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HELP...Ticking pushrods

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Old 05-02-2008, 12:23 AM
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95CHUCK
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Default HELP...Ticking pushrods

HELP.... I have adjusted my pushrods (S.E. adj.) several times with the same results, ticking. After adjusting, I can start the bike and all is quite, ride down the road a little way, and the ticking starts, and gets noticably louder. Any advice?
 
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Old 05-02-2008, 01:21 PM
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Default RE: HELP...Ticking pushrods

Sounds like youre not waiting for the oil pressure to bleed off the lifter. Heres some good info:

As far as how many turns you want to adjust them to, it depends on the thread pitch. What you're trying to accomplish is to get the lifter plunger in the middle of it's range of travel. (actually just on the high side of it) Most lifters have about .200" travel so you want to make the pushrod .100" longer then it is with zero lash. What I've always done is, bring the cam lobe to it's lowest point (on base circle) and run the pushrod adjuster out to where there is zero lash (no play), then count the number of FLATS (flat sides of the adjuster nut) it takes to SLOWLY run the lifter through it's *total* range of travel. Then just back it off half the number of flats it took to fully compress it. (if it took 44 flats to go through the travel, 22 flats back out will be half way up) Then just bring the others out to zero lash and turn them 22 flats in or "longer". (22 is a hypothetical number, for discussions sake only!!!)
CAUTION: if the lifters have had oil in them turn the adjuster one turn (6 flats) at a time and then allow it to bleed off pressure (about 5 minutes of sitting) before continuing with the next "compression" cycle. You'll know when it's bled off because you will be able to spin it with your fingers. You will know when you reached the bottom of the lifter travel because it will no longer "bleed off" and spin, no matter how long it sits. At this point the valve is being held open and if you continue much past this point you COULD cause damage. DO NOT TURN THE ENGINE OVER WITH THE VALVES HELD OPEN!!
If you know the thread pitch on the adjusters you can easily calculate how many turns of the adjuster is .100". For instance, if you have 29 threads per inch (TPI) then 2.9 turns will be one tenth (.100" ) of an inch. If you have 32 tpi, then 3.2 turns will be .100". If you have 40 tpi, 4.0 turns will be .100". etc.
You can either use a thread pitch gauge or get a rule and count how many threads are in one inch of threadAs far as how many turns you want to adjust them to, it depends on the thread pitch.
Threads Wrench Total Travel Distance Distance
per inch Flats Distance Per Turn Per Flat

24 15 .1042" .0417" .0069"
28 17 .1011" .0357" .0059"
32 18 .0937" .0313" .0052"
36 21 .0965" .0275" .0045"
40 24 .100" .025" .0042"
52 30 .0962" .0192" .0032"


(Chart 2)

POPULAR PUSHRODS

Pushrod Thread/inch


Andrews® 28
Andrews® 32
Crane® (New Time Saver) 28
Crane® (Old Time Saver) 24
Crane® 32
H-D® 32
H-D Screaming Eagle® 32
JIMS® Worksavers Evo 24
Slim-JIMS® Pan/Shovel 32
S&S® 32
RevTech® 36
Rivera® Taperlite 40
 
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Old 05-02-2008, 11:40 PM
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Default RE: HELP...Ticking pushrods

I have let the bike sit for several hours before adjusting the pushrods, making sure the lifters were blead down. The more I think about it, it sounds more like a lifter to me. I have a set of Fueling HP+ lifters that I am planning on installing just to see if thats the problem. Thanks for the info.
I have another problem that just started....it wont idle at all. I have pulled codes, and get code 63. What else?
 
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