
FoxHoss Enthusiast 02' GT Join Date: Oct 2007 Location: Brooklyn, CT Posts: 902 iTrader: 0 reviews	also a leakdown test... ive seen were theres a hairline crack in the cylinder wall that caused the same symptoms, pluse the leakdown test will also cover a compression test at the same time __________________ Nitrous is like a hot girl with an STD... you wanna hit it, but your afraid of the consequences 02' GT ~ Twin Screwed 469hp/493tq

November 4th, 2007, 02:17 PM	#10
JBIGBOOTSY MM Fanatic 1990 LX hatch Join Date: Aug 2006 Location: Hobart Indiana Posts: 4,392 iTrader: 0 reviews	My crank case steams at the slightist ammount of moisture. Burping the system is extremely important for the cooling system to work properly. Once I dident have my overflow hooked up right and it made the temp crazy. __________________ Bolt-on Abraham Lincoln Log motor. With extra wiring.

November 4th, 2007, 04:49 PM	#11
7-up man Regular Join Date: Jun 2007 Posts: 106 iTrader: 0 reviews	ok guys. stupid question. on the block, and heads, there are two pair of water jackets on each end. if you hold the head gasket and look at it, only ONE end has the holes for these jackets. im assuming this could be my problem. did i put the head gasket on backwards?

November 4th, 2007, 11:35 PM	#14
baine21225 MM Fanatic Join Date: Jun 2007 Location: Baltimore, MD Posts: 4,338 iTrader: 1 reviews	na man, it's good you did it yourself, now you know what not to do again, and can maybe help someone else if they ever do it......and you wont do it again on a more expensive project....one would hope __________________ "Whip out your dick you'll either get it sucked or get smacked..." "That's how Dad did it, that's how America does it... and it's worked out pretty well so far..."

November 6th, 2007, 03:03 AM	#15
lugnutz08 Regular Join Date: Nov 2007 Location: CHICAGO Posts: 64 iTrader: 0 reviews	yup mess up once wont do it again....guaranteed __________________ RUN WHAT YA BRUNG,HOPEFULLY DONT TOW IT HOME 93 GT AOD(SLUSHBOX)HA HA 3.73,TSI TRANZ,306,BENNETT HEADS AND CAM,ALUM SHAFT...BLAH BLAH BLAH

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