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I purchased a new remanufactured engine. It didn't sound good at the start and it smoked. After less than 30 miles on the new engine, we checked the vacuum and it was good and steady. Next we ran a compression check on all 8 cylinders. They were all 90lbs but one and it was 60 lbs. We pulled the valve cover to see if we were getting valve action- Yes! We double checked the timing & it was OK! We think that the problem could be ring gaps were lined up; piston was cracked; piston pin was missing a keeper and scored the piston block wall letting oil by pass. Could the rebuilder have used standard pistons when the block was bored to 30 over? Paul XXXXX@XXXXXX.XXX

Submitted: 38 days and 11 hours ago.

Category: Car

Value: $13

Status: CLOSED

Year: Pre-1983
Year (other): 1950
Make: GeneralMotors
Make (other): Olds
Model: 88
Engine: 350 olds

Already Tried:
It in my question but here is the balance of that question.The company that rebuilt the engine claims there was a oil leak on the intake gasket or cracked intake manifold that leaked oil into that cylinder and the burnt oil built up and kept the valves from closing and therefore causing the low compression reading. BUT AFTER LESS THEN 30 MILES???? Know the mfg. doesn't want to warranty the engine! Paul

Posted by Your Auto Inspector 38 days and 11 hours ago.

Info Request

Thanks for using Just Answer. I will be glad to assist you.

How did the company determine the oil leak or the crack in the manifold?

What evidence did they find of the oil in the cylinder?

38 days and 11 hours ago.

Reply

They say there was oil in the intake runners on the head. When the intake was removed at our shop - there was no oil in the runners!!!! The intake manifold was new Edelbrock and has since been installed on the replacement engine and everything is running fine. The compnay also want us to pay for the replacement engine which should have been at no charge warranty. On the phone, the company reps talked to my mechanic and agreed thet the engine was bad and also told him that there would be labor charge paid by the company for the replacement work. They are also saying "They're not apying a dime for his labor"

Posted by Your Auto Inspector 38 days and 11 hours ago.

Info Request

As far as the engine I think you have a good case. It seems that it was obviously an issue with the build of the engine.

Do you have the defective engine or does the company have it?

38 days and 11 hours ago.

Reply

They say there was oil in the intake runners on the head. When the intake was removed at our shop - there was no oil in the runners!!!! The intake manifold was new Edelbrock and has since been installed on the replacement engine and everything is running fine. The compnay also want us to pay for the replacement engine which should have been at no charge warranty. On the phone, the company reps talked to my mechanic and agreed thet the engine was bad and also told him that there would be labor charge paid by the company for the replacement work. They are also saying "They're not paying a dime for his labor"

Posted by Your Auto Inspector 38 days and 11 hours ago.

Info Request

I think that you posted the same response twice.

I am wondering if you have the engine or if you have sent it back to the builder.

38 days and 11 hours ago.

Reply

The engine was returned to the mfg. If will had any idea that they were not going to warranty the engine, we would have kept it for an independent builder to review. The pictures they sent back show no oil on runners, but they say that you can't see clean oil!

Posted by Your Auto Inspector 38 days and 11 hours ago.

Answer

It sounds like it was an issue with the building process.

Unfortunately without the motor it would be impossible to prove. You could try to contact a laywer and threaten to sue, however the engine could already been disassembled.

If you paid with a credit card I would stop payment immeadiately and let the manufacturer fight it out with the credit card company. Technically they have the merch. back so you would have a leg to stand on. Its your word aganist their's.

It could be a piston ring issue, but the noise would lead me to believe that there could have been a pin issue. Oversized rings would be out of the question.

I hope this helps.

Edited by Your Auto Inspector on 10/15/2009 at 10:05 PM

38 days and 11 hours ago.

Reply

Do you agree that oil in the intake runners (if there were any) on an engine with less then 30 miles couldn't buildup oil deposits to hold the valves open causing the 60 PSI reading on one cylinder?
Paul

Accepted Answer

I would not say impossible, but extremely unlikely.

The amount of oil required to do that in 30 miles would almost require you to dump it in yourself.

I never say impossible, but I would be 99.9% sure that it is an issue on their end that they dont want to own up to. They have the engine so they know you dont have a leg to stand on. Everything you have written leads me to believe there was a building issue.

Secondly, it would not explain the immeadate noise.

Your problem is with the builder, not your installation.

Accepts:
Expert:	Your Auto Inspector
Pos. Feedback:	100.0 %
Answered:	10/15/2009

Assistant Service Manager

Tires Plus

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Info Request

Thanks for using Just Answer. I will be glad to assist you.

How did the company determine the oil leak or the crack in the manifold?

What evidence did they find of the oil in the cylinder?

Reply

Info Request

As far as the engine I think you have a good case. It seems that it was obviously an issue with the build of the engine.

Do you have the defective engine or does the company have it?

Reply

Info Request

I think that you posted the same response twice.

I am wondering if you have the engine or if you have sent it back to the builder.

Reply

The engine was returned to the mfg. If will had any idea that they were not going to warranty the engine, we would have kept it for an independent builder to review. The pictures they sent back show no oil on runners, but they say that you can't see clean oil!

Answer

Reply

Do you agree that oil in the intake runners (if there were any) on an engine with less then 30 miles couldn't buildup oil deposits to hold the valves open causing the 60 PSI reading on one cylinder?
Paul

Accepted Answer

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Question

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Info Request

Thanks for using Just Answer. I will be glad to assist you. How did the company determine the oil leak or the crack in the manifold? What evidence did they find of the oil in the cylinder?

Reply

Info Request

As far as the engine I think you have a good case. It seems that it was obviously an issue with the build of the engine. Do you have the defective engine or does the company have it?

Reply

Info Request

I think that you posted the same response twice. I am wondering if you have the engine or if you have sent it back to the builder.

Reply

The engine was returned to the mfg. If will had any idea that they were not going to warranty the engine, we would have kept it for an independent builder to review. The pictures they sent back show no oil on runners, but they say that you can't see clean oil!

Answer

Reply

Do you agree that oil in the intake runners (if there were any) on an engine with less then 30 miles couldn't buildup oil deposits to hold the valves open causing the 60 PSI reading on one cylinder?Paul

Accepted Answer

Related Car Questions

Thanks for using Just Answer. I will be glad to assist you.

How did the company determine the oil leak or the crack in the manifold?

What evidence did they find of the oil in the cylinder?

As far as the engine I think you have a good case. It seems that it was obviously an issue with the build of the engine.

Do you have the defective engine or does the company have it?

I think that you posted the same response twice.

I am wondering if you have the engine or if you have sent it back to the builder.

Do you agree that oil in the intake runners (if there were any) on an engine with less then 30 miles couldn't buildup oil deposits to hold the valves open causing the 60 PSI reading on one cylinder?
Paul