Your Guide to Replacing Engine Valve Cover Gaskets on a 1975-1982 Ford Granada
Stop those annoying oil leaks and burning smells with the right valve cover gasket set for your classic Granada.
- The most common failure symptoms are a burning oil smell and visible oil leaks on the side of the engine.
- You must buy the correct gasket for your engine; the inline-6 and V8 gaskets are not interchangeable.
- Do not overtighten the valve cover bolts. This is a primary cause of leaks, as it can bend the valve cover.
- Modern rubber gaskets from brands like Fel-Pro or Victor Reinz often provide a more durable and forgiving seal than original-style cork gaskets.
Is Your Granada's Valve Cover Gasket Failing?
On a classic car like the 1975-1982 Ford Granada, gaskets are a common wear item. The original materials simply break down over time due to heat and age. When the valve cover gasket fails, it creates problems that are easy to spot if you know what to look for.
Signs of a Bad Valve Cover Gasket
- Burning Oil Smell: This is the most common symptom. Oil leaks from the gasket and drips onto the hot exhaust manifold, where it burns off, creating a distinct and unpleasant smell that can enter the car's cabin.
- Visible Oil Leaks: You'll see oily, greasy grime building up on the side of the engine, just below the valve cover. On the inline-6 engine, this will be on the side of the engine block; on V8s, it will be on the top of both cylinder heads.
- Smoke from Engine Bay: A significant leak can produce visible smoke from under the hood as the oil hits hot engine parts.
- Low Engine Oil: A persistent leak will cause your engine oil level to drop over time. It's important to fix the leak to avoid running the engine low on oil, which can cause serious damage.
Choosing the Right Aftermarket Gasket
Since original Ford gaskets for this vehicle are no longer readily available, the aftermarket is your go-to source. You'll find two main types of gaskets: traditional cork and modern rubber or silicone. The stamped steel valve covers on these old Fords can sometimes be slightly warped, which influences the best gasket choice.
Brand & Material Tiers
Premium (Rubber/Silicone):
- Fel-Pro: A highly trusted brand for American cars. Their modern rubber or silicone gaskets often feature steel cores and torque limiters to prevent over-tightening, which is a common cause of leaks. They are an excellent choice for a long-lasting, reusable seal.
- Victor Reinz: Another top-tier brand, often compared directly with Fel-Pro. They produce high-quality rubber gaskets that are known for their pliability and excellent sealing on older engines.
- Cometic, Edelbrock: These are performance-oriented brands. While excellent, they might be overkill for a stock Granada unless you have aftermarket aluminum valve covers.
Pro Tip: For stamped steel covers, modern rubber gaskets from Fel-Pro or Victor Reinz are generally the best bet. They conform better to slight imperfections and are less prone to crushing than cork.
Standard (Cork & Cork/Rubber Blend):
- Mr. Gasket: A classic name in the hot-rod and muscle car world. They offer both traditional cork and cork-rubber blend gaskets. These are a good budget-friendly option and can provide a great seal if the valve cover flange is perfectly flat and they are installed carefully.
- Apex, Trans-dapt, Victor Gaskets: These brands often provide standard replacement cork or cork-blend gaskets that meet or exceed original specifications. They are a cost-effective solution for a stock vehicle.
Cost at a Glance
| Part Type | Price Range | Notes |
|---|---|---|
| New Aftermarket Gasket Set | $16.06 - $72.30 | Price depends on brand, material (cork vs. rubber), and engine type (I6 vs. V8). |
| Shop Labor | $100 - $250 | Estimated cost for a professional mechanic to perform the replacement. |
Frequently Asked Questions
What's the difference between cork and rubber gaskets?
Cork gaskets are the traditional style. They are inexpensive but can dry out, crack, and become brittle over time. They are also prone to being crushed if you overtighten the bolts. Rubber or silicone gaskets are more modern, more durable, and more forgiving of slight imperfections in the valve cover. They can often be reused if the valve cover is removed for service.
Do I need to use sealant with my new gaskets?
It depends on the gasket and the mechanic's preference. Many modern rubber gaskets are designed to be installed dry. A common practice is to use a small amount of RTV sealant just at the corners or sharp bends. Some mechanics apply a thin layer of adhesive like Permatex High-Tack to hold the gasket to the valve cover during installation, but leave the side that touches the head clean. Always follow the gasket manufacturer's instructions.
How tight should the valve cover bolts be?
Not very tight at all. The specification is typically very low, around 3-5 ft-lbs. It is extremely common for people to overtighten these bolts, which bends the stamped steel valve cover and guarantees a leak, no matter how good the gasket is. Tighten them just enough to be snug, then give a small extra turn. Check them again after a few heat cycles.
Will a V8 gasket set fit my 6-cylinder Granada?
No. The inline-6 (200 or 250 cid) has one long valve cover and requires a specific gasket. The V8 engines (302 or 351W) have two smaller valve covers and require a different set. You must order the part that is specific to your engine.
Are there any recalls for this issue?
No, there are no recalls or common Technical Service Bulletins (TSBs) from Ford related to valve cover gasket leaks on the 1975-1982 Granada. Failures are simply due to the age of the original gasket materials.
Technical Specifications
Gasket must match the vehicle's specific engine: 200ci I6, 250ci I6, 302ci V8, or 351ci V8.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.