Titanium valves with hydraulic cam ?
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dfree383
JBR-3
6 posters
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Titanium valves with hydraulic cam ?
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Last edited by JBR-3 on February 22nd 2020, 1:58 am; edited 1 time in total (Reason for editing : .)
JBR-3- Posts : 266
Join date : 2009-08-17
Re: Titanium valves with hydraulic cam ?
The lifter is where the problem is at
dfree383- BBF CONTRIBUTOR
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Join date : 2009-07-09
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Re: Titanium valves with hydraulic cam ?
the lifter becomes the problem only when slack becomes present.. lighter valves help keep the slack outdfree383 wrote:The lifter is where the problem is at
DanH- Posts : 1081
Join date : 2009-08-06
Re: Titanium valves with hydraulic cam ?
with that being said why are there no 5/16 valve stem out there for any of the bbf heads or is there?(lighter)
torino501- Posts : 417
Join date : 2013-05-08
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Re: Titanium valves with hydraulic cam ?
You can order anything you heart desires.
dfree383- BBF CONTRIBUTOR
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Join date : 2009-07-09
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Re: Titanium valves with hydraulic cam ?
.
Last edited by JBR-3 on February 22nd 2020, 1:59 am; edited 1 time in total (Reason for editing : .)
JBR-3- Posts : 266
Join date : 2009-08-17
Re: Titanium valves with hydraulic cam ?
torino501 wrote:with that being said why are there no 5/16 valve stem out there for any of the bbf heads or is there?(lighter)
T?F A460 heads, can be had new with 5/16 stems part#'s for the ones that have them, check with Summit.
5/16 stems years ago were common for the Clev & BBF plus chevys
DanH- Posts : 1081
Join date : 2009-08-06
Re: Titanium valves with hydraulic cam ?
Are you running out of cam or are you running out of spring ?
KY JELLY- Posts : 1530
Join date : 2008-12-03
Re: Titanium valves with hydraulic cam ?
JBR-3 wrote:Dfree,
What is the problem with the lifter ?
They pump up because things are happening too fast. Save yourself a lot of agravation and just go with a mechanical flat tappet.
Plus your looking at most regular headed 460 based engines peak at about 6500-6800 rpm anyway.... Within the realm of hydraulic stuff. I think you solving a problem for no reason.
If you have the valves by all means use them, but I wouldn't go out of my way on a hydraulic flat tappet your better of spending the time on a number if other areas.
dfree383- BBF CONTRIBUTOR
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Join date : 2009-07-09
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Re: Titanium valves with hydraulic cam ?
rmcomprandy wrote:This sounds like a cure seeking a problem...
Exzackary!
dfree383- BBF CONTRIBUTOR
- Posts : 14851
Join date : 2009-07-09
Location : Home Wif Da Wife.....
Re: Titanium valves with hydraulic cam ?
rmcomprandy wrote:This sounds like a cure seeking a problem...
why not run the heavy valves / reatainers ?
A lighter valve/retainer can use lighter spring pressure, sounds like a good reason to not use the heavy parts.
wouldn't less springs pressure help a flat tappet cam live?
DanH- Posts : 1081
Join date : 2009-08-06
Re: Titanium valves with hydraulic cam ?
It takes an aggressive lobe to turn the higher rpm , valve weight or materials has more to do with the spring living than the lifter following the cam .
KY JELLY- Posts : 1530
Join date : 2008-12-03
Re: Titanium valves with hydraulic cam ?
KY JELLY wrote:It takes an aggressive lobe to turn the higher rpm , valve weight or materials has more to do with the spring living than the lifter following the cam .
Actually, LESS aggressive, lazy lobes which are large in area will run at higher RPM easier, with less valve spring pressure.
Giving up a lot of torque is the major problem with running them.
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