Noisy Comp Cam Roller Setup

[67Dart273]

^^If you do that what happens when they DO pump up?? LOL

 

[67Dart273]

. I then abandoned the Comp Cams Techline Crayons.

You may have just made a huge mistake, I might be calling YOU for the "tech line" LOL

 

[512Stroker]

If you have a lifter that bleeds down quickly, how is more preload going to help in a noisy start up situation? With more preload it is going to push more oil out of the lifter during rest when the engine is shut off. Then on fire up as the lifter gets on the heel of the cam, the engine is going to have to push more oil back into the lifter to remove what now may be as much as .090" lash.

More preload may only work where you have so much preload you have bottomed out the hydraulics in the lifter and have almost a solid lifter now. Works great in things like the Engine Master contests where hydraulic lifters are mandated.

I am not an Engineer by any stretch. What you are saying makes sense, maybe in this case less is better, I just cant add up why Comp has told me three times to add more preload.

 

[IQ52]

^^If you do that what happens when they DO pump up?? LOL

I have great faith in you and I think you are smart enough to answer your own question! Think about it. When/how does a lifter pump up? How can I prevent it from happening?

I am not an Engineer by any stretch. What you are saying makes sense, maybe in this case less is better, I just cant add up why Comp has told me three times to add more preload.

Did they lose the crayon sharpener? People who can only read what is on the computer in front of them? Melted crayons? They have never used the products they are advising you on?

Again, I only report on what I have personally tested or I quote my source so you can check it for yourself.

I personally like Comp Cams products. I'm just no fan of the tech line. I've received to many bad answers. Bye-the-bye, I've had the very same experience with Edelbrock, Erson, T&D, Hughes, Indy and others.

 

[IQ52]

You may have just made a huge mistake, I might be calling YOU for the "tech line" LOL

By the end of this year, I plan on having 100% complete automotive amnesia.

 

[yellow rose]

By the end of this year, I plan on having 100% complete automotive amnesia.

LOL!!

 

[fishmens67]

By the end of this year, I plan on having 100% complete automotive amnesia.

this is too bad, hopefully Cody gets back at it some day. I hate to see talent go to waist, even though he seems to have talent in whatever he does.

 

[rumblefish360]

By the end of this year, I plan on having 100% complete automotive amnesia.

OMG That is GREAT!
I do the same thing at work. Coupled with, "Don't bother me, I'm busy watching the grass grow!"

 

[dartgarth]

512 here is some reading for you. Looks like there have been some issues with these particular lifters for a while. Perhaps they haven't got them sorted out yet...

Major problems with Comp Cams hydraulic roller lifters

Comp Cams Pro Magnum Hyd Roller Lifters? | Unlawfl's Race & Engine Tech | Moparts Forums

 

[512Stroker]

I have great faith in you and I think you are smart enough to answer your own question! Think about it. When/how does a lifter pump up? How can I prevent it from happening?



Did they lose the crayon sharpener? People who can only read what is on the computer in front of them? Melted crayons? They have never used the products they are advising you on?

Again, I only report on what I have personally tested or I quote my source so you can check it for yourself.

I personally like Comp Cams products. I'm just no fan of the tech line. I've received to many bad answers. Bye-the-bye, I've had the very same experience with Edelbrock, Erson, T&D, Hughes, Indy and others.

Update
Well I again contacted Comp and spoke with Greg the Warranty Dude, he agreed to cover the hyd lifters under warrant and supply me with a set of solid rollers. It's the labor that's a killer, my engine builder told me you have to remove the heads to swap the lifters. Seeing that I add heart surgery last week it is going to be a cold day in Hell before I want to tackle it. I guess I will run it like it is and hope it dont come apart.

 

[67Dart273]

"There is a way" without pulling the heads.........pull them up and figure a way to block them....like lighty jam a paper towel between lifter and block....then pull the cam and carefully work them out the bottom, then up through the slots in the block. I did this tearing down some Magnum engines, but "I admit" it is touchy

 

[512Stroker]

"There is a way" without pulling the heads.........pull them up and figure a way to block them....like lighty jam a paper towel between lifter and block....then pull the cam and carefully work them out the bottom, then up through the slots in the block. I did this tearing down some Magnum engines, but "I admit" it is touchy

Pulling the cam my be more work the pulling the heads - in chassis, this 67 Barracuda has factory A/C.
But I like the way you think - There is more than one way to skin a Cat.

 

[dgibby]

Update
Well I again contacted Comp and spoke with Greg the Warranty Dude, he agreed to cover the hyd lifters under warrant and supply me with a set of solid rollers. It's the labor that's a killer, my engine builder told me you have to remove the heads to swap the lifters. Seeing that I add hart surgery last week it is going to be a cold day in Hell before I want to tackle it. I guess I will run it like it is and hope it dont come apart.

Gernade your motor and your going to be paying a lot more than having someone pull the heads....
Park it until your ready or maybe some buddies might help you out. It would suck to not take the warranty lifters and blow the engine.

 

[AJ/FormS]

After reading all this;
Man am I glad I didn't cave in to my first choice of installing retros in my 367,back in '99! Instead I ran a FTH, and in 2000 I installed a Hughes 224/230/110 with their performance lifters and springs. (111X's maybe?) At 1/2T preload, they ran awesome.
Sorry to hear about your troubles, but now feel much better about my choice.
But know this; your woes will probably spare a lot of guys from going thru the same suffering,in the years to come......... because your thread has a great title for the search-engine to find, and a lot of knowledgeable people have chimed in. So on their behalf, thx .
Also saddened to hear about your heart troubles.
I hope you get it all sorted out.

 

[famous bob]

OMG That is GREAT!
I do the same thing at work. Coupled with, "Don't bother me, I'm busy watching the grass grow!"

Weeds here, nothing but !

 

[512Stroker]

Gernade your motor and your going to be paying a lot more than having someone pull the heads....
Park it until your ready or maybe some buddies might help you out. It would suck to not take the warranty lifters and blow the engine.

I appreciate your concern.
The way I see it I have got three options
Option 1 - Take the solid rollers from Comp and pay someone to put them in. Cost let's say around $1000
Option 2 - Buy a set of Hugh's Hydraulic rollers and pay to have them installed. Cost around $1800
Option 3 - Sell the car the way it is and buy a new Hellcat. Cost $ OFF THE CHART

 

[dgibby]

I appreciate your concern.
The way I see it I have got three options
Option 1 - Take the solid rollers from Comp and pay someone to put them in. Cost let's say around $1000
Option 2 - Buy a set of Hugh's Hydraulic rollers and pay to have them installed. Cost around $1800
Option 3 - Sell the car the way it is and buy a new Hellcat. Cost $ OFF THE CHART

Go with solid lifters and be done with it.
Of course, aside from the money thing, the Hellcat is a nice option.