Register now to get rid of these ads!

Projects 63 fairlane build **Camshft 1-3 build starting on pg 4**

Discussion in 'The Hokey Ass Message Board' started by 1twisted1, Mar 30, 2013.

  1. JeffB2
    Joined: Dec 18, 2006
    Posts: 8,678

    JeffB2
    Member
    from Phoenix,AZ

    Last edited: Jun 6, 2013
  2. 1twisted1
    Joined: Nov 26, 2011
    Posts: 146

    1twisted1
    Member
    from michigan

    Well i will not be using this cam. I think I'm going to use one of the following: Comp cams XE274H or N+271H, N+271S or C30ZS. any thoughts on these or real world use.

    thanks in advance
     
  3. JeffB2
    Joined: Dec 18, 2006
    Posts: 8,678

    JeffB2
    Member
    from Phoenix,AZ

  4. 1twisted1
    Joined: Nov 26, 2011
    Posts: 146

    1twisted1
    Member
    from michigan

    thanks for the heads-up Jeff!! does not have to be comp cams just like those cam profiles will probably go with the Howard's have heard good this about them. anybody ever had any issues with a Howard camshaft???
     
    Last edited: Jun 9, 2013
  5. 1twisted1
    Joined: Nov 26, 2011
    Posts: 146

    1twisted1
    Member
    from michigan

  6. powrshftr
    Joined: Mar 29, 2013
    Posts: 4,550

    powrshftr
    Member

    Something doesn't seem right with that cam....It looks to me like they got the specs mixed up in the catalog to include duration#s from one place,and lift #s from another cam.....those lift specs look crazy high for a flat tappet cam....unless they misnamed it in the listing and its a solid roller.....Usually a cam with .050" duration around 230* ends up with .510"-.520" lift.....


    Posted using the Full Custom H.A.M.B. App!
     
  7. powrshftr
    Joined: Mar 29, 2013
    Posts: 4,550

    powrshftr
    Member

    For a sbf anyway...


    Posted using the Full Custom H.A.M.B. App!
     
  8. 1twisted1
    Joined: Nov 26, 2011
    Posts: 146

    1twisted1
    Member
    from michigan

    Howard's web site shows the same specs for 210542-08, I found the cam on there site first but could not get the spec to copy on to the site.
     
  9. JeffB2
    Joined: Dec 18, 2006
    Posts: 8,678

    JeffB2
    Member
    from Phoenix,AZ

    With that amount of lift be sure you get the matching springs and convert to screw in studs and better rocker arms than stock.
     
  10. 1twisted1
    Joined: Nov 26, 2011
    Posts: 146

    1twisted1
    Member
    from michigan

    already have springs good to .600lift, screw in studs with roller rockers.
     
  11. mtkawboy
    Joined: Feb 12, 2007
    Posts: 1,213

    mtkawboy
    Member

    Modern cams will out perform the old factory stuff. Give Comp Cams your engine specs etc & let them spec one out for you. Youll be much happier with it.
     
  12. 1twisted1
    Joined: Nov 26, 2011
    Posts: 146

    1twisted1
    Member
    from michigan

    already did that Have contacted Comp Cams and worked out a custom grid Solid lifter also.

    Specs are

    110 Lobe Sep
    Dur@50 230 IN 236EX
    valve lift .522in .536ex
     
  13. JeffB2
    Joined: Dec 18, 2006
    Posts: 8,678

    JeffB2
    Member
    from Phoenix,AZ

    I like the 108 lobe center as opposed to a 110-112 on a SBF(also sounds a little more wicked), also degreeing it 4 degrees advanced will bring in low and mid-range torque a little earlier.You might consider this also:http://www.summitracing.com/parts/lun-10350704/overview/make/ford You can order any of the cams with the 351W firing order also used on late 5.0 H.O.Fords there is an advantage in doing so,here are some good reads on why:https://www.google.com/search?newwi...3349.0j27.27.0...0.0...1c.1.17.hp.asnr3Kme0bU
     
    Last edited: Jun 11, 2013
  14. powrshftr
    Joined: Mar 29, 2013
    Posts: 4,550

    powrshftr
    Member

    That's true,but you'd be surprised how well an old cam from the '60's performs,when it was originally designed by an engineering group that is part of a multi-billion dollar company,for the owner's pet project,to settle a vendetta at the biggest 24hr endurance race on the planet.....:)


    Posted using the Full Custom H.A.M.B. App!
     
  15. powrshftr
    Joined: Mar 29, 2013
    Posts: 4,550

    powrshftr
    Member

    That's weird...it was supposed to have a quote with it....the one about the modern cams...


    Posted using the Full Custom H.A.M.B. App!
     
  16. 1twisted1
    Joined: Nov 26, 2011
    Posts: 146

    1twisted1
    Member
    from michigan

  17. powrshftr
    Joined: Mar 29, 2013
    Posts: 4,550

    powrshftr
    Member

    That's a bit shorter on duration than I would have chosen,but I'm a bit of a caveman...lol!
    With 220 duration,and that tight lobe separation,I think you may have picked a winner though.It will have decent street manners,and should make pretty explosive midrange power,and idle with a really nice,tough sounding lope to it.The lift is high enough that it should make some pretty serious torque for a small engine.
    Keep us posted when you stab it in the motor!Im really anxious to see how it performs.

    Scott


    Posted using the Full Custom H.A.M.B. App!
     
  18. hoop98
    Joined: Jan 23, 2013
    Posts: 1,363

    hoop98
    Member
    from Texas

    I would verify the lobe lift, if 543 with 1.6 @ 220 is true that's a hell of a cam.
     
  19. powrshftr
    Joined: Mar 29, 2013
    Posts: 4,550

    powrshftr
    Member

    I was thinking that too...almost looks like 1.7ish numbers,or a roller...The other Howard's cam had unGodly high lift for its duration....maybe they have a glitch in the catalog?I would expect a 220 dur to be right around .490"-500"ish for a flat tappet.....I have a 228* thats .512" lift...?
    If its true that that spec is for a 1.7 ratio,with a 1.6 it should be right around .510",which seems about right.
     
  20. 1twisted1
    Joined: Nov 26, 2011
    Posts: 146

    1twisted1
    Member
    from michigan

    The specs on that cam were given to me straight from a persons(john) mouth no catalog.

    When i asked about the odd duration vs lift has said that it was not a error. he said that they don't make cookie cutter cams and that the Duration vs lift had to do with high ramp rates working well a sbf .874 lifter size. i don't get it but that's why i asked these questions and called a cam guy.
     
  21. hoop98
    Joined: Jan 23, 2013
    Posts: 1,363

    hoop98
    Member
    from Texas

    I think I found the lobe specs;

    [​IMG]

    Seems to be right on, cool!
     
    Last edited: Jun 11, 2013
  22. 1twisted1
    Joined: Nov 26, 2011
    Posts: 146

    1twisted1
    Member
    from michigan

    hey hoop where did you get these spec??? i also see lash @.022 are these spec for a solid the howard's is a hydraulic.


    I'm not that SMRT when it cam to this cam math stuff i just make sure i ask a lot of question to the right people. And then ask some more.
     
  23. 1twisted1
    Joined: Nov 26, 2011
    Posts: 146

    1twisted1
    Member
    from michigan

    guess if you look hard enough you can find the answer to anything

    Q. Why should I care about the lifter diameter?
    A. A flat tappet camshaft's design is based on lifter diameter. The larger the lifter diameter the faster the rate-of-lift that can be designed into the cam lobe.

    Q. What does rate-of-lift mean?
    A. The rate-of-lift is the amount of tappet (or valve) lift in relation to the amount of degrees of crankshaft rotation.

    Q. Why do I want a fast rate-of-lift?
    A. The faster the rate-of-lift, the quicker and harder the air starts to flow in the port. This is the key to a longer, fatter power curve. This is why a roller cam works so well. It has a very fast rate-of-lift.
     
  24. hoop98
    Joined: Jan 23, 2013
    Posts: 1,363

    hoop98
    Member
    from Texas

    I fixed it!, That was the flat tappet spec. Check again, it's from Howards website

    http://www.howardscams.com/images/jdownloads/lobe list email.pdf
     
  25. powrshftr
    Joined: Mar 29, 2013
    Posts: 4,550

    powrshftr
    Member

    Engle grinds Chrysler cams with the same thing in mind....the Mopar lifter diameter is huge compared to the Chevy....that Howard's cam looks like its gonna be a snarly little bugger that should surprise a few Chevys...
    Hey,does
    That dude out on Walker road still have that R-Model GT-350..?I never saw that car when it wasn't sideways at about 7000rpm....Man I loved that car!


    Posted using the Full Custom H.A.M.B. App!
     
  26. JeffB2
    Joined: Dec 18, 2006
    Posts: 8,678

    JeffB2
    Member
    from Phoenix,AZ

    John gave you some sound advice,I think you'll be a happy guy.Maybe you can post a video with sound after you "Git Er Done"! ;)
     
  27. 1twisted1
    Joined: Nov 26, 2011
    Posts: 146

    1twisted1
    Member
    from michigan

    I'm starting to feel the same way. I can tell you this I will be sending business there way anytime i get the chance. Very refreshing to deal with a company that you can get a person on the phone in 2 mins and then get real help and answers to your questions with out feeling belittled or that they are just pulling them from a screen like your at autozone.

    +10 for Howard's so far i will let everyone know if this changes

    I will post a video once the cars up and running. thank for all the great feedback on my cam choices, that what makes form like this so great.
     
  28. 1twisted1
    Joined: Nov 26, 2011
    Posts: 146

    1twisted1
    Member
    from michigan

    Placed my order for the cam on Wednesday will keep you all updated.
     
  29. hoop98
    Joined: Jan 23, 2013
    Posts: 1,363

    hoop98
    Member
    from Texas

    Boogity-Boogity-Boogity!
     
  30. tapkoote
    Joined: Feb 6, 2013
    Posts: 70

    tapkoote
    Member

Share This Page

Register now to get rid of these ads!

Archive

Copyright © 1995-2020 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Terms of Service. Privacy Policy.

Atomic Industry
Forum software by XenForo™ ©2010-2014 XenForo Ltd.