Xam Jenny Custom Oil May 2026

Your oil is blended in a clean-room facility. Each batch receives a unique serial number. You get a Certificate of Analysis (COA) showing the exact Kinematic Viscosity, Viscosity Index, and ppm of additives.

You receive the oil in heavy-duty, foil-sealed jugs or drums. You also receive a data card to keep in your glove box, confirming the exact specifications for warranty purposes. xam jenny custom oil

Modern mass-market oil is neutered to meet emissions standards. Zinc dialkyldithiophosphate (ZDDP)—a crucial anti-wear additive for flat-tappet cams and high-lift valve trains—has been reduced by 60% in standard oils over the last two decades. XAM Jenny Custom Oil allows for high-zinc, high-phosphorus blends that protect aggressive camshafts and vintage engines without destroying catalytic converters (if you spec the correct variant). Your oil is blended in a clean-room facility

| Problem | Possible Cause | Fix | |-------------|-------------------|---------| | Greasy feel | Too heavy carrier oil | Add lighter oil (grapeseed, MCT) | | Rancid smell | Oxidation | Discard; add vitamin E next time | | Skin irritation | Too much essential oil | Dilute with base oil | | Separation | Oil + non-oil additive | Avoid water-based additives | Core formulation steps:

XAM does not sell their Jenny Custom line at auto parts stores. Because it is a bespoke product, it is sold direct-to-consumer via the XAM engineering portal or through authorized race shops.

Pricing: Expect to pay a premium. While standard synthetic oil runs $8–$12 per quart, XAM Jenny Custom Oil typically ranges from $18 to $30 per quart depending on the complexity of the additive chemistry. For a 6-quart oil change, you are investing roughly $150 to $200. Given that a single engine rebuild costs $5,000 to $20,000, this is cheap insurance.

To understand the value of XAM Jenny, you first have to understand the flaw in standard oils.