Which heads and cam?

Discussion in ''Da Nailhead' started by Houmark, Mar 8, 2015.

  1. Houmark

    Houmark Well-Known Member

    Hey..

    Im looking in to buy a ekstra set of heads for mild porting, and found this guy ( Really rare i Denmark ) that has 2 sets with different casting numbers..

    Which set is best, if theres any difference at all? I have an 1965 Electra 401"

    2 ea. cylinder heads #1185485 (1961-1964 - 364, 401, 425 cui.)


    2 ea. cylinder heads #1196914 (1959-1966 - 364, 401 425 cui.)


    Also, I was thinking about a cam swap togheter with the heads, but dont want to loose any performance in low rpm and still be worth the time and money.. So what is a good cam for that application?

    The car is now stock other than timing curve, 2x2" exhaust and 750cfm Edelbrock ( Doc mod will come when the heads will be changed )

    Thanks in advance
    Houmark ( Denmark )
     
  2. Bigpig455

    Bigpig455 Fastest of the slow....

    Houmark -

    I'm not sure either heads offers an advantage, I've don't recall anyone with a preference of one over the other - I have the 914's on my car, and they've run 14.5s in stock form with stiffer valve springs so that's my vote... plus I think they're obviously more correct for your car.

    Can't offer an opinion on the cam, in fact making that choice soon myself. Maybe some others will chime in here.....
     
  3. gsgtx

    gsgtx Silver Level contributor

    212-214 intake duration and 216- 218 exhaust duration @ 50. on a 110 LSA. that would keep the torque real good. with new valve springs a little more then stock pressure. should pull nice till 5000 rpms
     
  4. CameoInvicta

    CameoInvicta Well-Known Member

    I'd go with a decent split profile, something like 218*/228* @.050". Nailheads love extra exhaust duration. The TA25 from TA Performance would be a good choice if you don't want to get into a custom grind.
     
  5. gsgtx

    gsgtx Silver Level contributor

    Andy, what do you think of the TA-20?. because he wants to keep the torque high. 218*/218*. the TA-25 wants converter and gears, more over lap and rougher idle, but it will make more HP and power at a higher RPMS, all depends what he is looking for. all TA- cams need to be degreed in, they seem to be off towards being retarded.
     
  6. Houmark

    Houmark Well-Known Member

    If it comes down to choosing between the TA_20 and TA_25, I'l choose the smaller one, with the reason I don't want lower gears or higher stall.. Most of the time, the car will be cruising at ~40-65mph, I just want more power at disposal :Brow:

    I like working on my car, and been all the way round so it's the engines turn again :)

    Thank you all for chiming in..

    Houmark
     
  7. gsgtx

    gsgtx Silver Level contributor

    you might not need the bigger converter or gears with the TA-25. just think that what your doing the smaller cam fits better. I use to like the big spread between the intake and exhaust but it has its downside. if you have the right size intake duration, 4*-6* more on the exhaust is good. the 425 nail head can handle a one size bigger size cam then the 401
     
  8. Houmark

    Houmark Well-Known Member

    Is there any other companies, that makes cams for the nailhead.. Not just a replica of a grind for another engine, but one thats specific for the Nailhead?

    If nothing comes up, I think I will go with the TA_20, with new lifters and the TA_1440 valvesprings..



    Had a RPM performer cam in a mild 80 Chevy 350", and really hated the lack of brakes and stumple in low rpm, so I dont want a big cam again ( 254whp - 402nm )

    Thank you again..

    Houmark
     
  9. gsgtx

    gsgtx Silver Level contributor

    bullet cams have a lot of grinds. if you go with TA- 1440 stage 1 springs, I would us a 15 thousand shim for more pressure
     
  10. gsgtx

    gsgtx Silver Level contributor

  11. 64 wildcat conv

    64 wildcat conv Silver Level contributor

    Does anyone make an exact replica of the Superwildcat "091" cam? I am leaning towards something like that since it was an OE grind available to the public in the day. To me it has a history that I would like to experience.
     
  12. SpecialWagon65

    SpecialWagon65 Ted Nagel

  13. roadrunnernz

    roadrunnernz Gold Level Contributor

    ... or you can find Russ @ http://nailheadbuick.com/

    After lurking on this site for several years now and voraciously reading everything 'nailhead' my plan is as follows
    Replace mystery cam in my rebuilt engine and fit a 091 or the TA20 when I get the chance.
    This would mate up with a port matched, doc moded Qjet manifold, Toms roller rockers, rebuilt recurved dizzy and the already fitted ST400 and 3.23 posi, all expected to see mostly highway/cruising usage.
    I expect overtaking will be a blast :)
     
  14. snake

    snake Well-Known Member

    Roadrunnerz, that's my exact set up, but went with a custom grind Isky that's close to a 091 cam, 270 int dur 280 ex dur .469 int lift and 496 ex dur on a 110 LC of course I ported and polished the heads that compliments all mods.
     
  15. Houmark

    Houmark Well-Known Member

  16. gsgtx

    gsgtx Silver Level contributor

    they make the cams for TA. not a bad cam size. put it on 111 LSA. it will act a little bigger at idle then the bullet cam, a hair less bottom end. almost like the ISKY cam. but you will need to degree it in, the bullet cam you can get away with not degree. any cam company can grind a nailhead cam just need a company that has new nailhead cores. and most company have them
     
  17. Houmark

    Houmark Well-Known Member

    So if I read between the lines, the Bullet cam is the way to go for me? I havnt got all the stuff for degreeing the cam, and buying it will set me back at least 3x times the price in US ( Danish tax + Fees + Shipping )

    Where can I buy the Bullet cam, and which springs + lifters will go along?

    By degreeing the cam 4* advanced, will you pick up more tq at low rpm? Im not that much into cams, so Im glad you guys wanna help..


    Houmark
     
  18. gsgtx

    gsgtx Silver Level contributor

    no do not put it 4*advanced, it will have a 4* advance built it, they normally put it 4* but tell them 111 LSA on a 107 center line. they have the lifters too. get the valve springs from TA. stage 2. bullet racing cams they are the same as ultra dyne cams. e-mail techinfo@bulletcam.com phone 662-893-5670. hope I didn't talk you into it, but you will have a more modern and up to date cam, that should perform really well.
     
  19. whatever

    whatever Well-Known Member

    Ultra dyne cams were hauling like hell, as I heard. Thanks for the email, I couldn't find it on their website.
     
  20. Houmark

    Houmark Well-Known Member

    You didn't' talk me in to anything, it just seems that many companies have cams very close to each other's..

    Can't I get springs from Bullet? Shipping cost like $40 :(

    So just went with the feeling in my stumic..

    Will write them an email one of theese days.. :)

    Will a stock timing chain work, or should it be adjustable?
     
    Last edited: Mar 14, 2015

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