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3.1L/3400 hybrid swap.

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  • #46
    Why do you need a custom thermostat housing?

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    • #47
      Bcc still sells them afaik but there's no reason you can't use the stock one with a different hose
      '89 Firebird, 3500 Turbo, T56, 9-bolt/4.11
      '86 Fiero, 3500, 4-speed

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      • #48
        Originally posted by caffeine View Post
        Bcc still sells them afaik but there's no reason you can't use the stock one with a different hose
        Ok I just thought i read that a new one had to be placed there but if I can get away with using the old and using a diferent hose then im ok with that. I think I will understand the placement of the parts much better once the engine is in the car. Pics on the internet are one thing but its always better to see it in person.
        BorgWarner S366 3.1/3100 Turbo Thirdgen
        1/4 mile best 11.59@119mph
        1/8 mile best 7.47@94.9Mph


        A 11.70 Pass https://www.youtube.com/watch?v=BoxC...aSKRMi9Jn94Ubg

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        • #49
          Just FYI the BCC stat housing won't work with the stock rad hose either
          '89 Firebird, 3500 Turbo, T56, 9-bolt/4.11
          '86 Fiero, 3500, 4-speed

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          • #50
            I know it's an S-10, but this is the stock thermostat housing to a stock (S-10) V6 rad:



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            • #51
              ahh I see. Thanks for the pics. My rad will enter on the opposite side of yours so it will make for a interesting turn.....
              BorgWarner S366 3.1/3100 Turbo Thirdgen
              1/4 mile best 11.59@119mph
              1/8 mile best 7.47@94.9Mph


              A 11.70 Pass https://www.youtube.com/watch?v=BoxC...aSKRMi9Jn94Ubg

              Comment


              • #52
                If you had a 2.8 rad the hose ports would be at opposite sides of the rad
                '89 Firebird, 3500 Turbo, T56, 9-bolt/4.11
                '86 Fiero, 3500, 4-speed

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                • #53
                  I may have to check the local yard for one. Sure would make it alot easier.
                  BorgWarner S366 3.1/3100 Turbo Thirdgen
                  1/4 mile best 11.59@119mph
                  1/8 mile best 7.47@94.9Mph


                  A 11.70 Pass https://www.youtube.com/watch?v=BoxC...aSKRMi9Jn94Ubg

                  Comment


                  • #54
                    If so grab the upper plastic rad mount as well because IIRC it's skinnier
                    '89 Firebird, 3500 Turbo, T56, 9-bolt/4.11
                    '86 Fiero, 3500, 4-speed

                    Comment


                    • #55
                      Ok will do. Thanks for the tip because I sure didnt know there was a difference in depth.
                      BorgWarner S366 3.1/3100 Turbo Thirdgen
                      1/4 mile best 11.59@119mph
                      1/8 mile best 7.47@94.9Mph


                      A 11.70 Pass https://www.youtube.com/watch?v=BoxC...aSKRMi9Jn94Ubg

                      Comment


                      • #56
                        3.1L/3400 hybrid swap.

                        Skinnier width wise I mean not necessarily depth... Although there could also be a depth difference.
                        '89 Firebird, 3500 Turbo, T56, 9-bolt/4.11
                        '86 Fiero, 3500, 4-speed

                        Comment


                        • #57
                          new block 5.jpgnew block.jpg

                          Made some progress over the weekend. I do have one question as i'm getting ready to order 6.287 and 5.937 inch push-rods. Do I use guides on my 3.1L iron block? If so which ones and how to I make that work? I wasent sure If I used them or not but I need to find out some info because I don't know If I need hardened pushrods or not.

                          Thanks for any info!
                          BorgWarner S366 3.1/3100 Turbo Thirdgen
                          1/4 mile best 11.59@119mph
                          1/8 mile best 7.47@94.9Mph


                          A 11.70 Pass https://www.youtube.com/watch?v=BoxC...aSKRMi9Jn94Ubg

                          Comment


                          • #58
                            Whether or not you use guides depends on what rockers you're using. If you're using the stock 3400 rockers, you can't use guides. If not, you will need to find a set of guides for a 93-95 3100, and I'm not even 100% sure those will work. As for me, I merely cut the iron head pushrod guides and mounted them. BUT, the iron head guides WILL NOT WORK in the corners of the cylinder heads without some sort of machining to the intake.

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                            • #59
                              If I'm looking at the picture with the head on the block, it looks like a roller fulcrum rocker, that is self aligning. No pushrod guide needed for that.
                              Last edited by The_Raven; 02-23-2014, 11:40 PM.

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                              • #60
                                yea there just 2002 3400 rockers so there fulcrum. Thanks
                                BorgWarner S366 3.1/3100 Turbo Thirdgen
                                1/4 mile best 11.59@119mph
                                1/8 mile best 7.47@94.9Mph


                                A 11.70 Pass https://www.youtube.com/watch?v=BoxC...aSKRMi9Jn94Ubg

                                Comment

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