-
Desperation, fear, and loathing in Maine. Need a 12 mm mechanical head.
by
shwak23
on 13 Mar, 2013 13:20
-
Well my head is warped. So I need a 12mm mechanical head. Desperate. I don't have have a ton of money. Can anyone out there please help me out? This is my only car and living in Maine without a car is like being on the moon without a spacesuit.
I am either going to buy a head or a revolver with one bullet.
And these days it seems like it may be easier to find the head.
Thanks.
Text or call if you would like. 207 310 067eight
Sent from Outer Space!
-
#1
by
burn_your_money
on 13 Mar, 2013 13:24
-
How warped is it? You can get it machined if it's not too bad.
-
#2
by
shwak23
on 13 Mar, 2013 14:40
-
O rly? What's the cost involved in that? My budget is around $200
Sent from Outer Space!
-
#3
by
RabbitJockey
on 13 Mar, 2013 14:53
-
also how warped is it? a guy i know bought a rabbit that had been severely over heated, the head was warped .010" and he just reinstalled it with no issues so far. it might be worth a shot to reinstall it if it's 10 or less
-
#4
by
ORCoaster
on 13 Mar, 2013 15:35
-
I was recently quoted a 115 dollar price for pressure checking and milling on an 11 mm head I have. Price in Portland, OR.
I may exchange that work for the lower end of the diesel engine I have sans all internals. Guy needs to bore it out and install his parts. Just cracked the block after doing all the work.
-
#5
by
burn_your_money
on 13 Mar, 2013 16:16
-
I paid around $80 a few years ago to have my head shaved 0.004.
If you are attempting to use a metal gasket your head must be flat. I had one leak immediately upon startup with a 0.004" warp. I've also had the fiber ones leak with warped heads. I forget how warped it was though
-
#6
by
ilikevwdiesel
on 13 Mar, 2013 16:39
-
pull the head and check the warpage. if it's less the 010 put it back together with a 3 notch gasket and new bolts. oh yeah, one more thing: don't let it get hot again.
-
#7
by
burn_your_money
on 13 Mar, 2013 17:07
-
I don't have a Bentley in front of me right now but I'm pretty sure the spec is 0.004" or 0.10mm max warpage. Do not attempt it if you are warped more than that, it is highly unlikely to seal. Also, use the proper sized head gasket, it does matter.
-
#8
by
745 turbogreasel
on 13 Mar, 2013 17:53
-
A little bird once told me if they are warped long ways, you can press them straight, YMMV
-
#9
by
shwak23
on 13 Mar, 2013 22:05
-
Where does one find a head presser?
Sent from Outer Space!
-
#10
by
CRSMP5
on 13 Mar, 2013 22:07
-
200$ budget not going to get you much..
i have one.. no history.. do not like how it looks to have had a valve seat installed.. so 125$ shipped.. came w/car i got.. in tub in back... i just do not trust it as someone changed a valve seat at 1 point..
ive seen stuff like that fail.. so do not trust for myself..
but it looks crack free and ll besides that.. just you gotta trust a machine shop did it right.. i dont..
-
#11
by
745 turbogreasel
on 13 Mar, 2013 22:11
-
shop press or big weight....
If you straighten it, the cam journals don't get out of whack like if you skim a warped head.
-
#12
by
libbydiesel
on 14 Mar, 2013 10:58
-
If you have more time than money, you can flatten the head gasket surface by lapping the head with lubricated 100 grit sandpaper on something hard and flat (e.g. polished granite). That's easier on the pre-chamber inserts than running a cutter across them and will leave them a little proud due to their harder material which is what you want. I've used sandpaper for a hardwood floor sander. Pieces as large as the head should be available at any tool rental place that rents drum sanders.
-
#13
by
shwak23
on 14 Mar, 2013 15:05
-
200$ budget not going to get you much..
i have one.. no history.. do not like how it looks to have had a valve seat installed.. so 125$ shipped.. came w/car i got.. in tub in back... i just do not trust it as someone changed a valve seat at 1 point..
ive seen stuff like that fail.. so do not trust for myself..
but it looks crack free and ll besides that.. just you gotta trust a machine shop did it right.. i dont..
I will certainly keep this in mind as I go along here. Thx.
If you have more time than money, you can flatten the head gasket surface by lapping the head with lubricated 100 grit sandpaper on something hard and flat (e.g. polished granite). That's easier on the pre-chamber inserts than running a cutter across them and will leave them a little proud due to their harder material which is what you want. I've used sandpaper for a hardwood floor sander. Pieces as large as the head should be available at any tool rental place that rents drum sanders.
Thanks for giving me something that is right up my alley. I do have way more time than money.
I just remembered last night my friend rebuilds engines for a living. He may be able to check the head/ fix it for free. But we shall see.
Sent from Outer Space!
-
#14
by
CRSMP5
on 14 Mar, 2013 23:14
-
well i got access to a paypal acct... ups is 10min away... so just let me know... bbob can look at it for you too.. i expect to see him tues evening.. i know he has "looked" at it.. but ive never pointed out its flaw to him..
i will remove the cam pre shipping.. do not need idiots to drop it to damage a valve.. had that issue 12 years ago.. sadly never saw damage till it dropped a valve
which ruimed the engine.. and for how it was packed still do not get how damage occured.. so cam will be removed..