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Previous Thread Next Thread Print Thread Rate Thread Thorley header question - 89 4Runner #419959 03/18/04 02:15 PM Joined: May 2003 Posts: 395 Gainesville, GA Runner-Man OP Mudrunner I just found a crack in the exhaust manifold of my 22RE in an '89 4Runner with manual trans. Does anyone know which Thorley header will fit this application? The tech at Thorley said they only made headers to fit through 1987, and he didn't know why they didn't make any to fit 1989 models. I personally can't think of any differences, but I'm not sure. So, do any of you guys out there have Thorley headers on a 1989 4Runner? Re: Thorley header question - 89 4Runner [Re: Runner-Man] #419960 03/18/04 02:22 PM Joined: Aug 2001 Posts: 2,941 Las Cruces, NM DRTDEVL J Roll Me Over Try out the 1987 one... The only possible differences would be: A) Air Injection. Do you have it? B) O2 sensor. How many do you have? My 87 has no air injection, and 1 O2 sensor. If yours matches this description, then go for it! "A young man who does not have what it takes to perform military service is not likely to have what it takes to make a living." - John F. Kennedy Proud owner of an 88 Montero (with a blown engine). Re: Thorley header question - 89 4Runner [Re: DRTDEVL] #419961 03/18/04 03:12 PM Joined: May 2003 Posts: 395 Gainesville, GA Runner-Man OP Mudrunner Yeah, I thought so. My 4Runner has no air injection. It does have an EGR pipe that connects to the manifold at the head, and my single O2 sensor is in the pipe just in front of the catalytic converter. Moderated by  4Crawler, 4x4Wire, kewlynx  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

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