Hydraulic rollers sbc
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Re: Hydraulic rollers sbc
Me thinks F'Bird would be better suited if he had more experience with hydraulic rollers of today. This have just turned into an argumentative forum show now.
Re: Hydraulic rollers sbc
Has anyone noticed that the OP dove for cover a week ago?
Felix, qui potuit rerum cognscere causas.
Happy is he who can discover the cause of things.
Happy is he who can discover the cause of things.
Re: Hydraulic rollers sbc
Though I don't always agree with F'bird, do research the effects of air entrained in engine oil in endurance and marine engines, and loss of net valve actuation with hydraulic lifters.
Re: Hydraulic rollers sbc
There is no magic. When air is whipped into the oil by the crankshaft there is potential for a hydraulic lifter to collapse. Sure, a limited travel hyd works. Why? Yep, eliminating the potential travel.
Re: Hydraulic rollers sbc
yup. he was smart, got his question answered and got out before people started telling him crap he didnt ask.
Re: Hydraulic rollers sbc
I can go machine spacers to limit the hyd lifter travel to nil. No potential for oil aereation to limit rpm. Why didn't i just grab some solid rollers?
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Re: Hydraulic rollers sbc
Why don’t you fix your oil aeration issues?? Aerated oil doesn’t lubricate that well either...
Re: Hydraulic rollers sbc
Spend thousands on partial solutions to a $50 problem.
Now this #1000-$1500 budget dirt motor needs $426 "good" to $890 "hi-rpm" lifters
$280++ valve springs and a $$$$$ dry sump oil system..
Pentagon budget thinking. $$$$$¢$$$$$$$$¢$
Anything else?
Now this #1000-$1500 budget dirt motor needs $426 "good" to $890 "hi-rpm" lifters
$280++ valve springs and a $$$$$ dry sump oil system..
Pentagon budget thinking. $$$$$¢$$$$$$$$¢$
Anything else?
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Re: Hydraulic rollers sbc
knowledge, expertise and practical experience, (or lack of it) preference and opinion.
It's all here on this thread. Unfortunately, some think their opinion, their way, is the only way. And somehow if you keep pounding on the keyboard you'll prove that.
For me, I use hydraulic roller cams/lifters all the time with much success. Only the more extreme builds will get solid rollers. What I don't do anymore is flat tappets unless required by rules or a customer demands them. In that case there is no wty whatsoever in regards to cam/lifter failure and resulting damage.
But this is my preference, it doesn't have to be right for everyone.
It's all here on this thread. Unfortunately, some think their opinion, their way, is the only way. And somehow if you keep pounding on the keyboard you'll prove that.
For me, I use hydraulic roller cams/lifters all the time with much success. Only the more extreme builds will get solid rollers. What I don't do anymore is flat tappets unless required by rules or a customer demands them. In that case there is no wty whatsoever in regards to cam/lifter failure and resulting damage.
But this is my preference, it doesn't have to be right for everyone.
Automotive Machining, cylinder head rebuilding, engine building. Can't seem to quit
Re: Hydraulic rollers sbc
Yep, if its not my way I still think about staying off the "Highway" ! I am not good enough to believe I must convince everyone that it should be "MY Way"!
The Older I Get, The Dumber I Get
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Re: Hydraulic rollers sbc
Thank you Mr. Keith M. for a little sanity and civility. This site gets a little "excited" at times over simply opinions.
Re: Hydraulic rollers sbc
Not wanting to reignite anything but did have a question in regard the tradeoffs spoken of. I have a perfectly good 400 sbc laying around 10:1 flattops. Unfortunately it has been used a couple times in various configurations over the years. Bores are fine but at the limit. Last time run, lifter bores were worn considerably and hydraulic lifters may not be operating properly. When heated up ... quite noticeable power drop off. Would it be appropriate to switch to a solid under these conditions? It will be the last she runs anyway and don't care if she blows. LS is calling..
Re: Hydraulic rollers sbc
Will hydraulic rollers collapse and give up a noticeable amount of lift in a worn lifter bore? If worn enough to do that, would a solid roller have a better chance of surviving under the same conditions? Same cam specs.. etc..