1998 ls1's piston slap
 

I am looking at a 98 camaro with about 120000 miles. I hear they get some nasty piston slap. Any help would be appreciated.

what, no welcome thread? :welcome: you bastard! :cheers:

Almost all LS1's have piston slap at startup, especially in cooler weather. It should go away within a minute or 2 but if it lasts longer than that you might want to pass on or adjust your offer. My 2000 SS with 46K miles has the slap for 30-60 seconds on cold startups. It doesn't do it in the summer at all.

yes but aren't 98's known for this problem, as shown in the wikipedia quote? i really don't know for sure but i go by what i find.

Knipps, this is my buddy that was looking at your car, you are friends on facebook! :D

My 98 Camaro hardly has any slap noise cold or warm, yet my moms 02 Yukon has it badly on cold days and moderate on warm days, go figure.

what type/weight oil are you/has the motor been run on?

My 98 has NONE.

Your heard more slapping than a 3 Stooges episode on my '00.

if it goes away when the engine is warm, i wouldn't worry about it

2001 were the worst in regards to piston slap

i had it, i also had major oil consumption issues, usually they go hand in hand... USUALLY.

Then a rod snapped and ventilated my block

now if i still have piston slap,you sure can't hear it anymore, but the '03 bottom end is said to be better.

I've got the 5.3 in my 99 GMC w/170K on it and it does sound like a bad rod knock for the first 2-3 minutes. I'm running 10-30W oil. Runs fine, still has oil pressure like it was new, just loud at startup.

Thanks for all the responses. i haven't looked at the car because of the known piston slap. Since it seems so common I may check it out now.

Check out the vette forums... like SmokingSS said, 01's were notroiusly worse... some people even had theyre car reringed cuase of it.

Did new rings cure piston slap?

ha!

this too

http://www.mightyautoparts.com/pdf/articles/otl0100.pdf

The better made LS-1's were anything made since April 01..
April 2001 Is when Gm started using a reduced Piston to bore clearance and revised Piston in all production LS-1 & 6's..

mines a 2002 with the LS6 block and it taps away for a few minutes when its cold

piston slap is harmless...just annoying like the others have said usually on startup

whats the price of the car? sounds like it shouldn't be much of a problem

well that and the weak connecting rod bolts, and oil pumps that go defective, which cause motors to explode, and the crappy clutch hydraulics, and the 6speeds having aluminum 3-4 shift forks which bend as opposed to the 01-02 cars having steel forks. i wont say anything about the heads being crappy though, since ive seen 11.8's @ nearly 117mph


steer clear of them. just save up and wait for something better to come along

i would get something newer...knock on wood 114xxx on my 98 and still running strong but......lol.

german castrol 0w-30 FTW

no?

dont tell me u use mobil 1

i'll tell you i don't use 0w30 in winter. that's what i'll tell you.