Just wanted to double check with the experts before i bought them. are these the correct bearing for my lt1.

cam bearings
Dura-Bond CHP-8

Rod bearings
Clevite Engine Parts CB663P

Main bearings
Clevite Engine Parts MS909P

let me know thanks in advance

if you need any info on my engine to be sure if they will work. here is whats going into the shortblock. Mahle powerpak 4.030" flat top pistons, Scat I-Beams, LE spec'd 232/240 .578/.574 110 LSa cam, stock crank

Jason

 

When it comes to bearings if you're unsure or new at building it is ALWAYS best to let your machinist select them. Let him call the shots. That's what I'd recommend.

 

the machinist said these

Mahle GM main bearings, (or Clevite P-series)
Mahle GM standard rod bearings, (or Clevite P-series)
Dura Bond high performance cam bearings

the ones i linked in original post seem to be around the same price as he gave me so i am assuming those were the exact ones he was talking about but i like to buy the stuff myself so i have everything needed for the build when the time comes.

 

No offense, but you think they are the same bearings because they are the same price? They may be or may not be...

A rebuild will take a few days - it will only take a few days for your machinist to get the bearings. And it doesn't do you any good to buy bearings if they are the wrong ones.

Been there, done that. Just let him order them. That eliminates any risk on your part for buying the wrong bearings and puts all the responsibility on the machinist.

 

thats true never thought of it like that.

What are the things that you recommend the machinist buy himself for the build.

 

Truthfully, just about everything (in the bottom end). That way if there's a problem with a part later down the road it's not your fault due to part selection.

A good builder will talk with you, give you options, discuss pros and cons, and make sure that the end product is exactly what you want.

 

I think your choices are fine. Those are exactly what was recommended to me by MachinistOne in this thread....
https://www.camaroz28.com/forums/lt1...arings-746672/

I'm using them with no problems.

However, I would let your Machinist purchase them and choose the size. He may need a different size than you'd buy and you'd have to buy them twice.

So, spec out the brand and series you've chosen in your first post, but let him choose the size based on what he has to do with the motor.

RamAir95TA does have some very good points, but I don't think you'll go wrong with the choices above.

 

Your machinist can tell you what size bearings you need. Once you know that, order a clevite set.

I go with the standard clevite, not the H, as it should be fine for my car. Your builder may recommend the H bearing depending on your motor and how much power it's going to make.

If you're using a stock crank and rods you can get away with the standard size bearings.

My engine builder assured me that he didn't take enough off the crank to require an oversize bearing, but I did a quick double check on each rod and main bearing with plain old plastigage. Not the best method, but after he assured me, and plastigage confirming, I was confident. Now had the plastigage not measured up I'd have had the crank looked at again and gotten a second opinion before moving forward with the build and starting the motor.

I suggest you do the same. It takes a little time but there have been cases where builders screw up with the machining and even if they assure you it's specd properly the clearances may be a bit out of spec which can smoke the motor.

You can't go wrong with Clevite IMO. High quality, trusted by racers and top builders for years.