Need to know asap!!
#16
TECH Fanatic
iTrader: (15)
They look like LS7 lifters to me. Either way it doesn't really matter what they are as long as they are in good shape. I have seen ls7 lifters fail just as often as the regular ls1 lifters. The ls7 are just the replacement for the ls1 style lifters so that's why everyone gets them. I don't think there is any advantage to them other than being newer.
#17
Custm2500's Rude Friend
iTrader: (17)
Actually there is a slight difference betwen the original open design and the later closed design. But it's so minor you wouldn't notice unless you measure it. It was redesigned to make it more reliable part.
Looks like you have the more desirable part. You should be fine. The same part number services several engines.
Looks like you have the more desirable part. You should be fine. The same part number services several engines.
#18
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i just went out and opened up a brand new box of ls7 lifters and the OP's look exactly like what i have. i wouldnt worry one bit, just go install them. for reference, the part# on my box is 17122490...
#20
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correct, i shoulda been more specific. I opened up a box for a single lifter within the set.