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  • #1

    get it checked?

    long story short, we are swapping heads on a 99' DOHC 4.6
    should he bring them to a machine shop to be checked out (and probably have new valve seals and seats put it in the end)? The heads being swapped on are off of his old motor that had the lower end bite the dust, but I know the motor was great besides that.

    Do the job right the first time and get it refreshed even though they "appear" fine and ran fine before? Just trying to save my brother some $
    Originally posted by Buzzo
    Some dudes jump out of airplanes, I fuck hookers without condoms.

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  • #2
    They'll be fine.

    If you do anything just resurface them.

    320rwhp. 7.67 @ 90mph 1.7 60'

    DD: 2004 GMC Sierra VHO 6.0 LQ9 324whp 350wtrq

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    • #3
      Never assume that, I have bolted heads on that were fine before only to have low compression due to the valves. At this point, always use lapping compound on the valves at minimum.

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      • #4
        Yeah I've bolted on heads that were fine only to find out they were warped and blew a head gasket timing the motor.
        "When the people find that they can vote themselves money, that will herald the end of the republic." -Benjamin Franklin
        "A democracy will continue to exist up until the time that voters discover that they can vote themselves generous gifts from the public treasury." -Alexander Fraser Tytler

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        • #5
          JC do you take your heads over to those guys in Kaufman that rebuild motors & what do they charge you if you dont mind me asking. I got a set of AFR 165s I need to have checked out
          GOD BLESS TEXAS
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          • #6
            Originally posted by JC316 View Post
            Never assume that, I have bolted heads on that were fine before only to have low compression due to the valves. At this point, always use lapping compound on the valves at minimum.
            yea, i have heard of that happening, but I had never heard it on a first hand account. I'll bring them by arlington machine and have them resurfaced and install new seats & guides.
            Originally posted by Buzzo
            Some dudes jump out of airplanes, I fuck hookers without condoms.

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            • #7
              what producer should I pick them up from? I want them to last...
              Does FRPP carry them by any chance?
              Originally posted by Buzzo
              Some dudes jump out of airplanes, I fuck hookers without condoms.

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              • #8
                Drop them at the machine shop and let them tell you what the heads need, best way to go about it in my opinion.

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                • #9
                  Originally posted by crapstang View Post
                  yea, i have heard of that happening, but I had never heard it on a first hand account. I'll bring them by arlington machine and have them resurfaced and install new seats & guides.
                  Sure you want to spend 900 on a set of 99 cobra heads?
                  Full time ninja editor.

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                  • #10
                    Originally posted by SEB View Post
                    JC do you take your heads over to those guys in Kaufman that rebuild motors & what do they charge you if you dont mind me asking. I got a set of AFR 165s I need to have checked out
                    Motor Parts +? I have had them do machine work in the past and they are good at it. Reasonable prices too. Barry has been in business for as long as I can remember. Resurface on iron heads is like $30 and aluminum is $40.

                    Originally posted by crapstang View Post
                    yea, i have heard of that happening, but I had never heard it on a first hand account. I'll bring them by arlington machine and have them resurfaced and install new seats & guides.
                    I have done it twice now. Once a 3.8L taurus and once on a 3.8L buick.

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                    • #11
                      Hell, the 3.8L ford stuff in the windstar, tauras, cougar, and t bird were common to let a head gasket go just because they felt like it there for a while. I'd always recommend having a machine shop check a set while they are off.

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                      • #12
                        Yeah the 3.8L sucked.
                        "When the people find that they can vote themselves money, that will herald the end of the republic." -Benjamin Franklin
                        "A democracy will continue to exist up until the time that voters discover that they can vote themselves generous gifts from the public treasury." -Alexander Fraser Tytler

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                        • #13
                          Originally posted by shumpertdavid View Post
                          Hell, the 3.8L ford stuff in the windstar, tauras, cougar, and t bird were common to let a head gasket go just because they felt like it there for a while. I'd always recommend having a machine shop check a set while they are off.
                          Yeah I had a windstar that blew a headgasket and started smoking; which left me by the side of the road for tbe last time. Also pain in the ass to change spark plugs

                          Sent from my SGH-T999 using Tapatalk 2
                          First hand witness at the failure of public healthcare.

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                          • #14
                            Originally posted by Mr_Fiux View Post
                            Yeah I had a windstar that blew a headgasket and started smoking; which left me by the side of the road for tbe last time. Also pain in the ass to change spark plugs

                            Sent from my SGH-T999 using Tapatalk 2
                            HAHAHA it finally blew a head gasket?! I told you bitch! It has like 260k miles on it and he was driving me and some friends down to Austin in it, and we were all biting our nails.
                            "When the people find that they can vote themselves money, that will herald the end of the republic." -Benjamin Franklin
                            "A democracy will continue to exist up until the time that voters discover that they can vote themselves generous gifts from the public treasury." -Alexander Fraser Tytler

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                            • #15
                              Originally posted by CJ View Post
                              HAHAHA it finally blew a head gasket?! I told you bitch! It has like 260k miles on it and he was driving me and some friends down to Austin in it, and we were all biting our nails.
                              Yeah that van finally gave out at 287k miles

                              I got 600 for it though from a Mexican that wanted to fix it and take her down to good ol Mexico. But it gave me less shit than my jetta... ask Kyle how many times he has towed me.
                              Sent from my SGH-T999 using Tapatalk 2
                              First hand witness at the failure of public healthcare.

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