You just love that video, huh? lol

 

Here is what we are going to do..... take the motor out and check the clearance for all bearings. We are going to replace all rod or mains and the oil pump and driveshaft if we need to. We are going to get the cranked turned if it is scorthced at all. Wouldnt ut be scortched if it was bad as far as the bearing? If not, is that good news?

Someone tell me what a rebuild would do. What all is involved in doing a rebuild? pretty much all the bearings right? and if the clearance is all good, shouldnt i just replace the bearings?


thanks for the help

-Mike

 

If you are going to pull it out, don't waste time checking the old stuff. Just plan on replacing ALL the bearings. Have the crank checked for wear and buy bearings according to that. If you want it to last a long time, have the cylinders mic'd for wear and proceed according to the findings. Your choices are going to depend on what the wear is on the engine when you get it checked out.

Sounds like you need to buy a book on engine rebuilding for reference. (like this one) A factory manual would be great to have, as well.

 

True Shoebox, we are going to go ahead and replace all bearings and have the crank checked for any damage. I just need the car to last me for a little bit longer before either selling it or re-doing the whole thing.


-Mike

 

Check the block carefully also..
If you spun a main bearing, the bearing area of the block or main cap can be messed up too..

 

When I replace the bearings, do I just go back with a stock type bearing or something else? I will be ordering these pretty soon so I need to know. If im not mistaken, the bearings in there now are race bearings from the spun bearing I had before.

Thanks
-Mike

 

Opinions vary about bearings, but you need to make sure you have your crank checked and any machine work done before you order anything.

 

Checking the crank can be a visual check, correct? If any damage, there is a place here local that will turn it for $100.00 race prep. I just need to know if it is a visual check or not?

Thanks Shoebox, you have been helpful and I appreciate that.



-Mike

 

No, no. You must have it mic'd by a shop so you know what bearings to buy. If it needs polishing or turning, they will make it a uniform size to fit available bearings. That is what I mean about checking.

 

Yes, Yes, have them mike it and check for run-out, when bearings are spun the possiblity of more metel being removed from one side vs the other is highly possible.

 

What is a general idea of what it cost to get mic'd?


-Mike

 

Shouldn't be much at all. Hell polishing it will only run you ~$30.

Check your rings too.

 

When you say check the rings, are you referring to the piston rings?

 

If you spun a bearing like a rod bearing your crank will nee to be reconditioned polished at least and so wont your rod. You can not throw another bearing in a rod that has spun a bearing and expect it to stay. Usually I replace the rod completly but I turn my racecar motor from 3800-6000 thats its life. Also all of the brass from your spun bearing and other stuff from the crank has circulated througout your entire oilling system. I would replace cam and bearings while you have it out oil pump and you might as well rering it if it has many miles at all. Which involves having the block sent out checked for honing or boring possibly replacing the pistons if it need to be bored. cleaned checked for cracks etc Your best bet sounds to me like you should have a reputable shop do it for you and reinstall your engine. You will get a warranty and be much happier than just rigging it back in there and hoping it wont blow. The guy that turns your crank and does the rods if that is the way you decide to go have him pick out the correct bearings for you. Remember there is a front and back to a piston use some vaccum line on your rod bolts when reinstalling so you dont scratch the crank there is alot too it. You are taling about thousanths of inches close enough will not work. Also I would do a new oil pump for sure.

 

Thanks for the info. but he is going to mic'd it and do all the checks on it. We will be doing in it my garage so I am just praying that the crank is still in good shape. It only went for 10 miles since I started hearing the noise so hopefully everything is ok. The guy doing the fix is real good with cars and knows alot about them. We will see what size bearings we need once we get in the car and do the checking. My friend is doing the same fix on his mustang right now and isnt having to do all the machine repairs and all and he even drove his car forever before fixing it, He said his crank was still good so I am "HOPING" mine is to.



-Mike