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  2. What is the difference between 304 and 409 stainless steel?

    help.summitracing.com/knowledgebase/article/SR-03932/en-us

    The difference between the types of stainless steel is the amount of chromium and nickel found in each. 304 stainless steel contains a much higher percentage of chromium and nickel. This makes it much more resistant to rust. 409 stainless steel is still more rust-resistant than. 409 Stainless Steel. 304 Stainless Steel. Chromium. 10.5% - 11.75%.

  3. What type of metal should I choose for my exhaust parts?

    help.summitracing.com/knowledgebase/article/SR-04773/en-us

    Exhaust parts made from stainless steel have the best resistance to rust. However, they will rust over time. Stainless steel is the most expensive choice. It is also more difficult to bend and weld. There are different grades of stainless steel. 409 and 304 are the most popular grades used in exhaust parts. Even though they are both considered ...

  4. Category · Help Center - Summit Racing

    help.summitracing.com/knowledgebase/category/?id=CAT-01051

    What is the difference between 304 and 409 stainless steel? Exhaust Materials - 304 vs. 409 Stainless Steel. All stainless steel contains chromium and other elements. The added elements make the metal harder, stronger, and resist corrosion. The 2 main types of stainless steel used for exhaust parts are 304 and 409.

  5. Big Block Chevy Torque Specs · Help Center - Summit Racing

    help.summitracing.com/knowledgebase/article/HE-04926/en-us

    Fastener Type: Torque Specs: Main Cap Bolt (396-427, 2-Bolt) 95 ft.-lbs. Main Cap Bolt (396-454, 4-Bolt, Inner and Outer)

  6. Exhaust Material - Aluminized Steel · Help Center - Summit Racing

    help.summitracing.com/knowledgebase/article/SR-04778/en-us

    Aluminized steel is more expensive than mild steel. But, compared to stainless, it is very affordable. It is also easier to work with than stainless steel. The aluminized coating will protect the metal from rusting. However, if it is scratched or damaged, it will allow the metal to rust. Areas that scrape over a curb or get dinged by rocks will ...

  7. Exhaust Material - Mild Steel · Help Center - Summit Racing

    help.summitracing.com/knowledgebase/article/SR-04776/en-us

    The paint will protect the outside of the metal. However, moisture builds up in the exhaust when the engine is not running. This rusts mild steel exhaust parts from the inside out. In warm, dry climates, mild steel might last 2-3 years (or more) on a daily driver. When you introduce moisture and road salt, the life of the metal will be reduced.

  8. Chevy LT5 Engine Specs · Help Center - Summit Racing

    help.summitracing.com/knowledgebase/article/SR-05487/en-us

    PVD coated top ring, Chrome second ring, Nitride Stainless oil ring. Wrist Pin Dia. 0.9431 in. (full floating) Wrist Pin Material: Steel (with DLC coating) Connecting Rod Material: Powdered Metal: Connecting Rod Style: I-beam: Connecting Rod Length: 6.098 in. Connecting Rod Housing Bore: 2.225 in. Connecting Rod Bolts: M9 x 1 x 43: Connecting ...

  9. What's the best way to tighten stainless steel locking ties?

    help.summitracing.com/knowledgebase/article/SR-04599/en-us

    What's the best way to tighten stainless steel locking ties? Views: The best way to get a professional looking result when using Locking Ties is to use a tool specially designed for this purpose such as the Design Engineering Locking Tie Tool , which attaches to any 1/4" drive.

  10. Chevy LSA Engine Specs · Help Center - Summit Racing

    help.summitracing.com/knowledgebase/article/HE-04885/en-us

    Steel Powdered Metal. Connecting Rod Weight: 696g. Connecting Rod Style: I-beam, Connecting Rod Length: 6.098 in. Connecting Rod Housing Bore: 2.225 in. Connecting Rod Bolts: M9 x 1 x 40. Crankshaft Material: Forged Steel. Crankshaft P/N: 12623968. Crankshaft Rear Flange: 8-bolt. Crankshaft Main Journal Dia. 2.559 in. Crankshaft Rod Journal Dia ...

  11. Supercharging Basics – Engine Preparation · Help Center

    help.summitracing.com/knowledgebase/article/HE-04988/en-us

    For hot street or competition where higher boost is used, consider chrome or stainless steel piston rings. Use heavy-duty fasteners on connecting rods and main caps as well. These will add durability and strength. If running with high boost level (12 psi or more), consider using high performance head gaskets with built-in stainless steel O-rings.