What to look for in an LS1 car...?

[Z28]

Well I'm probably gonna get rid of my car when the winter comes this year.

As a replacement car I want to get another Camaro but obviously with an LS1. I want to buy a car that is completely stock and build it how I want from the ground up. Since most of you guys have a lot of experience with them I want to know of any issues you guys have ran into over the years aside from 10 bolts breaking or just the really well known issues.

[KLAB]

The first thing you should look for in an ls1 caris the ls1 engine. Just kidding. I been poking through the ls's in my area just to see what they're like, I'd check under the floors for rot obviously esp around the rear seat floors, any kind of body damage,, and get an 02 or 01 because they have the better 411 pcm and ls6 intake amongst other goodies. As far as maintenance I don't know never owned one check the oil lol

[camarokid91]

My rear end is fine it has 115k on it and it had my 433hp motor beating on it for 15k miles.

Get a 99 or newer the ECMs are not good in the 98's I think they are the slower lt1 style ECM. Also the 01-02's and some 00' come with the LS6 manifold which is a plus.

[BigMac76]

Steer clear of the 98's, it's the first year of the LSx in these cars and they were basically the bastard child such as the 93 LT1's were.

I know you have mentioned previously that you were looking for a t56, still going that route or looking for an auto as well?

Obviously you want to check all the common stuff, oil & pressure, coolant level & color, etc. and you will also want to verify what has or hasn't been done to the car. Let the car start up and get to operating range and check temp on the cluster. Usually if the car has been tuned or chipped the fans will trigger early, ~200ish. Stock I believe low kicks in at 220ish, not sure because mine was not stock lol. Also look for any signs of bodywork, right up your alley for any "forgotten" incidents, headlight/fender/door gaps.

[Z28]

Going to T56 route this time around. The goal is to find an unmolested Z28, I just want to really go thru the car so I am going to have to do my homework as far as what's normal for these cars such as temps, oil pressure, etc. I just don't want to start modding the car and break something I can't afford to fix. But my goal is as such

Heads/cam/intake
Bolt ons
Sunoco hood and ss wing
Nice set of wheels
Good suspension to handle the drag strip
Supporting drivetrain mods

I've only driven one ls1/6speed and the car has high miles as well. I noticed that it had trouble getting in and out of reverse...

[ILuvPizzaTimes10]

guys are right stay away from 1998. i have one tuning sucks! ls6 intake is a nice freeby on the 01-02 cars. listen for anything out of the ordinary when its cold. a good tapp in the engine and id walk if it were me. if its been warmed up BEFORE you get there. id maybe look and go back and start it up cold. alot of engine noises "go away" when its warm.

[KLAB]

Originally Posted by Z28

Supporting drivetrain mods...

Ha....

Originally Posted by ILuvPizzaTimes10

if its been warmed up BEFORE you get there. id maybe look and go back and start it up cold. alot of engine noises "go away" when its warm.

Thats a good point

[BigMac76]

Yup, make sure it's cold when you get there. Piston slap and valvetrain noises get washed away when it's warm.

Oil pressure should be around 60 psi cold, 45-50 warm and under light load. Mine usually runs like this until the oil starts to thin out, then runs about 40-45 psi hot, and about 45-50psi under a moderate load, casual driving at highway speeds.

[smokinss]

I wouldn't consider piston slap to be a bad thing. My 06 Chevy 5.3 has it and so does my 99z28. It goes away as soon as it starts to warm up. It is a pretty common issue. Its when it doesn't go away is when there is a problem.

[LSX-Nation]

A bunch of ls1 f bodys have piston slap I wouldnt worrie too much about that. 01 and 02 have the ls6 intake 241, head and a little bit better clutch apparently .