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Thread: Cams gear?

  1. #1

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    Smile Cams gear?

    Hi all , Pease have you got a link to buy cams gear for the 6a13TT?

    Thank's a lot and Merry Chrismass

    Saf

  2. #2
    horndog's Avatar

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    One of the Oz guys has just been talking about them

    http://www.clubvr4.com/forum/showthr...ring-Cam-Gears

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    Thank you Sir

    Saf

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  5. #5

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    Hey Tomazs , thank's , Cams gear are already ordered ! The first tune will be +1 for intake and -3 for exhaust , this tune give a good power for the 6G72 with stock cams.

    Saf

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    Adam.Findlay's Avatar

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    ^ did you buy the works engineering ones discussed in the links above? if so when you get them I would be intrested in seeing some pictures of how good the belt fits into the teeth and so on before I commit to getting a set for my 6A13

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    Seconded, pics and impressions would be appreciated

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    Quote Originally Posted by Spetz View Post
    Seconded, pics and impressions would be appreciated
    No problem , i'll post some pictures when i'll received the cams gear and the instalation , also i'll give you the best tune when the car will be on the dyno ... The 6G72 like +1 for intake and -3 for exhaust , it's the best tune to take the more power but i saw on my garage that other car are different , and if you put +1 for intake you'll lose vacuum and the final goal for the power will be not good ! Anyway i'll give you my result to take the maxim power and to have a nice drivevebility!

    Saf

    Ps: Hope that all are understand , because my english it's bad!

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    Your English is fine
    Look forward to hearing the results

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    Adam.Findlay's Avatar

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    any luck with getting some pics yet SAF68?

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    Adam.Findlay's Avatar

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    Any update on this.
    Just installed my cams so next valvetrain mod will be gears
    cheers

  12. #12
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    Seconded.
    Just ordered mine set of cam verniers. And wonder what would be the best setting for 6A13TT.

  13. #13
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    it would be ineresting to see the advantage of the adjustable cam gears particularly on a tuned car like your tomazs

    Bye for Now!

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    More overlap or/and to adjust the cams with degree wheel

    Saf
    3000GT 1430awhp and 1132nm twin 6466CEA @ 44 psi + Galant VR4 type-S 701awhp @ 1.7 bars 6466CEA + Galant GDI to 4G63 ... In progress

  15. #15
    Davezj's Avatar

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    In a very simplistic way of describing it, because I don't really understand this at the moment.

    When you adjust the cam gears, do you actually gain anything, or do you move where the torque is created/brought in.
    E.g. Move it from low down touque to much higher in the rev range, where the 6a13tt is lacking it.

  16. #16

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    When you adjust cams gear , you can create more overlap if you run on stock cams :

    Overlap –

    This is the number of degrees that the intake and exhaust valves are open at the same time. A cam with timing of 25-65-65-25 has (25 + 25) = 50 degrees of overlap. Overlap is the most important parameter effecting idle and off idle quality. A large overlap causes a rough or lopey idle. Increasing the duration or decreasing the lobe separation cause an increase in overlap .

    For all !! Don't buy a gams gear with 2° range /mark


    DaveZJ , you'll understand with this link

    http://www.enginebasics.com/Advanced...%20Tuning.html

    If you buy billet cams shaft , you'll need to buy cams gear to check the correct timing

    http://www.youtube.com/watch?v=55kgprdD6t0

    Saf

  17. #17
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    well that make interesting reading, upto the point when he says ignore all the stuff above for turbo engine it doesn't work like that for turbo engines.

    well i suppose it makes sense to understand the reasons why the gear timing is used.
    is the article saying you add some cam gear overlap on a turbo engine low down in the rev range to gain quicker spool and more mid range torque. but then you need to remove that overlap higher up the rev range.
    it is the last bit i don't understand. how can you remove cam timing higher in the rev range when it is manual set via the cam gears.
    is it saying you add the some cam gear overlap and then remove it with ECU timing high in the rev range, or is it saying something else. i am not sure.

  18. #18
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    You can get variable valve timing, but how it could be implemented on a 6A13tt I have no idea!

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    on a side note regarding variable cam timing,
    i was surprised when i saw adam's VVTI accord on the rollers, the power curve was a normal looking thing then when it hits about 5500- 6000 rpm the power curve goes up at 35-40 degree angle like a switch, when the cam timing changes. it was very odd looking.

  20. #20
    Oblivion's Avatar

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    Quote Originally Posted by SAF68 View Post
    When you adjust cams gear , you can create more overlap if you run on stock cams :


    For all !! Don't buy a gams gear with 2° range /mark


    Saf
    Why is that a bad thing? The works Engineering ones have 2 deg markings I think.
    Daily driver / circuit car / drag car / show car / weekend cruiser / project car

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