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#1
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89 420 sel cylinder head rebuild
205k
planning to have my cylinder heads rebuilt: 6, 7 and 8 are all leaking some oil some questions: 1. Buy rebuilt or have mine rebuilt? Any suggestions for machine shops in Ohio? 2. I know how to check the rocker arms but have read that they should be replaced at this point with the mileage - thoughts? 3. Should I replace the ball studs as well and/or is there a check to determine if they need to be replaced? 4. Read how to check the cylinder head bolts for stretch. Am considering replacing all of them - a little expensive... Read a suggestion to order the bolts from a website like "boltdepot.com" - should these come from the dealership or can they be purchased elsewhere without concern? I have all the gaskets, guides, timing chain, tensioner, etc. (will remove the front cover as well), vacuum lines (once the intake is removed) - any other thoughts would be appreciated. thanks |
#2
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Have yours rebuilt.
Replace rockers and lifters only if wear warrants. I'd only use M/B bolts but would be very surprised if you'd need to replace any.
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![]() 90 300TE 4-M Turbo 103, T3/T04E 50 trim T04B cover .60 AR Stage 3 turbine .63 AR A2W I/C, 40 LB/HR MS2E, 60-2 Direct Coil Control 3" Exh, AEM W/B O2 Underdrive Alt. and P/S Pulleys, Vented Rear Discs, .034 Booster. 3.07 diffs 1st Gear Start 90 300CE 104.980 Milled & ported head, 10.3:1 compression 197° intake cam w/20° advancer Tuned CIS ECU 4° ignition advance PCS TCM2000, built 722.6 600W networked suction fan Sportline sway bars V8 rear subframe, Quaife ATB 3.06 diff |
#3
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all the heads i've had done over the years, they only needed guides and the occassional lifter. find a shop who's done benz heads in the past, they should know how to check the lifters and not mix things up so as to screw up the valve adjustment. good luck, chuck.
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#4
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Where are you located in Ohio?
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Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out. Check here for compatibility, diagnostics, and availability! (4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!) 82 300SD 145k 89 420SEL 210k 89 560SEL 118k 90 300SE 262k RIP 5/25/2010 90 560SEL 154k 91 300D 2.5 Turbo. 241k 93 190E 3.0 235k 93 300E 195k |
#5
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cylinder head rebuild
located in cleveland but would drive if necessary for this repair
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#6
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Heres where our cars have been going for 25+ years. Give them a call, see what they say
http://maps.google.com/maps/place?um=1&ie=UTF-8&q=carrs+warren,oh&fb=1&gl=us&hq=carrs&hnear=Warren,+OH&cid=3155837898008133913 -Kris
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Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out. Check here for compatibility, diagnostics, and availability! (4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!) 82 300SD 145k 89 420SEL 210k 89 560SEL 118k 90 300SE 262k RIP 5/25/2010 90 560SEL 154k 91 300D 2.5 Turbo. 241k 93 190E 3.0 235k 93 300E 195k |
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