Why Are So Many Engines For Sale Without Leak down/Compression Tests

[jamesjedi]

Why are there so many engines for sale without a leak down and compression test? I know some are being sold as cores, but others are not.

Am I missing something??

[rkeele]

supply and demand

[jamesjedi]

I don't understand why you would pay so much for an uncertain engine? However, maybe I am missing something?

Should a tested engine bring considerably more??

[BYprodriver]

Originally Posted by jamesjedi

Why are there so many engines for sale without a leak down and compression test? I know some are being sold as cores, but others are not.

Am I missing something??

Difficult to do once the engine is out of the vehicle.

[jamesjedi]

I understand that an engine may have been sitting on a floor for a long time, perhaps intended for a project that was never completed. It seems that a some of them have been pulled for larger engines. Would you not want to do it before you pulled it?

I would guess some would have intended to keep them, but the value of these motors sitting on a shelf does make the idea of selling them an attractive.

[Mehoff]

Parts flipping/brokering.

Since air cooled engines have basically doubled in the past 2 years, people are probably making weekend business out of them and/or finally pulling them off the shelf. As prodriver mentioned, performing a compression test out of the car will not work and a leakdown on a motor that's been sitting will not be good enough to discuss (would hurt value).

Verified good test numbers will get about 20% more, so guys asking all the money for non-verified motors tend to bump into perpetuity or accept the discount.

[mreid]

How about that most people don't have the tools, knowledge, or time to do the test.

[gliding_serpent]

buyer beware. In some cases, maybe the numbers were "not measured" because they were measured, but were not great. Part of me thinks there is a reason an engine is being sold. Cashing in on a hot market, and avoiding the rebuild costs is a good reason.

[Charles Freeborn]

Because the buyer doesn't ask / insist on it.

[jamesjedi]

I just realized that this is in the wrong forum...woops.

[sugarwood]

https://en.wikipedia.org/wiki/Publication_bias