01 cobra help asap

zinc02GT · May 10th, 2008, 02:12 AM

damn that sucks man...

take it apart and see whats wrong. if its completly fucked which sounds like it is, save for a new motor or part the car out and get a new car...

Black02GT · May 10th, 2008, 02:18 AM

so why did he rev to 7500 again? and why no rev limiter???

TheUNZippee! · May 10th, 2008, 02:53 AM

Time to go large. Forged bottom end and lots of pressure.

bitemark46 · May 12th, 2008, 03:42 PM

Sounds like a spring broke and dropped a valve causing the bent rod. 7500 is about where stock springs fail. Pull the intake off and look into the ports. You'll probably only have 31 valves showing. -Mark

weems · May 12th, 2008, 10:59 PM

Well we checked the oil for metal... none, so I guess this is good but still no luck in finding out whats wrong with it.

Montanasvt · May 12th, 2008, 11:05 PM

Originally Posted by Black02GT

so why did he rev to 7500 again? and why no rev limiter???

just being a plain out dumbass and not watching the RPM's.. i was paying attention to my camera man in the other car, but i figured i would have a damn rev limiter, but i guess not... and i would say it prolly only rev'd to 7200 maybe 7300 but still way to high

Black02GT · May 13th, 2008, 05:40 PM

ah that sucks. im sorry to hear this..

ive been racing before and took it to 7 grand in third. i looked down and i was like.. oh SHIT no wonder the dude was gaining on me! lol hit 4th and jumped back out on him.

but as far as i know i havent had it over 7k. i had my tune set up for a rev limiter at 7k so it wont go over that.( i hope)

Casper98GT · May 13th, 2008, 07:09 PM

Montana....So what REALLY happened.

Trust me on this...if you bent a rod or broke a valve...there will be noise. If youre motor locks up solid in gear...its gonna make noise.

I have a hard time beliving youre cant turn the motor over and yet it made zero noise just died.

weems · May 13th, 2008, 09:42 PM

It didnt make a noise. I was with him, why would he have a reason to lie on an internet forum? He wasnt in gear. He revved that high and then put his car in neutral to turn on my road. It died, he cranked it again, it ran fine for like 10-20 secs and then died again.

ChrisJ · May 13th, 2008, 09:43 PM

Talk to Casper98GT he will prolly figure it out...he is smart on this kind of $hit...

Casper98GT · May 16th, 2008, 06:50 PM

It didnt make a noise. I was with him, why would he have a reason to lie on an internet forum? He wasnt in gear. He revved that high and then put his car in neutral to turn on my road. It died, he cranked it again, it ran fine for like 10-20 secs and then died again.

Haha, im not saying anyone is a liar. Notice the "smiley" after my statement. Just doesnt make sence you need a new motor with no noise.

he said when he shifted from second to third it started to gain speed and then slowly started loosing it, with his foot in the gas, then he stopped and it died.

The entire story is kinda confusing. But oh well. good luck to you in whatever you find.

Talk to Casper98GT he will prolly figure it out...he is smart on this kind of ...

Thanks chris

weems · May 16th, 2008, 07:04 PM

Originally Posted by Casper98GT

Haha, im not saying anyone is a liar. Notice the "smiley" after my statement. Just doesnt make sence you need a new motor with no noise.

The entire story is kinda confusing. But oh well. good luck to you in whatever you find.

Thanks chris

I didn't mean it to come out like that. I wasn't trying to say you called him a liar. And I agree with you that it is kind of confusing and its confusing for me. But all I can go by is what he told me happend in the car and then what I heard after he stopped. I don't see why he would have a reason to lie, especially to me. Thanks for the luck.

ChrisJ · May 17th, 2008, 08:33 AM

I can tell you how confusing this $hit was when weems called me about it...I am really interested in finding out WTF it is...

Montanasvt · May 18th, 2008, 01:51 AM

well hopefully it will be soon... i prolly wont have the motor out till next week...

06RedfireGT · May 18th, 2008, 12:45 PM

Good luck with it man.

Casper98GT · May 18th, 2008, 11:20 PM

If it made no noise at all....well i was going to type something but i just figured it out technicially. I was gonna say a broken timing chain that snaked its way down to the oil pan, and lock up the motor due to valve clearance. But that would 99% sure break or make a noise.

Piston through the oil pan, or side of block would make a noise as well, and cause lots of problems. haha. even oil everywhere. Could have lost oil pressure to the top end and locked it up, but would have been an underlieing problem.

Make sure to get pics when its found. haha

Montanasvt · May 18th, 2008, 11:25 PM

Originally Posted by Casper98GT

If it made no noise at all....well i was going to type something but i just figured it out technicially. I was gonna say a broken timing chain that snaked its way down to the oil pan, and lock up the motor due to valve clearance. But that would 99% sure break or make a noise.

Piston through the oil pan, or side of block would make a noise as well, and cause lots of problems. haha. even oil everywhere. Could have lost oil pressure to the top end and locked it up, but would have been an underlieing problem.

Make sure to get pics when its found. haha

trust me... I will

bitemark46 · May 19th, 2008, 05:04 PM

By chance did it have an aftermarket crank pulley? If so what kind? -Mark

Doc8224 · May 19th, 2008, 06:46 PM

I think its just the valves. I had the same problem in my dohc eclipse. When the timing belt broke there was PTV and it bent the valves. It almost started once after that then I could turn it over by hand. we turned it backwards just a little bit and then tried to turn it over by hand and heard a little tap. Pulled the heads and sure enough it was 2 bent intake valves in the number 3 cylinder. I would seriously check the heads before you buy a new engine. Pull the timing cover off and just see if the chain is broke. If it is then maybe just pull the heads and see before you buy a new motor.

May 10th, 2008, 02:18 AM	#62
Black02GT Hardcore Enthusiast 03 Mach 1--~--1 of 2513 8.9 1/8 mile time Join Date: Apr 2007 Location: Alcoa/Knoxville, Tn Posts: 1,280	so why did he rev to 7500 again? and why no rev limiter??? __________________ -Josh- 2003 Torch Red Mach 1 Originally Posted by HMUSN it's like racing a mach 1 .. not untouchable but still gonna lose plain and simple no matter how you roll the dice.

May 12th, 2008, 03:42 PM	#64
bitemark46 Newbie Join Date: May 2008 Posts: 13	Sounds like a spring broke and dropped a valve causing the bent rod. 7500 is about where stock springs fail. Pull the intake off and look into the ports. You'll probably only have 31 valves showing. -Mark __________________ -Mark- 98' N/A Cobra (Stock longblock) 11.79 at 114.64 (1.56 60ft)

May 12th, 2008, 10:59 PM	#65
weems just another mod. 2003 Mustang Mach 1 12.9@109.3 Join Date: Aug 2006 Location: Macon, GA Posts: 2,231	Well we checked the oil for metal... none, so I guess this is good but still no luck in finding out whats wrong with it. __________________ Beautiful

May 13th, 2008, 05:40 PM	#67
Black02GT Hardcore Enthusiast 03 Mach 1--~--1 of 2513 8.9 1/8 mile time Join Date: Apr 2007 Location: Alcoa/Knoxville, Tn Posts: 1,280	ah that sucks. im sorry to hear this.. ive been racing before and took it to 7 grand in third. i looked down and i was like.. oh SHIT no wonder the dude was gaining on me! lol hit 4th and jumped back out on him. but as far as i know i havent had it over 7k. i had my tune set up for a rev limiter at 7k so it wont go over that.( i hope) __________________ -Josh- 2003 Torch Red Mach 1 Originally Posted by HMUSN it's like racing a mach 1 .. not untouchable but still gonna lose plain and simple no matter how you roll the dice.

May 13th, 2008, 07:09 PM	#68
Casper98GT Hardcore Enthusiast Join Date: Aug 2005 Location: NEW HAMPSHIRE Posts: 2,316	Montana....So what REALLY happened. Trust me on this...if you bent a rod or broke a valve...there will be noise. If youre motor locks up solid in gear...its gonna make noise. I have a hard time beliving youre cant turn the motor over and yet it made zero noise just died. __________________ Ford/Toyota tech. -93 LX, X303 heads, F-cam, Trickflow u/l, 1.6 RR, FR wires, MSD cap/rotor, Elec. fan, a/c delete, smog delete, sn95 fuel rails with BBK regulator, 75mm TB and EGR, Vortech S-trim w/intercooler, 42lb inj/PMAS, 3.55's -

May 13th, 2008, 09:42 PM	#69
weems just another mod. 2003 Mustang Mach 1 12.9@109.3 Join Date: Aug 2006 Location: Macon, GA Posts: 2,231	It didnt make a noise. I was with him, why would he have a reason to lie on an internet forum? He wasnt in gear. He revved that high and then put his car in neutral to turn on my road. It died, he cranked it again, it ran fine for like 10-20 secs and then died again. __________________ Beautiful

May 13th, 2008, 09:43 PM	#70
ChrisJ MM Ninjas! 2002 Mustang GT SLOW Join Date: Jun 2006 Location: Williamsburg, Virginia Posts: 14,720	Talk to Casper98GT he will prolly figure it out...he is smart on this kind of $hit... __________________ My Junk www.myspace.com/cjobe

May 17th, 2008, 08:33 AM	#73
ChrisJ MM Ninjas! 2002 Mustang GT SLOW Join Date: Jun 2006 Location: Williamsburg, Virginia Posts: 14,720	I can tell you how confusing this $hit was when weems called me about it...I am really interested in finding out WTF it is... __________________ My Junk www.myspace.com/cjobe

May 18th, 2008, 01:51 AM	#74
Montanasvt Regular 01 Cobra Join Date: Oct 2007 Location: Macon, Ga Posts: 349	well hopefully it will be soon... i prolly wont have the motor out till next week... __________________

May 18th, 2008, 11:20 PM	#76
Casper98GT Hardcore Enthusiast Join Date: Aug 2005 Location: NEW HAMPSHIRE Posts: 2,316	If it made no noise at all....well i was going to type something but i just figured it out technicially. I was gonna say a broken timing chain that snaked its way down to the oil pan, and lock up the motor due to valve clearance. But that would 99% sure break or make a noise. Piston through the oil pan, or side of block would make a noise as well, and cause lots of problems. haha. even oil everywhere. Could have lost oil pressure to the top end and locked it up, but would have been an underlieing problem. Make sure to get pics when its found. haha __________________ Ford/Toyota tech. -93 LX, X303 heads, F-cam, Trickflow u/l, 1.6 RR, FR wires, MSD cap/rotor, Elec. fan, a/c delete, smog delete, sn95 fuel rails with BBK regulator, 75mm TB and EGR, Vortech S-trim w/intercooler, 42lb inj/PMAS, 3.55's -

May 19th, 2008, 05:04 PM	#78
bitemark46 Newbie Join Date: May 2008 Posts: 13	By chance did it have an aftermarket crank pulley? If so what kind? -Mark __________________ -Mark- 98' N/A Cobra (Stock longblock) 11.79 at 114.64 (1.56 60ft)

May 19th, 2008, 06:46 PM	#79
Doc8224 Hardcore Enthusiast 2003 Mach 1 Join Date: Oct 2007 Location: N.W. Arkansas Posts: 2,225	I think its just the valves. I had the same problem in my dohc eclipse. When the timing belt broke there was PTV and it bent the valves. It almost started once after that then I could turn it over by hand. we turned it backwards just a little bit and then tried to turn it over by hand and heard a little tap. Pulled the heads and sure enough it was 2 bent intake valves in the number 3 cylinder. I would seriously check the heads before you buy a new engine. Pull the timing cover off and just see if the chain is broke. If it is then maybe just pull the heads and see before you buy a new motor. __________________ *Under Construction* *Project N/A 4V Under Way* *Rep is always welcome*

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