Call from machine shop...shit...

[Burntz]

Tells me its warped by 8 thousands, and he'd have to take off another 15 thousands because of the firing groove? which means a total of 23 thousands.. and basically he told me he thinks the aluminum softenend, and i was like shit i was really hoping it didnt anneal.

and i pretty much fucked? whats the absolute max you can take off the 7mge head? i jus want to get the damn thing back together, and unless i can find a good head for like 150 bucks im going to scrap the whole damn car.

i figure if i machine it to the max, cover the gasket in copper spray and put it all back together it should at least seal for awhile

 

[IJ.]

Have them hardness test it before you spend another cent.

 

[Burntz]

oh good idea, i forgot to ask if they checked the cam tunnels as well

edit: i guess they dont have a hardness tester, but he "says" hes been doin it 25 years and he can tell its gone soft, apparently the metal o rings on the head gasket had dug into the head, hes goin to check the cam tunnels tomorrow to see if they're straight or not

whats the max you can safely machine the head down to though?

 

[Burntz]

 

[IJ.]

If it's soft chuck it in the recycle bin and get another.

 

[Burntz]

yea but see im kind of a broke college kid..

 

[IJ.]

Then a Supra is the exact wrong car for you sorry.

 

[Burntz]

yea thats y im tryin to fix it and sell it lol

 

[thechori]

you can get a good head for like $100-200, would it NEED to be machined? are you planning to run a MHG?

 

[Burntz]

nope im just running a composite gasket to get it running, its n/a and i just want to fix it so i can sell it and buy myself an old chevy truck.

anyone here go 1j or 2j and have an extra head? lol

 

[JustAnotherVictim]

1j and 2j heads will not work.
My n/a was cheap to maintain.
My money started disappearing once I got a turbo.

 

[Burntz]

no i meant did anyone go to 1j or 2j and have a 7m head sittin around lol.

does anyone know what you can machine the head max though?

 

[lagged]

i have a 7M head in excellent condition.

 

[Burntz]

well what're u wantin for it and where ya at?

 

[suprahero]

Send him a pm in case he doesn't check back in this thread. Good luck.

 

[BlackDynamite]

I got me 2 back up heads here, one that was taken off a motor with like 20,000 miles, thinking(back then when head gaskets started blowing out on these motors because of wrong torque ratios) that is was warped...hahah...50 bucks......so it shouldn't be hard to find...if you have a junk yard nearby go and do some diggin around...

 

[labrat469]

I know how you feel being a broke college student. The junkyard is your friend. A piece of advice. Make friends with the people who work in the junkyard. See if they need weekend help. You could end up with a job there. If you see the person pulling your core motor out of the car, buy him a coke and hand it to him as he is doing the work. A cold drink on a hot summer day can go a long way for getting little extras.

Peace and Engine Grease

 

[Asterix]

My head had 0.030" taken off it. Now I run mid-grade gas because of the increase in compression ratio.

A quick Googlin' suggests aluminum get annealed at over 300, and more like 400deg C. I doubt that happened unless you ran it a long time with no coolant in it.

Asterix

 

[lagged]

PM me if youre interested in the head i have. it is in excellent condition and has never been machined.

 

[Burntz]

well it was hot as hell out, the bypass hose under the dizzy blew out and yea, it got pretty dam hot. guy called and said the center of the cam tunnel is up about 8 thousands and the journals are smeared because the cam got hot.

so pretty much im gonna go scrap it at an aluminum place lol