Re: Why can't you use solid lifters with a hydraulic cam?
[Re: Jjs72D]
#1995364
01/21/16 04:02 AM
01/21/16 04:02 AM
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Joined: Jun 2005
Posts: 6,257 gulfport, ms, west mi
rowin4
master
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master
Joined: Jun 2005
Posts: 6,257
gulfport, ms, west mi
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I would ask why? the wiping out of the cam is probably more so than breaking in a solid lifter cam. so why take the chance, similar grinds are available and most hydraulic/lifter cams today can hang right with a solid.
it's ok to butt heads, just don't do it with a butthead
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Re: Why can't you use solid lifters with a hydraulic cam?
[Re: Jjs72D]
#1995449
01/21/16 12:06 PM
01/21/16 12:06 PM
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Joined: Oct 2011
Posts: 559 Idaho
LaRoy Engines
mopar
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mopar
Joined: Oct 2011
Posts: 559
Idaho
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You can. I have done it successfully over the years. Keep a tight valve lash, no more that .006" hot lash. Makes things tough on a aluminum head project. But for me it has extended the rpm range of the camshaft. Have the dyno tests in a folder around here somewhere.
Last edited by LaRoy Engines; 01/21/16 12:07 PM.
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Re: Why can't you use solid lifters with a hydraulic cam?
[Re: Jjs72D]
#1995477
01/21/16 01:16 PM
01/21/16 01:16 PM
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Joined: Feb 2003
Posts: 16,163 Mesa, Arizona
dart4forte
I Live Here
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I Live Here
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Posts: 16,163
Mesa, Arizona
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I'm sure the Stock Eliminator guys have it figured out
“So if it’s on the internet it must be true”
Abe Lincoln
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Re: Why can't you use solid lifters with a hydraulic cam?
[Re: TooMany62s]
#1995521
01/21/16 02:50 PM
01/21/16 02:50 PM
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Joined: Dec 2005
Posts: 4,258 State of Fascism
52savoy
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master
Joined: Dec 2005
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State of Fascism
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This doesn't sound like an experiment that's worth trying. In 1973 I did just that. I had a rebuilt 383 and put adjustable rockers with solid lifters on the stock hyd. cam. It ran fine and stayed that way(months) until I screwed up and didn't drain all the water out of the block for the winter.
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Re: Why can't you use solid lifters with a hydraulic cam?
[Re: 52savoy]
#1995727
01/21/16 07:11 PM
01/21/16 07:11 PM
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Joined: Jan 2003
Posts: 1,613 westerly, ri. usa
440lebaron
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,613
westerly, ri. usa
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the hyd cam lobe has sideways slant to it so it rotates the lifter so they don't wear out, you can use solid but they do not seat flat on lobe
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Re: Why can't you use solid lifters with a hydraulic cam?
[Re: Stanton]
#1995751
01/21/16 07:33 PM
01/21/16 07:33 PM
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Joined: Jan 2003
Posts: 75,098 A Banana Republic near you.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,098
A Banana Republic near you.
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The only reasons I can think of are solid cams generally have higher lifts and shorter durations making the ramps a too harsh for a hydraulic to handle ... as well there's the increased valvespring pressure which will fight the hydraulic system. He is asking about a solid lifter on a hyd cam so the ramp issue you talk about is a non issue, I agree with your spring theroy but that only requires the springs be changed , Comp sells/used to sell a set of hyd lifters that come with an instruction sheet telling the user to run .002 lash, I have a set.
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Re: Why can't you use solid lifters with a hydraulic cam?
[Re: 440lebaron]
#1995753
01/21/16 07:33 PM
01/21/16 07:33 PM
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Joined: Jan 2003
Posts: 75,098 A Banana Republic near you.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,098
A Banana Republic near you.
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the hyd cam lobe has sideways slant to it so it rotates the lifter so they don't wear out, you can use solid but they do not seat flat on lobe Solids have to rotate also .
running up my post count some more .
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Re: Why can't you use solid lifters with a hydraulic cam?
[Re: 440lebaron]
#1995810
01/21/16 08:32 PM
01/21/16 08:32 PM
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Joined: Jan 2003
Posts: 25,200 Upper Midwest
MoparforLife
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,200
Upper Midwest
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the hyd cam lobe has sideways slant to it so it rotates the lifter so they don't wear out, you can use solid but they do not seat flat on lobe Solid and hydraulic cams both have an angle ground into the cam face along with a slight dome on the lifter face to keep the lifter rotating. If the lifter stops rotating it is instant disaster.
Clean it, if it's Dirty. Oil it, if it Squeaks.
But: Don't fix it, if it Works!
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Re: Why can't you use solid lifters with a hydraulic cam?
[Re: Jjs72D]
#1995882
01/21/16 10:14 PM
01/21/16 10:14 PM
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Joined: Feb 2003
Posts: 16,163 Mesa, Arizona
dart4forte
I Live Here
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I Live Here
Joined: Feb 2003
Posts: 16,163
Mesa, Arizona
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There's always Schubec lifters
“So if it’s on the internet it must be true”
Abe Lincoln
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Re: Why can't you use solid lifters with a hydraulic cam?
[Re: Jjs72D]
#1996118
01/22/16 04:09 AM
01/22/16 04:09 AM
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Joined: Oct 2003
Posts: 3,698 NE Oklahoma
Von
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master
Joined: Oct 2003
Posts: 3,698
NE Oklahoma
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Lol..alot of bad info on this thread....
72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72.
Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.
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