SS4Luck

iTrader: (10)

SEE POST 33






Ive never seen wear patterns like this before. I def know its not supposed to be like this, and has anyone ever run these pistons? I payed for a "forged" motor and have sealed power aluminum pistons, stock rods, what looks like a stock crank and clevite bearings. Id say I got FAR from what i payed for

The motor had 5438 on it and literally .1 of a mile with a bad lifter

Weird **** on the crank. looks like they went to drill/balance it and fucked up


#1 (both sides)



#2 (both sides)



#3 (both sides)



#4 (both sides)



#5



#6 and bearing




#7




#8





I noticed both sides of every piston has wear around the oil rings at the top of the skirt. Im pissed and will be making a few angry phone calls tomorrow


Main caps and a bad #4 bearing, but then again no bearing really looked anything other than horrible

oChristiano

iTrader: (6)

Thats painful to look at..

myk

iTrader: (4)

Where did you get your work done?

SS4Luck

iTrader: (10)

The shop i take my corvette too which is a well known shop sent the motor to their "#1 engine builder"

shame is i could have had a FI 408 or 427 for what i paid

SoCal01z28

iTrader: (11)

That really sucks man. I don't really trust many people at all when it comes to my car, especially with motor work, I need the piece of mind that it was done right......by me.

ss.slp.ls1

iTrader: (36)

Gotta love shops that cut corners...

$750 L98

iTrader: (7)

I know almost absolutely nothing about how rotating assemblies should look.




But, dude, that looks like ****. Definitely not quality work.

67RSCamaroVette

iTrader: (63)

How far are the pistons coming out of the hole? Is it a stroker? The piston wear looks similar on all, up to mid skirt, like they were rocking slightly in the bore at BDC...

skimms98

iTrader: (7)

Any numbers on top of the pistons? Hard to tell but those look like hypereutectics?

SS4Luck

iTrader: (10)

they are hypereutectics... sealed power pistons :/

no it was a "forged 347" i havaent takent measurements yet tho. the block is an iron sleeved aluminum unit. the wear is all similar at mid skirt and then at the top of the skirt. Some is just worse than others.

skimms98

iTrader: (7)

FWIW Sealed Power aka Speed Pro DOES make forged pistons as well. They generally ahve an F as a suffix on their part number.

MrElectric03

iTrader: (71)

Yea sealed power makes both. That coating is made to wear but it looks to me like it was rocking way too much and like the cylinder maybe bored too much larger than the piston.

So you paid for forged rods and they put in stockers?

SS4Luck

iTrader: (10)

i paid for billit and got stock. I matched the piston part numbers to hypereutectic no forged

JMR

is there any grounds for legal action?

s/c'd cav

iTrader: (10)

looks like its been road hard , and road some more , ive seen stock motor that were beat hard look better , lol

sorry man thats horrible !!! that is something id be hanging someone over !!!

SS4Luck

iTrader: (10)

i have to go through my files tomorrow sometime after school and get invoice/built sheet and then possibly

Black02LS1

iTrader: (5)

Im no expert, but I might suspect oil pump failure. Or perhaps low oil pressure. Oil doesnt get to the skirts or doesnt have the pressure to float the assemby and then you end up with scratches all over the bearings. Obviously resulting in engine death.

Just my thought.

Then again: I just looked at the crank again, maybe they didnt balance it and just slapped it together and then the off balace crank started grinding everything and throwing it out of wack.

Gonzo98

iTrader: (7)

If you look in the Ls1 internal section there is a thread in there were someone has the same kinda wear like this. Even the same pistons. It was posted a while ago so you gotta search it.

XxRedDevilxX

iTrader: (1)

I have seen wear like that on the skirts of the pistons but it seems to not be as consistent... check the bore size vs the size of the pistons and tell us what the tolerance is... I'll be able to tell you whether or not the bore is to large. It seems like thats what the problem would be... I have coated pistons which wear almost the same way but they are very consistent with the wear not thick wear in the middle light else where... Also what was this motor used for? nitrous blower turbo? makes a big difference on what the pistons to wall clearance should be... Sloppy is not always bad... also have you played with the rings at all? like spinning them around? cause if you haven't on one of the pistons they were not right... they should be 180 from each other... as far as the bearings thats another issue... pictures of the crank? the bearings are toast all of them... can you run your finger nail across any of them with out being stopped by wear? also any marks on the cylinders that stop your from going up and down or side to side?

XxRedDevilxX

iTrader: (1)

Another thing is there any discoloration to the rods? where they connect to the crank...