WebSep 29, 2016 · The lobes of roller camshafts are machined perfectly flat. Roller lifters are linked together, or anchored somehow, to prevent them from spinning. Roller Cams minimize friction. This provides more power. It also wears less, which leads to a longer life. Roller cams also allow for steeper lobes. WebMar 13, 2009 · 1. To the first can roller lifters be used with a flat tappet cam, well yes but you'll be seriously disappointed with the result in terms of wear and power. - In terms of wear, flat tappet cams have a side to side slope intended to rotate the FT lifter.
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WebFeb 17, 2024 · When you install the lifters, make sure they fit well. Flat tappet lifters should rotate freely in the lifter bores. Any excess clearance or tight lifters can cause damage to the camshaft, leading to engine failure. Note: Contact your engine builder or block manufacturer for your specific clearances. 2. WebOct 23, 2015 · Of course you can do it. Are you talking about full roller rockers or roller tipped rockers. Full rollers will free up some HP and be easier on valvetrain parts. … dutch country stone
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WebAug 17, 2024 · With the smaller, smoother-idle, hydraulic roller cam, our 350 small-block laid down 387 hp and 416 lb-ft of torque, which is more than our lumpier, larger, flat tappet cam made! More... WebJun 15, 2012 · If you run a roller than all that goes out the window since you're better off running the cam/lifters out of the new motor or you can use your lifters, or some other stockers. The TBI heads are NOT Magnums, they are the same as older LA heads, even the factory used them with flat tappet cams and it is very common to do so. WebOct 12, 2012 · A 1.7 rocker puts 13.3% more pressure on the cam and lifter than a 1.5. It's may well not be an issue at all, if you consider that big blocks run 1.7 rockers, and their cam blanks are likely the same stuff as small block cams spec'd for 1.5 (from a hardness perspective, that is). I'd talk to the cam manufacturer,see what they say. cryptorchid dog surgery near me