Slant 6 Aluminum Performance Head

Slant 6 Engines

  1. jos51700

    jos51700 Well-Known Member

    Messages:
    5,075
    Likes Received:
    1746
    Joined:
    May 24, 2009
    Location:
    Bel-Ray
    Local Time:
    4:00 PM
    Search function? Google? Whuzzat?

    I drafted a hemi head for the slant six in the '90's for fun. Man, if I'd made them, can you comprehend how much money I'd have made since then?
    Less than I actually made, since then. That's how much.
     
    • Like Like x 1
    • Agree Agree x 1
    • slantsixdan

      slantsixdan =..=

      Messages:
      6,399
      Likes Received:
      1496
      Joined:
      Jan 7, 2007
      Location:
      Vancouver BC
      Local Time:
      2:00 PM
      A Sunday haiku:

      If only we could
      Make aluminum heads by
      Talking about them
       
      • Agree Agree x 3
      • Like Like x 2
      • Thanks! Thanks! x 1
      • Fredsgarage

        Fredsgarage Active Member

        Messages:
        38
        Likes Received:
        21
        Joined:
        Apr 24, 2019
        Location:
        San Leandro, CA
        Local Time:
        2:00 PM
        IF you don't Dream, then there is nothing to aspire to. Desire Fuels Ambition.
         
        • Agree Agree x 2
        • Thanks! Thanks! x 1
        • Killer6

          Killer6 Well-Known Member

          Messages:
          2,366
          Likes Received:
          757
          Joined:
          Mar 9, 2015
          Location:
          PA
          Local Time:
          4:00 PM
          No,....but by talking about them, especially for the Slanty, enough interested people may end up coming to more of a consensus on what it ought to be. When that occurs, there may be broad enough interest for someone to pull the trigger. Right now a cross-flow hemi-style etc. is not going to be a winner, it just ain't, & I would like those who insist on it to give Me a valid technical reason why....other than simply un-shrouding the valves.
           
        • moparblood

          moparblood Well-Known Member

          Messages:
          134
          Likes Received:
          33
          Joined:
          Dec 24, 2014
          Location:
          n.y.
          Local Time:
          4:00 PM
          i'm sure the great minds here can come up with a great head. but its the tool and die and costs.
          then at what price does it make it feasible that alot of slant6 guys would want it.
           
        • RustyRatRod

          RustyRatRod Weenie idiot loser. FABO Gold Member

          Messages:
          57,370
          Likes Received:
          26840
          Joined:
          Jun 7, 2010
          Location:
          Georgia
          Local Time:
          5:00 PM
          Mopar guys are cheapskates. Nobody would buy it except for the rich elite that have money they don't even know about. Mopar is a niche market to begin with. Narrow it down to just slant six stuff. Most guys that have that kinda money wouldn't look twice at a slant, so now you're talking about an even narrower market. It's not gonna happen unless some rich dude with a machine shop just gets bored and decides to do us a favor. In other words, it's not gonna happen.
           
          • Agree Agree x 2
          • moparblood

            moparblood Well-Known Member

            Messages:
            134
            Likes Received:
            33
            Joined:
            Dec 24, 2014
            Location:
            n.y.
            Local Time:
            4:00 PM
            So whats what a good price, lets say head,rockers etc. bolt on. head flows great, better performance, mpg's.
            and its lighter. would 500. for head. sound crazy?
             
          • Hyper_pak

            Hyper_pak Old School Chrysler Fan

            Messages:
            2,188
            Likes Received:
            1008
            Joined:
            Feb 14, 2010
            Location:
            Desoto Texas
            Local Time:
            4:00 PM
            I would think if the head is a very good improvement from a stock head that 1K would be a price that would sell.
             
          • MOPAROFFICIAL

            MOPAROFFICIAL Well-Known Member

            Messages:
            4,557
            Likes Received:
            3537
            Joined:
            Jun 1, 2016
            Location:
            Between a tit and an armpit
            Local Time:
            2:00 PM
            A lot of cheap skates wont even spend 800 for a ported head.
            Good luck
             
            • Agree Agree x 1
            • pishta

              pishta I know I'm right....

              Messages:
              15,928
              Likes Received:
              5668
              Joined:
              Oct 13, 2004
              Location:
              Tustin, CA
              Local Time:
              2:00 PM
              Cross flow hemi can get larger valves in there. Would need pent roof pistons to boot. How about just a mod to get us taller ports? Cross flow exhaust on passenger side, go to a Distributorless ignition system (EDIS, crank trigger, etc) and remote oil filter to clear up the passenger side and you'll have plenty of room for some hemi style downward pointing headers. Some college CNC final on the 5 axis Okuma with 2 billets of Aluminum, make it 2 piece: top and bottom with routed water passages between the 2. Send the finalized part to China and have them cast 1000 of them so you can get your tooling cost back and make a profit. Just make sure you look at the first one very closely to see if its worth a flip. Sounds like something Dutra could get Clifford to back. Youll probably sell 100...at $800? Edelbrock make a 4.0 AL head...$1500.
               
            • moparblood

              moparblood Well-Known Member

              Messages:
              134
              Likes Received:
              33
              Joined:
              Dec 24, 2014
              Location:
              n.y.
              Local Time:
              4:00 PM
              years ago i had an original a12 dodge i was trying to reproduce the aircleaner. it didn't work out. but someone did.
              At the time i assume alot of guys with a 6pack hood scoop would of wanted it. Only problem he was asking 1500. each. so that narrowed the field to about just a12 owners. never knew how many he sold!
               
              • Like Like x 1
              • kesteb

                kesteb Well-Known Member

                Messages:
                168
                Likes Received:
                67
                Joined:
                Feb 6, 2015
                Location:
                washington
                Local Time:
                2:00 PM
                An aluminum cylinder head for the Ford 170/200/250 six is $2250. This includes valves and springs. A head for our engines would be around the same price.

                Maybe the guys over here will build you one https://www.vintageinlines.com/ they already did one for the Ford 6 banger.
                 
              • RoadRaceJosh

                RoadRaceJosh Active Member

                Messages:
                30
                Likes Received:
                3
                Joined:
                Jun 23, 2009
                Location:
                SW Washington State
                Local Time:
                2:00 PM
                An aluminum slant six head is not going to happen. The number of people with the money, time and energy never did reach critical mass and the number of interested parties shrinks by the day. I road raced a '66 Dart with a 225 for a while in the late 1990s. I got tired of trying to build a decent oil pan just to get the engine to live. When it threw a rod I changed to a small block. I am just about 100% over the novelty of this archaic engine. Sure it was a breath of fresh air in the 1960s when compared to the siamese intake ports of GM and Ford 6s. The slant worked well for a long time, but I'm done with over paying for the performance it returns. I'm so over it I bought a 1994 Corvette.
                 
                Last edited: Dec 30, 2019
                • Agree Agree x 1
                • moparblood

                  moparblood Well-Known Member

                  Messages:
                  134
                  Likes Received:
                  33
                  Joined:
                  Dec 24, 2014
                  Location:
                  n.y.
                  Local Time:
                  4:00 PM
                  2 years ago i went to my machinist and asked if could rebuild a /6 for me. he could just never rebuilt one. he said no one rebuilt them.\they were so plentyful. you went to a wrecking yard and yanked one.
                  these motors were definitley taken for granted.
                   
                • MOPAROFFICIAL

                  MOPAROFFICIAL Well-Known Member

                  Messages:
                  4,557
                  Likes Received:
                  3537
                  Joined:
                  Jun 1, 2016
                  Location:
                  Between a tit and an armpit
                  Local Time:
                  2:00 PM
                  Briggs n Stratton will run forever too, so will my 51 ford flathead tractor.

                  They're outdated for performance.

                  You can get them to run quick, for what they are... but they'll always be what they are AND were designed as...economy car motors. Turbo them, they'll eat rod bearings sooner than later, nitrous...bent rods....high rpm oil pump gear goes out.... nylon distributor drive gear.

                  Love'em... but they stay behind to keep the fire going while the big boys go hunting for blue ovals and bowties
                   
                  • Like Like x 1
                  • Disagree Disagree x 1
                  • Killer6

                    Killer6 Well-Known Member

                    Messages:
                    2,366
                    Likes Received:
                    757
                    Joined:
                    Mar 9, 2015
                    Location:
                    PA
                    Local Time:
                    4:00 PM
                    What do You estimate the market size is for guys & gals still building/turboing/N2Oing Hondas/V-tecs.......??? Miatas....???? RRR said it, cheapskates have owned the Slanty market, Miata Guys/Gals will drop $2400 on a Quaife & R&P set-up w/o batting an eye to go faster, can We sell a Slanty head for that much that would double the stk. output just bolting it on??? All of those shortcomings You've listed are the same for every hi-output little engine, there is always more heat/pressure/stress to get the job done, and it takes $$$$ to address them.
                     
                    • Agree Agree x 1
                    • Charrlie_S

                      Charrlie_S Well-Known Member

                      Messages:
                      2,751
                      Likes Received:
                      635
                      Joined:
                      Oct 17, 2005
                      Location:
                      Silver Springs, FL
                      Local Time:
                      5:00 PM
                      Disagree.
                      Have had a turbo 170 slant since 1979, never ate a rod bearing. street/strip car 10-12 lbs boost
                      Sprayed a 170 a 225 HP and never hurt a rod. Pistons, yes
                      170 slant at 7,000 rpm never lost a oil pump or gear.
                      Nothing wrong with the nylon dist gear, very little load on it.
                      Most problems I have had is head gaskets, pistons/rings. Cause: detonation from a bad tuneup.
                      Your results may vary
                       
                      • Like Like x 2
                      • Thanks! Thanks! x 1
                      • MOPAROFFICIAL

                        MOPAROFFICIAL Well-Known Member

                        Messages:
                        4,557
                        Likes Received:
                        3537
                        Joined:
                        Jun 1, 2016
                        Location:
                        Between a tit and an armpit
                        Local Time:
                        2:00 PM
                        I was speaking for the 225, not the shorter stroke 'why bother' 170. Man.. even with a turbo them sons a bitches are SOFT...
                        See ... the 225 slant 'in stock form' is perfect...with thee exception of the exhaust manifold and induction....great motor... and the aluminum 225 was a great idea, I have one, but the open deck sucks and the liners separate at the tops from the die cast sleeves that capture them .....and then they leak at the head gasket cause of it.


                        Imho... if you really wanna help the slant, offer a new AL block that has a deck and then a cnc program for the existing head along with valves that gives 200 cfm by .500 lift...Last would be a solid roller...
                        Jmo
                         
                        • Thanks! Thanks! x 1
                        • RustyRatRod

                          RustyRatRod Weenie idiot loser. FABO Gold Member

                          Messages:
                          57,370
                          Likes Received:
                          26840
                          Joined:
                          Jun 7, 2010
                          Location:
                          Georgia
                          Local Time:
                          5:00 PM
                          But "by all that spent" you could have gone hot small block. And that comes from someone who LOVES me some slants.
                           
                          • Agree Agree x 2
                          • Thanks! Thanks! x 1
                          • my68barracuda

                            my68barracuda Well-Known Member

                            Messages:
                            980
                            Likes Received:
                            635
                            Joined:
                            Dec 6, 2009
                            Location:
                            Indianapolis IN
                            Local Time:
                            5:00 PM
                            Go look at .org
                            Numerous examples of turbo motors with out ‘bearing’ issues
                            Nitrous motors with out ‘bent’ rods
                            Rpm motors with out oil pump drive issues,,,
                            Drag cars that would blow your crap off the road,,
                             
                            • Agree Agree x 2
                            • RustyRatRod

                              RustyRatRod Weenie idiot loser. FABO Gold Member

                              Messages:
                              57,370
                              Likes Received:
                              26840
                              Joined:
                              Jun 7, 2010
                              Location:
                              Georgia
                              Local Time:
                              5:00 PM
                              Who was the member here who had a record setting slant? MadMax wasn't it? His stuff was brutal. Mark I think is his name?
                               
                            • MOPAROFFICIAL

                              MOPAROFFICIAL Well-Known Member

                              Messages:
                              4,557
                              Likes Received:
                              3537
                              Joined:
                              Jun 1, 2016
                              Location:
                              Between a tit and an armpit
                              Local Time:
                              2:00 PM
                              Met mark. His shit blew up. Great guy and built a bad ass slant... but that's like me with a 426 aspiring to top fuel hp... lmfao.

                              "Keep dreaming nerds" is my 1st thought, but I was there once. No worries
                              Fwiw I get 195-205cfm int/145 exh cfm out of a slant head with 1.70/1.44 valves. I'm not trying for it all...but that's a decent amount of work.
                              Now put it perspective..That's like a ported 1.78/1.50 318 head ... now take 2 cylinders away...make the others tiny and choke it indiction/exh...wahala the 170 slant.
                               
                              Last edited: Dec 31, 2019
                              • Like Like x 1
                              • Thanks! Thanks! x 1
                              • MOPAROFFICIAL

                                MOPAROFFICIAL Well-Known Member

                                Messages:
                                4,557
                                Likes Received:
                                3537
                                Joined:
                                Jun 1, 2016
                                Location:
                                Between a tit and an armpit
                                Local Time:
                                2:00 PM
                                Sorry but none of your nerd machines could blow anything "off the road" other than tumble weeds after I go flying past you and the draft alone throws your pos soap box racer into a fkn ditch.
                                My gawd, is this funny.
                                You really saying silly shit like that now? Lmao
                                 
                              • MOPAROFFICIAL

                                MOPAROFFICIAL Well-Known Member

                                Messages:
                                4,557
                                Likes Received:
                                3537
                                Joined:
                                Jun 1, 2016
                                Location:
                                Between a tit and an armpit
                                Local Time:
                                2:00 PM
                                Its really about usable range, if it takes wot all the time ...well...that isnt worth diddly onthe street

                                Need a considerable amount if cid to be in the zen range..:D
                                 
                              • RustyRatRod

                                RustyRatRod Weenie idiot loser. FABO Gold Member

                                Messages:
                                57,370
                                Likes Received:
                                26840
                                Joined:
                                Jun 7, 2010
                                Location:
                                Georgia
                                Local Time:
                                5:00 PM
                                Anything will break if pushed to its limit.
                                 
                                • Agree Agree x 3
                                1. This site uses cookies to help personalize content, tailor your experience and to keep you logged in if you register.
                                  By continuing to use this site, you are consenting to our use of cookies.