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  • #91
    Yeah probably true, I went with the Manely servere duty from Intense Racing 1.9/1.57 supposed to be great for turbos.
    08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
    96' Camaro M5 to A4 conversion, alot of mods ,see Homepage. GT35R Turbo https://www.facebook.com/steve.starcher.18

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    • #92
      Originally posted by ssms5411 View Post
      Yeah probably true, I went with the Manely servere duty from Intense Racing 1.9/1.57 supposed to be great for turbos.
      Yea, if you're turbo, or even supercharged, boost takes care of air velocity for you , so you wanna open it up with big valves and increased flow. With n/a , like my set up, if I increased air flow with big valves and still relied on the engines natural ability to suck in air, I'd probly loose power cause my motor wouldn't be able to fill the cylinders fast enough. That's why in my porting both the intakes and the heads I'm not enlarging the ports any more than the gasket openings. I'm mostly concentrating on removing resistance in the runners to increase air velocity.

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      • #93
        LETZRIDE, Mike had the same valves in his but his cam was huge. Got 13.4 in the 1/4 mile.
        08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
        96' Camaro M5 to A4 conversion, alot of mods ,see Homepage. GT35R Turbo https://www.facebook.com/steve.starcher.18

        Comment


        • #94
          Nice, I dont know if I'll ever have time to get it to the track after the build, or for that matter if ill be able to convince the wife on track safety.. . Lol. But I'll be happy with it just being a ballsy street car that can take an 8 at a light.

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          • #95
            I had the larger valves N/A and they worked quite well. Like Steve said though, I had a pretty big cam. 13.4 run was out of injector and lean on the pass lol

            2002 SOM Z28 Camaro - 12.9 @ 104 mph
            1996 3800 Camaro - 13.43 @ 100.77 mph


            Project Cars | How To Guides | Scratch Repair | Synthetic Oil

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            • #96
              Started porting the exhaust side, huge difference from stock...
              Attached Files

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              • #97
                Nice.
                08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
                96' Camaro M5 to A4 conversion, alot of mods ,see Homepage. GT35R Turbo https://www.facebook.com/steve.starcher.18

                Comment


                • #98
                  That is a nice difference- looks like you removed quite a bit of material!

                  2002 SOM Z28 Camaro - 12.9 @ 104 mph
                  1996 3800 Camaro - 13.43 @ 100.77 mph


                  Project Cars | How To Guides | Scratch Repair | Synthetic Oil

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                  • #99
                    Finished porting the heads today. Polished the exhaust to 350 grit. The intake and combustion chambers to 80 grit. Next is to send em to the shop for a 4 angle valve job and resurfacing.
                    Attached Files

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                    • Finished porting the heads today. Polished the exhaust to 350 grit. The intake and combustion chambers to 80 grit. Next is to send em to the shop for a 4 angle valve job and resurfacing.
                      Attached Files

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                      • Nice, how much you gonna have them milled?
                        08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
                        96' Camaro M5 to A4 conversion, alot of mods ,see Homepage. GT35R Turbo https://www.facebook.com/steve.starcher.18

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                        • I was thinking .020
                          I might have them mill the guides by .035 too. I bought the manley retainers from intense, so technically I don't need to mill the guides, but I figure might as well while they're in the shop. just incase I ever decide to go with another set up in the future

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                          • Yeah .020 is kinda a lot since you can do about .035 max, mine were done .010 then another.005 after the valves were in. I’d do maybe .010.
                            08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
                            96' Camaro M5 to A4 conversion, alot of mods ,see Homepage. GT35R Turbo https://www.facebook.com/steve.starcher.18

                            Comment


                            • Then you don’t have to worry about custom pushrods and such,what size head gaskets you going with? I’ve milled mine .015 and stock head gaskets and Comp .105 pushrods stock 7.05 length . Been doing great so far.
                              08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
                              96' Camaro M5 to A4 conversion, alot of mods ,see Homepage. GT35R Turbo https://www.facebook.com/steve.starcher.18

                              Comment


                              • Originally posted by ssms5411 View Post
                                I’ve milled mine .015 and stock head gaskets
                                What compression did that give you?

                                Robert - owner www.FirebirdV6.com "Mid-life crisis? I'm way beyond that!"

                                1996 Black Firebird GTxxxRam Air V6 w/ M5xxxwww.FirebirdGT.com

                                Raven

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