53 willys

if you want to keep racing and you have the cash, I say build it now and be done with it
it would be a good ttime to block your rear freeze plug too.

tritont

That's the plan. The freeze plug has been done already. I'd would have preferred that blowing

53 willys

no kidding.......

dodgezilla04

i've had mine blow. i definately dont want to follow in your footsteps.
sorry for you bud.

Luvnacumns

I'm not laughing at you just though his post was funny.. It sucks your truck went kapooey but you play you pay!! Didn't mean to offend.. Sorry!!

madhat

Hey, tritont, I've been following this sad story... sorry about your woes. Could have happened to any of us... I'l keep my eyes peeled for a engine for you, but I don't have much faith that I'll find one while I'm working.

Good luck, brother. Love the way your truck looks, you've put a lot of time and effort into it. I'll be glad to read the post that says you have it up and running again.

Best of luck...
mad

Jim Dynomite

I've heard a lot of guys talk about running 1600* for a few seconds. Is this really ok to do?

It has me worried now, since I've done the same thing........... once. Although I am not nearly as modded as tritont.

Do you think the high temp did it, or was it too much timing?

.............Jim

53 willys

1600* is way to hot for stock pistons IMHO
my guess is the heat......
doesn't aluminum start to melt/distort at 1600*????

Jezzhuntin

Isn't it still under warranty? all kidding aside sorry to hear of your troubles. keep your chin up, you will have running soon. Wish I could help. best of luck!

dodgezilla04

alum melts at slightly under 1000*. iirc

trik396

Alum does melt at much less than 1600*. That is an exhaust gas temp and not the temp of the metals surrounding it. The incoming air/fuel cools the pistons and bore. Problem is, when you're running alot of timing and a stock turbo with a ton of fuel, your drive pressure is sky high. So when the exhaust valve opens, all the hot exhaust doesn't escape because of the high drive pressure (turbo inlet pressure). This keeps ALOT of heat in the bore and the incoming charge can't keep up the cooling... And bingo... pistons and stuff go pop...

dodgezilla04

also the ctd's have piston cooling nozzles in the main bearing webs spraying at the underside of the crown to help withstand the heat.

tritont

here you go guys.... the expected carnage............










nothing but parts now.....





not only a hole in it but, complete melted around the edge





A good piston for comparison......




#4 took the brunt of the heat. The valve seats I believe held as did the head gasket. There just a lot of heat scoring on the head and valves at #4.

53 willys

cool pics....that's a pretty good hole
thanks for sharing...sorry for the bad luck.

Hippie816

put some JB weld in it and go on. Do they make forged pistons for these motors?