DOHC blown up @ Limerock...

[SVTOA]

Enjoy, I have to laugh otherwise I'd cry. This is dead DOHC#2 for me!

:cuss: Dead DOHC

 

[TurboEclipseGSX]

ouch, you should of heard my engine when the t-belt ripped, sounded like BLAKLABAKCLAK

 

[chassebr]

So, what went wrong?

 

[trplblacksnake]

yeah really what on earth went wrong. You werent even getting on it from what I saw. That really sucks.

 

[SVTOA]

So, what went wrong?

I suspect the oil pump gears shattered. Well-known weakness of the 4.6 DOHC and high rpm. Won't know for sure until teardown. I was turning right around 6500rpm when the motor let go. If you look carefully in the left hand corner you can see my autometer oil pressure gauge. It drops from normal WOT pressure of about 90psi to 0 in a fraction of a second. :gt:

 

[Ryan]

yeah that sucks. and probably a tad more expensive than a 2.5 doing that.........

 

[FoxFour]

Usually when you road race or do a lot of drag racing do you run into oil starvation problems and that damn oil pump gear. You seemed to be really calm in that video, at least you kept a cool head.

 

[svo1990mustang]

DAMN man that really, you looked a hell of alot more level headed than i would be!!

Darryl

 

[Stanger58]

Damn.... bummer Dave. Please keep us posted as you get into tear-down.

What group/club were you running with at Lime Rock? I'd like to get up to your part of the world and run some of those NE tracks (Lime Rock, New Hampshire and would love to see old Bridgehampton...)

Good luck on your rebuild... HHHHmmmm... just when IS Ford going to have that 5.0L DOHC crate motor available?? ;-)

See you on track! Or... more than likely, SVTOA's CLT...

 

[SVTOA]

Damn.... bummer Dave. Please keep us posted as you get into tear-down. What group/club were you running with at Lime Rock? I'd like to get up to your part of the world and run some of those NE tracks (Lime Rock, New Hampshire and would love to see old Bridgehampton...)

Hey Jeff,

Ya MAJOR bummer... :mj: I'll be sure to let everyone know what the root cause of the failure was once the teardown is complete. I was running with COM @ this event. Great club, very safety concious and excellent instructors for the students. www.comscc.com
Limerock is actually my least favorite although it's still a blast. It's more of a momentum track. NHIS is wonderful, Watkins Glen, and Summit Point as well. You've got to get out here and experience these tracks sometime. See you @ CLT...

 

[a 92 lx]

damn

couldnt get the vid to work for me. ...damn media player...

 

[TurboEclipseGSX]

why didnt it work, did you hear sound and no video?

 

[a 92 lx]

nah not even.. just said check the link or directory

 

[TurboEclipseGSX]

its time to upgrade my friend

 

[a 92 lx]

i know...i got windows xp on here but this is an old 450 amd machine...

 

[TurboEclipseGSX]

ohhh, go get yourself a dell, man these comps are awesome, you cant even hear them when you turn them on anyways, its bed time, laterz

 

[a 92 lx]

pops is buyin a dell for the kids and i will inherit this POS:shrug: :gt:

 

[TurboEclipseGSX]

ouch :cuss:

 

[NoRcAl CoBrA]

WHAT DID A NEW MOTOR COST YOU PLEASE LET ME KNOW

 

[SVTOA]

WHAT DID A NEW MOTOR COST YOU PLEASE LET ME KNOW

Still sitting in the garage on jackstands. @ least I have all winter to decide what to do with it. Right now I'm leaning towards either a forged/stroked 5.0L or possibly a 5.3L with billet oil pump gears and modified oil paths/journals. ModMax has a pretty good deal going on stroker kits right now. I'll keep you posted...