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Old 08-10-2003, 03:14 PM
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how to tell if my engine has a stock roller cam?

how can i tell if my engine has a stock roller cam? i tried pulling a rocker, pulled the pushrod, and i tried pulling the lifter out, but i couldnt pull the lifter out all the way. any advice is appreciated.
gino

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Old 08-10-2003, 03:23 PM
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a roller cam has a "spider" on it, that bolts into the lifter gallery that holds the lifters in place and they also have anti rotate plates on them with a square shape so the roller lifter can`t rotate in the bore. however, the 87 and up small block chevy truck engines don`t have a roller cam, but they use a roller block, as far as i know, you can install a roller cam and all the hardware into this block with no problems, the pre 87 chevy engines never came with a roller cam, and the lifters won`t interchange.
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Old 08-10-2003, 06:40 PM
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Old 08-10-2003, 08:40 PM
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Aren't the pushrods for a roller cam in the niehborhood of 1 1/2 shorter than the non-roller?
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Old 08-10-2003, 10:31 PM
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Measure a pushrod. If it's 7-3/4" to 8" long, it's not a roller. If it's more like 7-1/4" to 7-1/2", it's a roller.
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