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#1
10-09-2007, 04:46 PM
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What constitutes a "good" head
I pulled the head off my 84 300D to be rebuilt and dropped it off at the machine shop. They cleaned it up and magnafluxed it and found some cracks. So I searched and found a yard to ship a used head to the machine shop. They magnafluxed it and found some cracks. Head was guaranteed warp- and crack-free, so the yard sent another one. Machine shop magnafluxed it and found cracks. Yard has agreed to take them both back and refund my money. None of the heads were pressure tested. Does a crack-free head exist? I'm hesitant to install a head with a crack, even if it does pass a pressure test. I realize that Metric Motors would ship me a beautifully rebuilt head, but the car doesn't merit the investment.
Thanks, K.C. 84 300D 260K 
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#2
10-09-2007, 04:48 PM
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Whoops - title of thread fooled me.
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BENZ THERE DONE THAThttp://www.peachparts.com/shopforum/...c/progress.gif 15 VW Passat TDI 00 E420 98 E300 DT 97 E420 Donor Car - NEED PARTS? PM ME! 97 S500 97 E300D 86 Holden Jackaroo Turbo D 86 300SDL (o\|/o)
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#3
10-09-2007, 04:48 PM
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A good head has no cracks. Find another yard.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K
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#4
10-09-2007, 04:59 PM
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Quote:
I think a good head should be crack free.
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1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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#5
10-09-2007, 05:02 PM
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Quote:
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83 SD 84 CD
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#6
10-09-2007, 05:24 PM
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Cracks can be OK
A head with cracks might be OK. It depends where the cracks are. If the crack grows, what might leak, and where it might leak to.
If most of these heads are cracked, and the engines were running OK beforehand, then there may be no problem. Of course, it's better to obtain a crack free head, but if none are available, you might have to rebuild the engine with a cracked head.
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#7
10-09-2007, 06:15 PM
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Quote:
At this point in my life, "any"...............  
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Jimmy L. '05 Acura TL 6MT  2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China"  Scar engine installed'81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John
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#8
10-09-2007, 07:32 PM
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Couldn't possibly be "magnafluxedr" error could it? these heads are pretty tough, think I'd have it checked someplace else just for fun.
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 1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car"
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#9
10-09-2007, 07:39 PM
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Well, If the girl is a little inexperienced, or reluctant, there's the possibility the head will not be good. In some cases however, it just comes naturally to them, experienced or not. It's really hit or miss. It also depends on the guy's preferences to make the determination. If she satisfies your buddy, it doesn't mean she'll do good for you...UHHMM, I just realized you were referring to something along the lines of mechanical things....OOOPSSEE!!
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#10
10-09-2007, 07:40 PM
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Quote:
John
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Certified Registered Nurse Anesthetist (CRNA) 2002 F250 powerstroke with Plantdrive WVO conversion 1983 300SD 190K miles ,sold 2006 E320 CDI
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#11
10-09-2007, 09:15 PM
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Now what's all this about crack heads?
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#12
10-09-2007, 09:34 PM
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1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200
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#13
10-09-2007, 10:10 PM
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Quote:
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#14
10-10-2007, 08:33 AM
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Quote:
__________________
Michael LaFleur '05 E320 CDI - 86,000 miles '86 300SDL - 360,000 miles '85 300SD - 150,000 miles (sold) '89 190D - 120,000 miles (sold) '85 300SD - 317,000 miles (sold) '98 ML320 - 270,000 miles (sold) '75 300D - 170,000 miles (sold) '83 Harley Davidson FLTC (Broken again) :-( '61 Plymouth Valiant - 60k mikes 2004 Papillon (Oliver) 2005 Tzitzu (Griffon) 2009 Welsh Corgi (Buba) 
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#15
10-10-2007, 04:31 PM
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Quote:
__________________
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