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Old 04-20-2013, 01:21 PM   #188
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Lol I didn't mean it that way!

L99'ers can breath easier this morning lol.
[QUOTE=2SSCAMARO;6446319]
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i know, just having some chuckles.


CFD, That's what I call rational with a capital R. Thank you for taking the time and for your effort to analyze the event and catalog your findings regarding cause and effect.

The pices just didn't add up right and knowing not guessing is important. Many times people give opinions but that's all they are untill you have the facts.


I'm programing the flanges for the cross member right now but as I always say I hate working around other peoples shit and this case is no different. The cross member is a formed and welded piece of crap so dimensions are all over the place. It will still work perfectly but it would be better if the part was a bit more uniform.
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Old 04-20-2013, 01:49 PM   #189
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Consider this, what if the lifter failure happened during a quarter mile pass or if the incident happened to another person who continued to drive the vehicle much longer than you did subsequent to the loss of oil pressure. The damage could have been so bad to many of the internals that trying to determine what failure occurred first would be much more difficult, if not impossible in circumstances where the whole engine was grenaded. Your attentiveness, quick response, and desire for knowledge of the root cause all made it possible this time.
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Old 04-20-2013, 02:01 PM   #190
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Consider this, what if the lifter failure happened during a quarter mile pass or if the incident happened to another person who continued to drive the vehicle much longer than you did subsequent to the loss of oil pressure. The damage could have been so bad to many of the internals that trying to determine what failure occurred first would be much more difficult, if not impossible in circumstances where the whole engine was grenaded. Your attentiveness, quick response, and desire for knowledge of the root cause all made it possible this time.
You mean I got lucky/ lol
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Old 04-20-2013, 02:13 PM   #191
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congrats on the diagnosis, fwiw I have heard of the same catastrophic roller lifter failures from guys who ran Comp Cam lifters in LT1s over the years.

also beware of floor jack handles that are spring loaded to flip down and ding your hood lol
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Old 04-20-2013, 02:34 PM   #192
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congrats on the diagnosis, fwiw I have heard of the same catastrophic roller lifter failures from guys who ran Comp Cam lifters in LT1s over the years.

also beware of floor jack handles that are spring loaded to flip down and ding your hood lol
so much for quality control !!
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Old 04-20-2013, 02:59 PM   #193
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You mean I got lucky/ lol
That's lucky with a capital "L"

Lol
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Old 04-20-2013, 07:34 PM   #194
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Had a chance to work on the crossmember. I machined four flanges that will weld to the cut out section of the cross member and the two ends still on the car. As soon as I get a chance I will fit two flanges to the car, if everything fits ok I will weld it up and now have a removeable cross member.

The 1st picture is all the components, the 2nd is what the midsection will look like when welded and the 3rd picture is how it will be when installed.

I'm glad I went this route as if for any reason my pan needs to be dropped in the future it will be a relatively easy job.
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Old 04-21-2013, 12:47 AM   #195
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mine just went out tonight , 19k i started to do it when i done my cam but , lazyness of ordering parts .
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Old 04-21-2013, 07:48 AM   #196
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WTF!! Sorry to hear that bud!! Lol I told you so lol

JK bud, hope you get it up n runnin soon.
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Old 04-21-2013, 10:13 AM   #197
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mine just went out tonight , 19k i started to do it when i done my cam but , lazyness of ordering parts .
That really sucks, believe me, I know!!!!
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Old 04-27-2013, 06:10 PM   #198
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Man I'm bummed. Just when I thought everyhting was fine I lost another lifter. The #6 cylinder exhaust, same one I just replaced. Somethings going on in there I must have missed but at this point not sure what. Thing that sucks is it took my cam with it this time. It wasn't the pin coming, the roller feels free but obviously it wasn't rollin'
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Old 04-27-2013, 06:57 PM   #199
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Dam it man,that looks awful nasty! Hope you get things straightened out!
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Old 04-27-2013, 07:02 PM   #200
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Oh that sucks SO BAD!!!!

You may hate me for saying this, but you now have metal all over the engine and likely lodged into the piston skirts. You might want to explore the possibility of taking this sucker apart, and thoroughly cleaning and inspecting EVERYTHING. No joke.

This should be treated no different than a flat tappet cam failure. Please consider doing it.

P.S. I really dig your removable crossmember. Awesome. You are such a man. hehe
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Old 04-27-2013, 09:39 PM   #201
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well that does suck, something is going on there.
I would recommend checking the entire valvetrain for that lifter, from pushrod to rocker to springs and make sure there is no stuck valve.
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Old 04-27-2013, 09:57 PM   #202
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well that does suck, something is going on there.
I would recommend checking the entire valvetrain for that lifter, from pushrod to rocker to springs and make sure there is no stuck valve.

Didn't see anything that looks abnormal other than the cam and lifter but I will be checking it out thoroughly in the next day or two. Something's going on for sure.
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Old 04-27-2013, 10:27 PM   #203
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I agree with POS!

That motor has has to come out and rebuilt. Even if you keep the stock rotating assembly. But I'd get forged pistons n rods lol. Along with morel or SLR lifters lol.

That sucks to hear but I think metal got to the other lifter and took it out if you ask me.
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Old 04-28-2013, 12:52 AM   #204
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What cam and springs are you using?

Valve float will chew up a lifter and cam.
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