pulled old engine new one coming soon!!
pulled old engine new one coming soon!! Any tips on things to replace chassis while the engines out or things I should do. Its getting all brand new rotating assembly and gaskets but im trying to think of the small stuf that should be done while its out. and any tips on first start up??? thanks everyone
Check the steering rack for leaks
Get some poly motor mounts if you still have the stock ones, check the transmission mount while the engine is out
If the lower control arm rubber is torn now would be a good time to address that..
Just general maintenance
As far as new engine break in, if it's just a replacement engine and you have the original tune then go ahead and start it up and check for leaks and let it get to operating temp.
Then go out and drive it, throw it in 2nd gear and do 4-5 WOT hits.
After each hit let off it, without using the brakes and let it wind down on its own power which will cause a vacuum and clean and suck any debris out of the the cylinders and piston rings..
Then pop it into 3rd and do another 4-5 WOT hits and let it coast back down just like the above step..
Drive it around in OD and vary RPM's and don't be too easy on it.. Rings should seat within the first 10 minutes or sooner
Might want to do an oil change after the break in period
Get some poly motor mounts if you still have the stock ones, check the transmission mount while the engine is out
If the lower control arm rubber is torn now would be a good time to address that..
Just general maintenance
As far as new engine break in, if it's just a replacement engine and you have the original tune then go ahead and start it up and check for leaks and let it get to operating temp.
Then go out and drive it, throw it in 2nd gear and do 4-5 WOT hits.
After each hit let off it, without using the brakes and let it wind down on its own power which will cause a vacuum and clean and suck any debris out of the the cylinders and piston rings..
Then pop it into 3rd and do another 4-5 WOT hits and let it coast back down just like the above step..
Drive it around in OD and vary RPM's and don't be too easy on it.. Rings should seat within the first 10 minutes or sooner
Might want to do an oil change after the break in period
Oh, if it's a completely new engine buildwith Heads/cam etc and you don't have the proper tune for the new setup then I recommend breaking it in on a dyno..
You don't want to drive on a new engine without a proper tune and run the risk of running rich and washing the cylinders out with fuel
You don't want to drive on a new engine without a proper tune and run the risk of running rich and washing the cylinders out with fuel
Please confirm what vehicle you have and it's mileage and condition.
https://ls1tech.com/forums/generatio...g-threads.html
https://ls1tech.com/forums/generatio...g-threads.html
Sorry I realize my post was vary vague. It's 2000 z28 a4. its a brand new every thing forged rotating assembly with crank lq4 with 243 head's P&P every thing inside them is also new. I will have a start up tune from tick performance.
Sounds good, keep us posted!
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The trans is a built 4l60e but while it's out I'll probably get it freshened up. And this mostly a street car so do you think poly mounts would be to harsh on the ride qualityquality.thanks for the help every one I just don't want to over look something simple
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