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  1. MatheusC20XE
    Post

    Sodium valves on 308

    I was broke valve retainer and valve spring of my 16V engine head.. but is not a Ferrari engine. Cheers, Matheus S. Almeida
    Post by: MatheusC20XE, Dec 1, 2006 in forum: Technical Q&A
  2. MatheusC20XE
    Post

    Sodium valves on 308

    VW AT Turboed engine.. Vauxhall/Opel C20XE engine(N/A and turboed version uses sodium filled exhaust valves).. Fiat Fivetech Turboed version.....
    Post by: MatheusC20XE, Dec 1, 2006 in forum: Technical Q&A
  3. MatheusC20XE
    Post

    Sodium valves on 308

    Well...you can put high rev, the problem is how many time you keep on it and the peak. On a fun of a trackday, you can keep 8000rpm from much...
    Post by: MatheusC20XE, Nov 30, 2006 in forum: Technical Q&A
  4. MatheusC20XE
    Post

    Sodium valves on 308

    off-course! For me, all engines have your special feature.. im a engine entusiast! Cheers, Matheus S. Almeida
    Post by: MatheusC20XE, Nov 28, 2006 in forum: Technical Q&A
  5. MatheusC20XE
    Post

    Sodium valves on 308

    Dr. Tommy, can you put more pictures of your engine for us can see? Thank you on advance!
    Post by: MatheusC20XE, Nov 28, 2006 in forum: Technical Q&A
  6. MatheusC20XE
    Post

    Sodium valves on 308

    wow.. that´s impressive!!!! You got me scared now..
    Post by: MatheusC20XE, Nov 28, 2006 in forum: Technical Q&A
  7. MatheusC20XE
    Post

    Sodium valves on 308

    Good info! I think the future, will be Iconel valves.. the problem is the cost of this special material(all valves of F1 race engines are...
    Post by: MatheusC20XE, Nov 28, 2006 in forum: Technical Q&A
  8. MatheusC20XE
    Post

    Sodium valves on 308

    lol!! Do you have certain that your engine don´t have rev limiter? What is your car ? Rev limiter is very very important! 10K rpm on two...
    Post by: MatheusC20XE, Nov 28, 2006 in forum: Technical Q&A
  9. MatheusC20XE
    Post

    Sodium valves on 308

    I think the problem is not only the air injection(or EGR system), and yes the rev operation like i said. If you rev it up always..working...
    Post by: MatheusC20XE, Nov 28, 2006 in forum: Technical Q&A
  10. MatheusC20XE
    Post

    help me decide !

    CL65 AMG is a nice car.. Good forced induction engine, but is a very very very heavy car(2030kg).. i think, the handle is not so good. But,...
    Post by: MatheusC20XE, Nov 28, 2006 in forum: Ferrari Discussion (not model specific)
  11. MatheusC20XE
    Post

    Sodium valves on 308

    The sodium filled valves have the big advantage of heat transfer, but have the problem of "two piece" made format. That is, the bottom of valve is...
    Post by: MatheusC20XE, Nov 27, 2006 in forum: Technical Q&A
  12. MatheusC20XE
    Post

    348 plugs

    well... Robert Bosch plugs are excellent too.
    Post by: MatheusC20XE, Nov 27, 2006 in forum: Technical Q&A
  13. MatheusC20XE
    Post

    308 QV head porting

    please, post pictures of this engine head inlet/exhaust ports.. :-)
    Post by: MatheusC20XE, Nov 27, 2006 in forum: Technical Q&A
  14. MatheusC20XE
    Post

    308 QV head porting

    because this i was use bronze guides ever, have bigger life than iron cast guides. And on exhaust ports at turbo engines, i don´t cut the...
    Post by: MatheusC20XE, Nov 27, 2006 in forum: Technical Q&A
  15. MatheusC20XE
    Post

    348 plugs

    Preference to Iridium eletrode type, have higher conductivity than copper, it´s mean higher energy spark. Cheers, Matheus S. Almeida
    Post by: MatheusC20XE, Nov 26, 2006 in forum: Technical Q&A
  16. MatheusC20XE
    Post

    308 QV head porting

    The Ferrari engine heads don´t have much to do like commom cars engine heads. The guide boss and seat troat was very optimized. The best that can...
    Post by: MatheusC20XE, Nov 26, 2006 in forum: Technical Q&A
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