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I bought an old stock, but new 5.7 longblock. This is a vortec engine with roller cam, cast iron high rise manifold and Edelbrock carb. I have used Royal Purple break in oil for the first 10-12 hours. I am ready to change oil and filter and start using a good synthetic. Is there a consensus on what type of oil, straight, multi weight, etc. Can I use a different weight oil for the 454? You can, but there’s no telling what effect it will have on your engine. We have friends in the garage who use 10W-40 motor oil for higher-mileage 454 big blocks. Some say it reduces oil consumption, while others say the thicker consistency affects the flow of the oil in cold weather. The LS based small-block engine is the primary V-8 used in General Motors' line of rear-wheel-drive cars and trucks. Introduced in January 1995, it is a "clean sheet" design with only rod bearings, lifters, and bore spacing in common with the longstanding Chevrolet small-block V-8 that preceded it as the basis for GM small-block V-8s. 65-74 Oil Pan - 396 / 427 / 454 - GM Replacement (ND) 0 reviews write a review This big block oil pan is a factory 5 Quart (filter is 6th quart) constructed of high quality steel and features a rear sump design with a dipstick provision on the passenger side. Banks Products for 1996-00 GM 7.4L Vortec. Pull more power capacity out of your 1996-00 GM 7.4L Vortec Motorhome with our system upgrades. You can see our full selection below, or shop in our product categories to the left.
Heavier oil might help if your oil pressure is low, but no reason to go to 10-40 just because it's old. I would stick to a 10-30 unless there is a good reason to go to a thicker oil (like towing long distances). Many brands carry a "high mileage" formula that helps engines with worn valve guides and hardening gaskets.
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Sep 14, 2011 · Because of this, it may be harder for a wider range oil to remain in grade as the miles accumulate which is why GM does NOT recommend using 10W-40, 15W-40, 20W-50 motor oil in gasoline engine. They say it breaks down too quickly and does not say in grade as long as 10W-30 or 5W-30 because of the amount of viscosity improvers needed to meet the ... Quadrilateral abcd is graphed on the set of axes below. which quadrilateral best classifies abcd.
Jun 01, 2017 · 7.4L 454 vortec oil pump. Thread starter 99Burb454; Start date Jun 1, 2017; 9. 99Burb454. Messages 49 Location Missouri. Jun 1, 2017 #1 Dual Remote Oil Filters Marine Power's trademark originating from our commercial days. ... Vortec 223/166: S5.7V Vortec 315/235: S454S Standard 330/246: S6.0VL ...