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Which chassis to go with?
https://locostusa.com/forums/viewtopic.php?f=39&t=20841
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Author:  Rennkafer [ April 19, 2021, 1:39 pm ]
Post subject:  Re: Which chassis to go with?

Miata engines are definitely marked, big VIN tag on the right side of the oil pan.

13B's depending on the year may just be old enough they didn't.

Author:  JAMADOR [ April 19, 2021, 2:20 pm ]
Post subject:  Re: Which chassis to go with?

Rennkafer wrote:
Miata engines are definitely marked, big VIN tag on the right side of the oil pan.

13B's depending on the year may just be old enough they didn't.

My current [non-running] engine doesn't have an oil pan, either.

Author:  tibimakai [ April 19, 2021, 2:46 pm ]
Post subject:  Re: Which chassis to go with?

I should probably buy these components from a car part reseller from Ebay or similar, right? This way I have some proof.

Author:  JAMADOR [ April 19, 2021, 4:17 pm ]
Post subject:  Re: Which chassis to go with?

Depending on the state, a bill of sale may be sufficient.
In TX, I believe a BOS is all that's needed for non-chassis components.

Author:  Miatav8,MstrASE,A&P,F [ April 19, 2021, 6:18 pm ]
Post subject:  Re: Which chassis to go with?

The VIN rules have changed about five times over the years. Used to be FMVSS 115 but is now part of 49cfr 565. The first rule is in 32 FR 20833 (Dec ’67).

Production numbers on the drivetrain are not required to be the vin. I think it is more for traceability than anything. The required vin is anti-tamper and required to be easily visible.

The production numbers (that range from barely associated to the vin to being the actual vin) are convenient for reporting theft if they are known. The inspection process may require access to see the numbers for a theft check.

The donor drivetrain numbers are not subject to a test for matching to a vin. Typically, with “partial vins” only the mfg knows if a particular drivetrain production number was installed in a particular vin vehicle.

The donor vehicle VIN would not necessarily be salvage. People sell the entire drivetrain out of cars for all sorts of conversions.

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