sparky Posted February 24, 2012 Share Posted February 24, 2012 Hi everybody, I'm building a 383. It's a Gen.1 engine. It's in my car now. I am going to use A.F.R. heads, 195's. I am having a lot of difficulty finding a manufacturer that makes a 1 3/4" header for a Gen 1 small block chevy motor that will fit in 70 to 72 Monte Carlos. I guess they aren't as popular as Chevelles & Camaros. I need some help here. Thanks, Phil Quote Link to comment Share on other sites More sharing options...
RickWillson Posted February 24, 2012 Share Posted February 24, 2012 Hi Sparky, I have Headman Headers on my 350 and they seem to fit just fine. I am not sure the size, but I think they are 1 3/4" as well. Rick Quote Link to comment Share on other sites More sharing options...
dbreese Posted February 24, 2012 Share Posted February 24, 2012 Schoenfeld 186MCM-3 1 3/4" with a 3" collector They will work assuming the AFR's are a d port head. If not the 186M-3 will work with a standard port. I have the 186MCM-3 installed on my Profiler 210 (d-port) The passenger side fits great but will not work with the factory a/c box. You will have to install an a/c delete box, still can use the heater, or a delete plate if you don't want or need the heater. The drivers side required a very small ding in the number 6 tube to clear the steering shaft. They fit nice and tight underneath but you will need to use a short oil filter. As you can see I had ball flange connectors (Flowmaster) welded as the headers collectors are just straight. The will work with straight or angled plugs. I had them ceramic coated with a thermal barrier coat inside. The rest of the system is Torque Tech 3" with X pipe with tail pipes. Mufflers are Pypes Race Pros. For 179.00 bucks they are a great deal for off the shelf headers. David Quote Link to comment Share on other sites More sharing options...
Andy's Auto Posted February 24, 2012 Share Posted February 24, 2012 Chevelle headers are Monte headers. Same platform, but some manufacturers treat us like red headed step children. Quote Link to comment Share on other sites More sharing options...
jacob Posted February 24, 2012 Share Posted February 24, 2012 so you can put chevelle headers on a monte carlo? Quote Link to comment Share on other sites More sharing options...
dbreese Posted February 25, 2012 Share Posted February 25, 2012 Chevelle headers are Monte headers. Same platform, but some manufacturers treat us like red headed step children. Very true Andy with B/B but with the set-back of the s/b in the crossmember bigger primary header selection gets a lots more difficult. Usually you will have a primary tube interfere with the rear lower control arm boss on the passenger side. Not a problem with B/B monte's. Go ahead and say it" You should have put a B/B in it". David Quote Link to comment Share on other sites More sharing options...
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