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Old 05-07-2009, 06:21 PM   #1 (permalink)
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lifter blocks

I decided to ordered some TWIN CAM EASY INSTALL HQ-4055 and BLACKOPS LIFTERS HQ-4225-04 , right now I have the HQ-4050 adjustable pushrods installed , with the stock HD lifters in my 02 TC 88. My question is if I loosen off the pushrods completly can I loosen the lifter blocks and with amount of available play from pushrods slide the lifter blocks and pushrods out at the same time so as to save me having to remove gas tank at rockers again? The lifter block in the manual appears to have a flat bottom allowing them to slide either way once loosened off.
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Old 05-07-2009, 06:45 PM   #2 (permalink)
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Yes, I believe that will work, but it is easier to just cut the old push rods in half. Slide the push rod tube up so you can get at the push rod and then cut it in half with a bolt cutter.
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Old 05-07-2009, 06:53 PM   #3 (permalink)
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Yes, I believe that will work, but it is easier to just cut the old push rods in half. Slide the push rod tube up so you can get at the push rod and then cut it in half with a bolt cutter.
There brand new only been in the bike for a week and I will be replacing the lifters any way.
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Old 05-08-2009, 06:01 AM   #4 (permalink)
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There brand new only been in the bike for a week and I will be replacing the lifters any way.
Sliding them out with the lifter block should work, thats how the S&S ones install.
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Old 05-08-2009, 06:57 AM   #5 (permalink)
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There brand new only been in the bike for a week and I will be replacing the lifters any way.
Sorry, Forgot you already replaced them.
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Old 05-08-2009, 09:44 PM   #6 (permalink)
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When you say lifter blocks I assume you're talking lifter covers?
I'm in the middle of reassy and I just installed mine yesterday. I believe the lifters will be in the way preventing you from sliding the cover out. You should be able to remove the top pushrod tube clip and slide the lower tube up allowing you to raise the lifter cover and clear the lifters. I've never done it but it seems like it would be doable.
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Old 05-08-2009, 09:52 PM   #7 (permalink)
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When you say lifter blocks I assume you're talking lifter covers?
I'm in the middle of reassy and I just installed mine yesterday. I believe the lifters will be in the way preventing you from sliding the cover out. You should be able to remove the top pushrod tube clip and slide the lower tube up allowing you to raise the lifter cover and clear the lifters. I've never done it but it seems like it would be doable.
I believe your correct, when I first installed the HQ stock adjustable pushrods I found if I had another 3/16 clearance I could have pulled them out , so should be no problem.
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Old 05-08-2009, 10:07 PM   #8 (permalink)
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This is the reason that most people go to adjustable push rods. standard length pushrods have .030 either way. If you mill .030 off the heads AND run a thinner gasket, it is then time to run adjustables or smaller push rods. adjustables are used most of the time so that a cam set change can be done without removing the valve covers and rocker arm assemblies.
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