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    34 Posts
    Hey Charlie, I have 460 SCJ heads and I need a set of the adapters to run the bbc round flange headers. Do you still make those? If so, how much? Thanks, John

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    3,958 Posts
    Phil,

    No they can't. You would need longer valves, talller rocker studs and they are just way too much valve spring for the A-429 CobraJet heads. Chnage the springs.

    Charlie

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    97 Posts
    Charlie,
    Posted some pics of heads. Based on what you see can these heads accept 948's installed at correct spring height you mentioned ?

    Thx
    Phil

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    3,958 Posts
    Woody 79,

    Yes, I have ported several sets of the old style heads. In fact we have some of them in here right now. The short side radius is the area that needs a lot of work in order to help them.

    Charlie

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    19 Posts
    Charlie I have a set of old style A heads. Was wondering if you had any luck making those heads flow. They are going on 485 ci motor for truck pulling, if so I need to visit you.

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    138 Posts
    Charlie- Scott tells me you di a trick motor with a small cam and TFS streets and dyno'd it, from his memory it was: 600+tQ and 470+ power and only 9:1. Do you have any key words that will let me find it on the board? I am just not finding it

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    1,102 Posts
    hello
    i need ya buddy
    i was gonna call ya but i hate to bother anyone on a sun
    would you please go to brouns site and check out my post in the tech on my deck height issue and my options
    this is the reason my heads havent made it to you yet
    i am not gonna spend any cash on anything till i get this issue figured out 1st
    thanxs
    jesse

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    84 Posts
    Hi Charlie,
    The heads are on their way. Any ?'s you can call me or send me a message.

    Thanks
    Melvin,

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    3,958 Posts
    Clay,

    Thus far IMO, you have not committed any errors that you need to worry about. I believe many times that ARP gives misleading torque info, in regards to their products. On final assembly I would just torque the alum. heads to 135 lbs with oil on the threads. Maybe let things set overnight and go back and check the center studs, because they seem to loosen up in my experience.

    Hope this helps,
    Charlie

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    91 Posts
    Hi Charlie,
    I'm using a set of ARP head studs for my new engine and I have a question. I'm tall filling the block with hard block and installed the studs along with an old head gasket and TFS a460 head to pre-stress the block while it sets up. Not knowing any different I torqued it to 140 lbs. Then I found the instruction sheet that came with the studs. It explained that the proper torque would be 144 lbs w/arp moly lube ( which I used ). It then went on to say that to account for the expansion of aluminum components, one should torque to 115 lbs. My question is, am I ok to pre-stress the block at 140 lbs during the hard block process ( since the engine will be cold ) and then torque to 115 lbs for final assembly? Or do I have it all wrong?

    Thanks in advance,
    Clay

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    3,958 Posts
    Hari,

    My e-mail address is; Evans_charlesd@bellsouth.net

    My phone # is (270)685-4654

    Thanks,
    Charlie

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    5 Posts
    Hi Charlie.I've tried to contact you few times via your web and email but no sucsess.I want you to build me an engine.Could you please get in contact with me so we can talk further.

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    320 Posts
    A customer of your bought some SJCA heads from me to be ported. Named Giacone hope I spelled that right. should be there wendsday

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    3,958 Posts
    Alan,

    Are your valves titanium or stainless steel? The weight of the valves is a factor in choosing the correct spring for you. If they are titanium, then your choices are;

    Manley NexTek # 221449-16
    Comp Products # 98049
    Comp Cams # 26028
    CV Products # PSIDR1249

    They all are 1000+ lb springs and they are not cheap.

    Hope this helps,
    Charlie

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    262 Posts
    Hi Charlie,
    we have emailed in the past about a 715 CI that i am in the process of building.
    Any how, I am trying to find some valve springs for my application.
    C 460 head 2.20 installed height, 1.645 od.
    Cam is 918 lift and next year i want to install a 950 or more lift.
    I found a broken sping and am wondering if 1 broke, how long till the rest break? Don't want to slap a valve or worse drop 1.
    The closed pressure is currently 340 and 980 open, these are the results that i got from testing them.
    This engine will see a max of 6800 at the other end and shifted at 6000-6400. I am wanting use the softest spring for valve train reliability but realize i need a fairly heavy spring to keep the valves closed with that much lift.
    Anyhow, can i get your thoughts and a price if you have something in mind for a good spring.
    Thanks
    alan
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