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Thread: Hydrolic vs. Solid lifters

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Posts: 11-20 of 21
2008-05-02 23:42:51
#11
^ i completely agree with you, tuning up above those rpm limits are hard to do so without a dyno, and not ALL aplications are going to require you to rev to that limit, or a gaurntee that you are going to see more power up top,unless you are able to tune up top for those rpms, but still there isnt anything saying the power isnt going to drop off aftr stok rev limit
2008-05-03 03:29:31
#12
solid lifter i wouldnt recommend for daily driving ... ur valve cover would be off more then ull be in the car enjoying it ... u can tune when with a heat gun and measure each temp of exhaust header but u need a dyno at the end anyway to see what u got
2008-05-04 21:51:33
#13
Originally Posted by Pr
solid lifter i wouldnt recommend for daily driving ... ur valve cover would be off more then ull be in the car enjoying it ... u can tune when with a heat gun and measure each temp of exhaust header but u need a dyno at the end anyway to see what u got


i dont understand your reasoning for saying this. assuming they are shimmed correctly once installed why would you need to constantly remove the VC? GTiR's have them stock....bone stock. and i assure you that not every one that bought a GTiR was car savey.

classicaddict
2008-05-07 00:39:38
#14
Thanks guys. I'm probably just gonna stick with oem and bleed the air out of my lifters when I get the chance. Can any harm be done by not bleeding the air out of the lifters?
2008-05-07 01:24:37
#15
That I know of, yes.

It's a pretty simple task to bleed them. The hardest part is taking the head apart to get to the lifters.

Once you have them out, just put them in a cup of oil and submerge them, and get a small allen wrench that will fit in the hole in the top, and push the plunger down a few times, until no more bubbles escape.
2008-05-07 05:33:14
#16
My friend has a ticking that I suspect is a bad lifter. It comes and goes and sounds like it is coming from the injectors, but when you unplug the injectors nothing happens. I am pretty sure it is a lifter.
2008-05-07 06:32:33
#17
Okay, so we've clarified the benefits of the SLA for high-revving motors, but what advantages do you get with a HLA? And also, what maintenance is required for solids? I'm deciding what to do on my head rebuild right now. This thread caught my interest and I just want my info straight before I invest.
2008-05-08 05:16:10
#18
Originally Posted by WingmanSR20
Okay, so we've clarified the benefits of the SLA for high-revving motors, but what advantages do you get with a HLA? And also, what maintenance is required for solids? I'm deciding what to do on my head rebuild right now. This thread caught my interest and I just want my info straight before I invest.



benefit of HLA is smooth quiet maintnence free operation. Check solids after 1k miles for initial break in, IMO, adjust and check every or every other oil change. You can go longer then that, maybe 8-10k miles, but its not hard to check clearances with a feeler and just gives you the warm and fuzzy.

SOLIDS ARE LOUD, it makes the top end sound broken to the untrained ear.
2008-05-08 05:29:27
#19
so with the solids, is the higher risk of wear the reason you have to check them so often?
2008-05-08 17:20:40
#20
Originally Posted by WingmanSR20
so with the solids, is the higher risk of wear the reason you have to check them so often?



All valvetrain components wear, but with HLA they constantly adjust to take out slack. Solids do not adjust, so you must re shim them when things wear down.

Most do experiance a more rapid rate of wear with solids, but that happens to all race engines compared to factory. And you really only need solids if it is a race or high hp street engine.
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