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Street credibility; Built not bought
Topic Started: Sep 24 2013, 06:37 PM (56,760 Views)
94RHDRollerskate
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Forum Stud Muffin

:popcorn
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ZXTjato
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bass heads

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New high grade hardware 8.8 stainless bolts for the body and 10.8 grade pinch bolts for the ball joint pinch spot, double nut that thing.

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Why is this dry....more grease lol

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FAILURE IS NOT AN OPTION!!!

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ZXTjato
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bass heads

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Flawless victory!

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Got the rack getting going.

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My boots were slightly dry so I added lots of glue to freshen up the rubber.

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This boot had a rip in one joint so I sewed it up with dental floss then hit it with RTV high temp glue :)



I put some junk tires in the front and drove the car to the alignment shop.
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ZXTjato
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bass heads


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In other news I changed both axels yay...


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So after all this crazy about cams taking dumps looks like I'm the next victim. My cam and cam bearing are not looking so great.... I decided to look into my cam after seeing what happened to that cam Mell had.

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This is my center bearing, it looks really scored. My engine has never been starved of oil or ever over heated, it never has leaked or needed any oil added so that is impossible. I change my oil way more often that is recommended so it can't be bad oil. I do have a 3tec life time warranty so I need to call them up and see what's going on here, could be just a bad cam?

Any one got ideas?
Edited by ZXTjato, Sep 27 2014, 11:23 PM.
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aaronvincent
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Mr Mojo Risin'

I've never understood why people put all these aftermarket cams in their cars around here (here being GMF). Why improve upon the stock cam? If it aint broke don't fix it and the oem cams had nothing wrong with them in the first place. My 91 XFi has a stock cam/weight reduction and can easily crack 50 mpg so why do we insist on pushing that? Curiosity dun killed the cat you know! ^o)

I'm honestly not surprised at the sight of some of these cam failures. The big auto companies spend millions of dollars and decades designing a single piece, something the aftermarket usually cannot replicate too often (but it does happen sometimes).
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Metromightymouse
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Powdercoat Wizard

Because the manufacturer designs for a certain result. Not everyone wanted that exact result and a cam can make a huge change in the way the engine performs.
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Woodie
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aaronvincent
Sep 28 2014, 12:14 AM
I've never understood why people put all these aftermarket cams in their cars around here (here being GMF). Why improve upon the stock cam? If it aint broke don't fix it and the oem cams had nothing wrong with them in the first place. My 91 XFi has a stock cam/weight reduction and can easily crack 50 mpg so why do we insist on pushing that? Curiosity dun killed the cat you know! ^o)

Because tweaking is fun, and not everyone has an XFI cam to start with.
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I'm honestly not surprised at the sight of some of these cam failures. The big auto companies spend millions of dollars and decades designing a single piece, something the aftermarket usually cannot replicate too often (but it does happen sometimes).
I never did like the look of those cut down center journals. The bearing surface is aluminum! Not a good choice to start with, why increase the load on it?



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snowfish
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Basic GearHead

Bummer Jato! :'( Keep us posted on the verdict. :popcorn I Do know that a different cam, in that head, is not the answer. :shake That groove will not allow oil to disperse properly and destroy the rest of the journal, and cam, that you install. :die Here's mine after 1000 miles, with a normal center journal cam installed.

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Oil farts x10! :stoner Brand new cam is scuffed up pretty bad too. I need to take a micrometer, to it, to see if it's still servicable. :news
Sorry for your misfortune. :( This summer has been a learning experience for a lot of us. One lesson is that the 365/222 cam is the final cam for a given head. :deal Fun while it lasts, but there's a price that will be paid. :x
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ZXTjato
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bass heads

Yea tweaking is fun but as we all know tweaking comes with a price of unknown durability.

I do have an XFI cam but the way my car is set up an XFI would suck for me, they say it runs out of steam at 4,000-4,500 RPM......that's my highway RPM it would be out of revs all the time.


I didn't know 3tec cut the cam journals down like that, this was the full head package assembled and ready for me to install.
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ZXTjato
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bass heads

Snowfish if you say installing a new cam will not solve the issue then I don't want to ruin another cam and bearing, I would almost rather just let it be all marked up untill I get a new head all together, I didn't even bother to look under the cam I can imagine the head bearing being just as bad as the top bearing.
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Coche Blanco
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Troll Certified

ZXTjato
Sep 28 2014, 09:29 AM
Snowfish if you say installing a new cam will not solve the issue then I don't want to ruin another cam and bearing, I would almost rather just let it be all marked up untill I get a new head all together, I didn't even bother to look under the cam I can imagine the head bearing being just as bad as the top bearing.
The problem is there is no bearing. It's the head itself, so you have to get a new one (head) if it messes up.
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snowfish
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Basic GearHead

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you say installing a new cam will not solve the issue

That is correct. ^o) It will escalate a larger issue..........oil farts and boogered up new cam. :die
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didn't even bother to look under the cam I can imagine the head bearing being just as bad as the top bearing.

The head side will look pretty nice since all the force up is against the cap. ^o) However the caps are not interchangeable without machining & align boring. :gamerz Not cost effective at this time. :shake

As long as your engine is running fairly well, without a lot of clanging & banging, put it back together and run it. :drivin But not too long. Remember, you're introducing aluminum, more & more, into the oil. :'( Hopefully you've been running a premium filter. :hmm

Get another head, build it up locally, and swap it out more sooner than later. :gamerz Bummer deal, but I don't see how your head, or mine, can be returned to service with out major surgery. :x The things we learn along the way................. :tumbleweed
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ZXTjato
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bass heads

We'll I have my other head and that head is in amazing shape because it's still new-ish I'm just slightly disappointed that the 3tec head has only lasted me a few 10 thousand miles
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Justahoby
Unqualified informant

Metromightymouse
Sep 28 2014, 01:06 AM
Because the manufacturer designs for a certain result. Not everyone wanted that exact result and a cam can make a huge change in the way the engine performs.
Can't wait to extend my power range past 5000 rpm :rocker ... Just been check to check lately.. Baby has been eating more... Using more diapers, wife said no to me buying a cam right now :(
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Justahoby
Unqualified informant

My old engine was scarred on all 3 cam bearings, marched on up to 250,000 miles from 160,000 miles. I have plans to cut the head to view the ports from the side. All it is good for.
Just college is killing my geo metro dreams... Lol
I retired the engine and threw another in when the exhaust valve was beginning to burn..
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