hydralic lifters, engine build using hydralic lifters? Options

[green914]

Where can I find information on using hydraulic lifters? Is there anyone out there that has done a build using hydraulic lifters? (IMG:style_emoticons/default/confused24.gif) Would like to hear of all the pros and cons.

[veekry9]

https://www.youtube.com/watch?v=8UaXhfbAMF0
http://www.lunatipower.com/Product.aspx?id=2023
https://www.google.ca/webhp?sourceid=chrome...ulic+roller+cam
http://www.hotrod.com/how-to/engine/1402-c...roller-lifters/
http://rehermorrison.com/tech-talk-43-the-...h-flat-tappets/
The demand for these lifters in a T4 application is too small for the development costs.
A one-off could be done if one was to put their mind to it,essentially a rote exercise.
Adapting the chevy,or similar parts,a decent result could be had.
None of this is cheep,building a T4 good to 8500 on pushrods.
A fully scavenged dry sump will be necessary.
Things will break on the path to that kind of performance.
Reduction of friction and mass,both costly pursuits,testing,analyzing and redesign.
Sure,it can be done,as an entire replacement of the valvetrain.
The rods titanium,like the canted intake valves,LN cylinders,billet heads,and on and on.
https://www.google.ca/search?q=titanium+int...rms0uSYQyoZM%3A
https://www.google.ca/webhp?sourceid=chrome...intake%20valves
http://www.ebay.com/bhp/sbc-titanium-valves
https://www.google.ca/webhp?sourceid=chrome...nium%20pushrods
http://www.geneberg.com/cat.php?cPath=6_215_2794
https://www.google.ca/webhp?sourceid=chrome...hroom%20lifters
For a 6500rpm engine of course,the costs are commensurately reduced,like,you won't need the
exotic rods,steel Carrillos will happily do it all day.
A T4 that will spin to 8.5K and more is the wish list carte blanche build,for sure a lot of fun.
A set of feeler gauges and a half hour every 5000km seems a simpler way to big revs.
The power desire curve would be more easily climbed with a larger engine,a Corvair!
The 1956 designed engine came with hydraulic lifters utilizing the factory stamped,heat-treated,ground and polished rocker arms.
Stuffing all those goodies into the six,a momentary satisfaction would result,whetting the taste for speed.
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