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EF stage 2 cam onto AU head 

 

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 Post subject: Re: EF stage 2 cam onto AU head
Posted: Wed Aug 05, 2015 11:28 pm 
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ef factory workshop manual and the au factory workshop manual. journals are the same size

 

 

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 Post subject: Re: EF stage 2 cam onto AU head
Posted: Thu Aug 06, 2015 11:37 pm 
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WTF??? i have been told sooo many times they will not fit
even by a cam manufacturer ??

serious ohh well
cool :)

 

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 Post subject: Re: EF stage 2 cam onto AU head
Posted: Fri Aug 07, 2015 9:52 am 
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I think people might have gotten confused with the Base circle diameter of the cam lobe being larger in the AU

 

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 Post subject: Re: EF stage 2 cam onto AU head
Posted: Fri Aug 07, 2015 11:17 am 
Getting Side Ways
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Base circle in the au is smaller. 1.8" vs 2.1" for e series. I was thinking they had it confused with the crank mains.

 

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 Post subject: Re: EF stage 2 cam onto AU head
Posted: Fri Aug 07, 2015 12:08 pm 
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ranga83 wrote:
Base circle in the au is smaller. 1.8" vs 2.1" for e series. I was thinking they had it confused with the crank mains.
You sure on that? I was sure I'd read it was larger on AU.

My logic also agrees with it, but perhaps my logic is wrong, or missing some detail....
With a lower ratio rocker it would require a large base circle to keep the HLA's in contact with the valve tip. (this is assuming HLA's are same length, and no major changes in geometry of the rocker arm apart from length beyond the pivot)

 

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 Post subject: Re: EF stage 2 cam onto AU head
Posted: Fri Aug 07, 2015 1:50 pm 
Getting Side Ways
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Im positive. Thats how i measure them to tell the difference when i get regrinds 2nd hand.

 

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 Post subject: Re: EF stage 2 cam onto AU head
Posted: Fri Aug 14, 2015 11:15 pm 
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ok so can i put my cam in :?: :D
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