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hasaramat
Looking at this cam on ebay but I cant seem to find out where it is from. Anybody here got any idea? I hope the links works.
ebay
Eric_Shea
Grandbury, silly. hide.gif
McMark
Why?

It's an unknown cam, the lifters and the cam may not be the same company or the same production run, so they may not be the same hardness. If you buy it you're risking a poor running motor from an improper cam profile, or worse, a flat cam which can destroy the rest of your motor, just like this piston out of a flat cam motor.

But, to answer your question, no I don't recognize it. Both WebCam and Engle cams come in boxes with their names on them. This is not a WebCam or and Engle.
ME733
QUOTE(McMark @ Dec 12 2009, 07:43 PM) *

Why?

It's an unknown cam, the lifters and the cam may not be the same company or the same production run, so they may not be the same hardness. If you buy it you're risking a poor running motor from an improper cam profile, or worse, a flat cam which can destroy the rest of your motor, just like this piston out of a flat cam motor.

But, to answer your question, no I don't recognize it. Both WebCam and Engle cams come in boxes with their names on them. This is not a WebCam or and Engle.

popcorn[1].gif ............A FLAT cam, means that, in the begginning, there was no taper ground into the lobe....WHAT!!!!.....thats right GUYS camshaft lobes have a .5 to 1 degree angle GROUND INTO the lobe. This induces the LIFTER to spin/rotate with every cam lobe cycle, creating even wear for all the moving parts in the valvetrain and promoting lubrication for/to the cam and lifters... A" flat cam " is one that is worn down or manufactured WITH OUT an included ( perpendular) angle in the lobes..... popcorn[1].gif I do agree that buying a camshaft on e-bay is just N U T S !
hasaramat
OK OK OK, no e-bay camshafts. wacko.gif
ME733
QUOTE(hasaramat @ Dec 13 2009, 12:19 PM) *

OK OK OK, no e-bay camshafts. wacko.gif

popcorn[1].gif..were not busting you b----, for fun. we just don't want you wasting your hard earned money on junk. .. a sincere MERRY CHRISTMAS.... popcorn[1].gif
McMark
QUOTE(ME733 @ Dec 13 2009, 07:55 AM) *

QUOTE(McMark @ Dec 12 2009, 07:43 PM) *

Why?

It's an unknown cam, the lifters and the cam may not be the same company or the same production run, so they may not be the same hardness. If you buy it you're risking a poor running motor from an improper cam profile, or worse, a flat cam which can destroy the rest of your motor, just like this piston out of a flat cam motor.

But, to answer your question, no I don't recognize it. Both WebCam and Engle cams come in boxes with their names on them. This is not a WebCam or and Engle.

popcorn[1].gif Thats a forged piston...It failed because the three piece (SET)OIL CONTROL RAILS were not installed. the centerpart/ as it was not restrained, expanded to the cylinderwall and ate itself and the cylinderwall,s up. the mammoth galling of the piston could also be from improper piston to cylinder wall clearances. a quick death in two directions. .............A FLAT cam, means that, in the begginning, there was no taper ground into the lobe....WHAT!!!!.....thats right GUYS camshaft lobes have a .5 to 1 degree angle GROUND INTO the lobe. This induces the LIFTER to spin/rotate with every cam lobe cycle.,( creating even wear for all the moving parts in the valvetrain.).................A" flat cam " is not going to destroy the piston, especially to the extent shown.... popcorn[1].gif I do agree that buying a camshaft on e-bay is just N U T S !

You sure know a lot about a complete motor from one picture. Too bad most of it is WRONG. I'm not even going to waste time rebutting you, since odds are you won't believe me anyway since you apparently already think you know everything. mad.gif
ME733
popcorn[1].gif ...so YOU...must have built this engine...any Idea how the "flat cam" occured?, who were the manufacturer,s... It sure spit out some metal into the crankcase, and into the cylinders. popcorn[1].gif
McMark
*sigh*

The missing oil control rings were removed before the picture was taken. rolleyes.gif rolleyes.gif rolleyes.gif rolleyes.gif rolleyes.gif

Flat cam has nothing to do with the angle of taper, it has to do with this:
IPB Image
Mark Henry
Good thing you didn't buy it, sounds like hydraulic cam and solid lifters. Nice combo....not. dry.gif
But it could also be a european motorworks H grind, basiclly a Scat C-25 copy. If it is, it's a mild carb cam, on carbs it give's you no more power than a good D-jet.

ME733 There are several very experienced peeps on this board who make their living building engines and restoring 914's, McMark is one of them.
His shop is in Napa, CA where`s yours?
ME733
popcorn[1].gif ..mark henry..my shop is at my home. but it,s MY SHOP and I rarely do any work for any one, except myself any more. sinse about 1970, starting with 356, then 911,s and 914,s. my business , BLACK FOREST ENGINEERING focused on scca, and then vintage racing porsches. I had the 1st registered 356, in vintage racing..(in the world?) In the united states..log book #18....could have been (9) but I liked 18 better..( I think that was 1978).. chief of technical inspection WMC and SVRA...about the first...12-or so years. runnoffs tech inspector /RD atlanta runnoffs, IMSA tech inspector daytona. I could go on but the long and short of it is I am RETIRED I am my own best customer...no more race date deadlines. popcorn[1].gif
Mark Henry
QUOTE(ME733 @ Dec 14 2009, 09:04 AM) *

popcorn[1].gif ..mark henry..my shop is at my home. but it,s MY SHOP and I rarely do any work for any one, except myself any more. sinse about 1970, starting with 356, then 911,s and 914,s. my business , BLACK FOREST ENGINEERING focused on scca, and then vintage racing porsches. I had the 1st registered 356, in vintage racing..(in the world?) In the united states..log book #18....could have been (9) but I liked 18 better..( I think that was 1978).. chief of technical inspection WMC and SVRA...about the first...12-or so years. runnoffs tech inspector /RD atlanta runnoffs, IMSA tech inspector daytona. I could go on but the long and short of it is I am RETIRED I am my own best customer...no more race date deadlines. popcorn[1].gif


Cool...but I bet there's at least a hundred members here that have a very similar story.
My point is you made a comment that wasn't even anywhere close to being right.
tat2dphreak
ignoring the usual BS,

you can think about this very logically... an unknown cam from a no-name box with nothing known about duration or lift, for $50, or your choice of a known cam in new condition to your choice of durations and lift for about $150... to me, even though its more $ on paper, it's a no-brainer. you also need the RIGHT lifters to go with the cam, they need to match hardness to be right...

guys like Jake, McMark, Mark Henry, etc can help you figure out what cam choice is right for your application and that advise from well-experienced individuals will cost you nothing. you can probably even find it in a search.

welcome.png
ME733
QUOTE(Mark Henry @ Dec 14 2009, 10:29 AM) *

QUOTE(ME733 @ Dec 14 2009, 09:04 AM) *

popcorn[1].gif ..mark henry..my shop is at my home. but it,s MY SHOP and I rarely do any work for any one, except myself any more. sinse about 1970, starting with 356, then 911,s and 914,s. my business , BLACK FOREST ENGINEERING focused on scca, and then vintage racing porsches. I had the 1st registered 356, in vintage racing..(in the world?) In the united states..log book #18....could have been (9) but I liked 18 better..( I think that was 1978).. chief of technical inspection WMC and SVRA...about the first...12-or so years. runnoffs tech inspector /RD atlanta runnoffs, IMSA tech inspector daytona. I could go on but the long and short of it is I am RETIRED I am my own best customer...no more race date deadlines. popcorn[1].gif


Cool...but I bet there's at least a hundred members here that have a very similar story.
My point is you made a comment that wasn't even anywhere close to being right.

Based upon the imperical evidance, observation , of the photograph furnished it was. However the oil control rings were partially disassembled prior to the photograph. I have a discussion going on now with mcmark. a broken camshaft, which was not shown certainly contributed to the total mess....and he didn't manufacture the cam, obviously. and the possibility of a severly overreved engine cannot be excluded.
Eric_Shea
What? No popcorn emoticon?
J P Stein
Since when is a wrong answer here a felony...particularly when the evidence is misleading. If I had a buck for every shakey answer here, I could retire.

BTW, at best those Deves style oil rings are shit.

Here's another pic of them POSs.
aircooledtechguy
beerchug.gif

Gentlemen,. . . FOCUS. . . I thought p3n!s measuring belonged in the sandbox??

This is what I tell my clients when one of them asks the same question about buying a cam/lifter set. . .

You can't "un-bolt" a cam. There's no easy way to try one out w/o tearing the whole motor down. So unless you enjoy building your motor over again, think long and hard on the cam selection and/or consult those who have more experience successfully building engines for guidance. Proper cam selection is critical to getting a motor to behave the way you want and expect. Simply put; It's the conductor of the orchestra. The rest of the motor depends on its input and it affects every phase of the motor. If you let price be your guide to cam selection, you will be disappointed in your motor when finished; guaranteed.

Just my .02. . .

SLITS
I love the hostility of this place.

yellowsleep[1].gif
jasons
QUOTE(Mark Henry @ Dec 14 2009, 06:05 AM) *


But it could also be a european motorworks H grind, basiclly a Scat C-25 copy. If it is, it's a mild carb cam, on carbs it give's you no more power than a good D-jet.



In my parts stash, I have a cam from EMW that is in a box just like that one. So I will say this, that box looks like a box I got from EMW like 10 years ago. FWIW, the cam I have came with Johnson lifters.
Mark Henry
QUOTE(jasons @ Dec 14 2009, 02:40 PM) *

QUOTE(Mark Henry @ Dec 14 2009, 06:05 AM) *


But it could also be a european motorworks H grind, basiclly a Scat C-25 copy. If it is, it's a mild carb cam, on carbs it give's you no more power than a good D-jet.



In my parts stash, I have a cam from EMW that is in a box just like that one. So I will say this, that box looks like a box I got from EMW like 10 years ago. FWIW, the cam I have came with Johnson lifters.


Yup...I saw the box and remembered EMW had cams they just called A, B, C, etc

In fact who ever got it might have done OK, it could be pre-issues camshaft.
Eric_Shea
We can say "penis" here can't we? biggrin.gif
SLITS
QUOTE(Eric_Shea @ Dec 14 2009, 04:10 PM) *

We can say "penis" here can't we? biggrin.gif


Only if you actually have one Mr. Camel Toe.
Eric_Shea
Ahhhh... the rare occasion when we have Ron and SLITS contributing in the same thread.
sean_v8_914
that cam was big. like 86a+ big. check out the big radius of duration. I used to use yamabond or tribond 1104 to seal a case. since jake's recomendations on sealants its alot easier to split a case for a cam swap.

where did it say hydraulic cam?
sean_v8_914
b mngh
sean_v8_914
why did a flat cam eat that piston?
SLITS
QUOTE(sean_v8_914 @ Dec 15 2009, 06:48 AM) *

why did a flat cam eat that piston?


Not being and ex-spurt, I would say the piston was installed with to little clearance or the engine was severely overheated.

Of course I am ignoring the plausibility of mounds of metal circulating with the oil.

But then, I am just a big dummy.
McMark
Serious amounts of metal in the oil = scuffed piston.
sean_v8_914
that 1/4" short lifter is insane looking. Ive seen some nasty ones but never THAT NASTY. that belongs on teh wall of shame.

Flat Cam Syndrome: the flat plague ended up being EPA enduced right? I think it was right about the same time when they removed teh ZDDP from teh oil...2006-ish?
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