Bill,
I did mean solid roller lifters with a roller cam. Thanks for your
response it is clearer to me now. The knowledge and the sharing of it is just
great! Thanks.
Jim
----- Original Message ----
From: Bill Babcock <billb@bnj.com>
To: Jim Cun <jimcun2001@yahoo.com.au>
Cc: Friends of Triumph <fot@autox.team.net>
Sent: Tuesday, 8 May, 2007 9:06:46 AM
Subject: Re: [Fot] Roller life
I assume you mean flat tappets, or are you just asking about solid versus
hydraulic lifters?
If you mean flat tappets I don't think it will work very well. Roller cams
ground for roller lifters take advantage of the tight curve of the roller to
move the lifter quickly at the beginning of the opening cycle. You need more
ramp with a flat tappet. I think you'd have serious wear problems. Might get
away with using a ceramic lifter.
If you mean using solid vs. Hydraulics, then it depends again on how the cam
was ground. Some cams are ground with a really radical initial ramp expecting
the excessive acceleration to be taken up by the hydraulic lifter.
Why would you want to use a roller cam with flat lifters
Bill Babcock
billb@bnj.com
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On May 7, 2007, at 3:20 PM, Jim Cun wrote:
G'day guys,
Wanted to find out opinions on using solid lifters and a roller cam?
Jim
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