Stock Rocker Wipe Pattern Width
#1
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I have been going back and forth on whether to install my Crane setup (fully adjustable) or the stock rockers. I did a wipe test tonight on my stock rockers and they appear to have a fairly wide wipe pattern. I can move it around on the valve stem with shims, but the width actually stays pretty big. Has anyone checked the wipe pattern with the stock rockers?
I don't have the heads on the car yet, but the block is ready and so are the heads. I am doing a simple mark test at valve closed and valve open and the marks indicate the rockers are wiping much wider than I can set up the adjustables.
How wide have people found their wipe pattern to be on the stock rockers?
I don't have the heads on the car yet, but the block is ready and so are the heads. I am doing a simple mark test at valve closed and valve open and the marks indicate the rockers are wiping much wider than I can set up the adjustables.
How wide have people found their wipe pattern to be on the stock rockers?
#3
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Hey Vettenuts,
Did you ever get an answer on what the stock rocker pattern should look like?
Just curious as I'm trying to triple make sure mine is correct.
PewterC5-2000
Did you ever get an answer on what the stock rocker pattern should look like?
Just curious as I'm trying to triple make sure mine is correct.
PewterC5-2000
#4
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well, I didnt do it on a stock setup, but while claying my engine, I decided to see what the stock pushrods did to my milled head, thinner gasket, comp cams (read should need diff. length pushrods) setup. and it looked good. I havent used my pushrod length checker yet, figured Id do that once the heads are bolted down. anyways, long story short, it looks like it had a good wipe pattern. it is a very wide pattern. covers Id say 80% of the valve tip. I can get pics for you mid. week, when I get back out to the garage and do the clay test again.
#5
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Quick answer, no. 80% is too much in my opinion with higher spring pressures. I also found the rockers wipe on the side of the valve stem. I went with the Cranes. I found the wipe pattern of the stockers unacceptable with higher lifts and higher spring rates. No one really looks at this, but I wonder how much valve guide wear people are getting with their aftermarket valve train and stock rockers.
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Originally Posted by vettenuts
Quick answer, no. 80% is too much in my opinion with higher spring pressures. I also found the rockers wipe on the side of the valve stem. I went with the Cranes. I found the wipe pattern of the stockers unacceptable with higher lifts and higher spring rates. No one really looks at this, but I wonder how much valve guide wear people are getting with their aftermarket valve train and stock rockers.