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Previous Thread Next Thread Print Thread Rate Thread 4.2L Intake what da? #862200 01/23/08 04:34 AM Joined: Nov 2006 Posts: 23 Arcadia, CA poorboy4x4 OP Need a Spot Good day all, have a easy question, I think, on my 88 the number one piston spark plug keeps going out, and the intake bolt on that same piston keeps coming loose? can I or should I use lok-tite? and? whats the torque specs? im lost 88 YJ, 4.2L, WEBER 32/36, On 33" Dunlop Mud Terrain, 4.10 ratio, tru-trac locker in dana 35... Re: 4.2L Intake what da? [Re: poorboy4x4] #862201 01/23/08 05:38 AM Joined: Oct 2003 Posts: 7,768 Central Texas BigJim Web Wheeler How does the spark plug "going out" What do you mean? It backs out of the hole? As for loctight on the manifold bolt yes it is Ok. My GUESS is bout 40lbs torque on a manifold bolt. Big Jim <img src="/forums/images/graemlins/pfft.gif" alt="" /> professional bovine relocation specialist Re: 4.2L Intake what da? [Re: BigJim] #862202 01/23/08 07:03 AM Joined: Nov 2006 Posts: 23 Arcadia, CA poorboy4x4 OP Need a Spot it turns white and stops firing , I checked the compression, its good still 88 YJ, 4.2L, WEBER 32/36, On 33" Dunlop Mud Terrain, 4.10 ratio, tru-trac locker in dana 35... Re: 4.2L Intake what da? [Re: poorboy4x4] #862203 01/23/08 07:20 AM Joined: Oct 2003 Posts: 7,768 Central Texas BigJim Web Wheeler That sounds like the mixture is too lean on that cylinder.. Could be a result of the bolt backing out and sucking air into that cylinder.. The result is the mixture is so hot it is burning the plug up.. REPAIR IT! Having an intake leak can burn both valves and pistons.. Big Jim <img src="/forums/images/graemlins/pfft.gif" alt="" /> professional bovine relocation specialist Moderated by  4x4Wire  Hop To Mitsubishi Forums ------  Mitsubishi 4x4 and SUV Tech  Mitsubishi Diesels  Mitsubishi ArchiveToyota Forums ------  Early Toyota Trucks  Toyota 4Runner, FJ Cruiser &...  T100 & Tundra Forum  Tacoma Forum  Toyota Tech ArchiveJeep Forums ------  Jeep Talk  Jeep TechIsuzu Forums ------  Isuzu 4x4 & SUV Talk  Isuzu 4x4 & SUV Tech  Isuzu DieselsKia Forums ------  Kia Talk  Kia Sportage & Sorento TechOff Topic Chat ------  4x4 Gallery  Off-Topic Chat  Recreational Access & Land ...  Politics4xForums ------  Outdoor Gear  General 4x4 Discussion  Tools and Fabrication  General Communications  Amateur Radio  GPS and MapsParts Bin ------  Private Party - Garage Sale  Private Party - Items wanted  Vendors, Hot Deals, Group Buys4x4Wire Back Yard ------  Suzuki Forum  AZ Crawler Crew  Cal-Nev Crew  General Ford 4x4 & SUV Forum  General Dodge 4x4 & SUV Forum  General Chevy 4x4 & SUV ForumFeedback & Testing ------  Problems, Questions, Suggestions4x4Wire Staff ------  Forum Moderators  Problem Threads Print Thread Switch to Threaded Mode 5 Excellent 4 Good 3 Average 2 Bad 1 Terrible View Profile Private Message Follow User Forum Posts View Profile Private Message Follow User Forum Posts View Profile Private Message Follow User Forum Posts View Profile Private Message Follow User Forum Posts

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