[Fot] timing issues

Mark Pendergrass mpendy at dishmail.net
Sun Jun 7 09:58:49 MDT 2009


Tony and JC. THANKS, I am headed out to the shop!!!
----- Original Message ----- 
From: "Tony Drews" <tony at tonydrews.com>
To: "Mark Pendergrass" <mpendy at dishmail.net>; "friends of triumph" 
<fot at autox.team.net>
Sent: Sunday, June 07, 2009 8:47 AM
Subject: Re: [Fot] timing issues


> Set your specs with tension on the chain.  Also, verify that the closing 
> event is where you expect.  Sometimes the duration between opening and 
> closing doesn't exactly match the cam card, and you really want the 
> centerline on the cam card spec.  So, if I have the opening on time but 
> the closing is two degrees late, I move the opening one degree earlier so 
> I split the difference.  Then it opens one degree early, closes one degree 
> late and the centerline should be where I want it to be.
>
> - Tony Drews
>
> At 09:53 AM 6/7/2009, Mark Pendergrass wrote:
>>FOT'RS; It's crunch time for me out west here, i have a question. I have a
>>Erson B23 cam that i'am try to set up in relation to my crank. After a 
>>couple
>>of tries i got the crank/cam set to erson specs. 29BTDC with 50 thou. lift 
>>on
>>intake lobe.When i take the cam chain tensioner and put pressure on it as 
>>it
>>would have with the cover in place, it wants to throw my cam setting off 
>>by
>>5-6 thou.Do i set my specs with tension on chain or not??? I need some 
>>input.
>>Thank You !!!!   Mark Pendy #65 tr4
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