Had a liter blow up, found roller pins in the oil pump, so fudged....
New fueling lifters old set of push rods that came in a goodie box from previous owner.
Put it all back together and it runs quiet for a few minutes until warm up and the valve noise is embarrassing
adjusted the push rods so many times it looks like i know what i am doing.[ i don't], but cant afford $95.00 per hour techs.
So here i am. Not really wanting to tear it down. Any suggestion ????????????/

 

Roller pins in the oil pump could mean other shrapnel is elsewhere in the motor. I've seen a blown lifter eat the cam in an EVO. For starters, can you rig an oil pressure gauge to check what you're delivering to the engine? It sounds like you will want to open up the timing case for a detailed inspection along with the oil pump. As and when others chime in it would be good to provide your bike's year and mileage. I'm hoping the damage is minimal.

 

Did the lifter pins score the lifter bores? If so the oil pressure could be leaking out there instead of going up to the rocker assembly.

And there's always rocker shaft tapping

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Sorry for your engine troubles...

You are missing a lot of information if you want any kind of meaningful assistance with this issue......

What is the year, model, and engine mods of the bike we are discussing?

Did you disassemble the entire cam chest and look for debris in the cases?

Did you inspect the lifter bores for damage/scoring?

Did you put in a new oil pump?

Did you put in a new cam plate?

I'm guessing you used adjustable pushrods....? If they were quiet at first and then got noisy: Did the pushrod adjuster come loose? Were they adjusted on the base circle of the cam, allowed to bleed down, and then rotated to the base circle for the other cylinder to be adjusted?

Worse case scenario.... You didn't properly clean/inspect the cases, you adjusted the pushrods correctly, and there is/was more debris in the engine that just cooked another oil pump.

So many other possibilities too, but they would be based on how you handled the first repair.... Please be specific on your original repair steps/findings.... We then may be able to offer some educated guesses and appropriate recommendations...

Just based on the little info you offered, at minimum, I would disassemble the entire cam chest, look for debris, damage, and based on what I found, I would decide if I need to split the cases.... I would probably also remove the rocker box covers to inspect the rocker arms, and bore scope the cylinders....

 

1995 heritage clasic: As to the repair it was originally under taken by a friend...[ no longer]. He replaced the lifters , did not replace the cam bearings,reassembled the bike without anticpating that the oil pump was clogged. New oil pump , and here is were the adjustible pushrods come into play. He could not adjust them. Didnt know the brand ,or what ever. So he tells me that theres a stuck valve. And he does a hudini . That 2 months ago since then . I have changed the oil lines and flushed the oil 3, or 4 times readjusted the push rods countless times. Determinde my tghread count,18 flats put the rear cylinder zero cam,andadjusted the front,and vise versa.. I am a cartenter/contractor, know enough about combution engins to be dangers to them. So.... I have a steep learning curve here. I have done nothing else.dont know how to check the oil persure . Will tellyou that i can notise a significate reduction in the vale clapping at start up. It does not do it untillit warms up. Hopefully i have not caused extensive damege to the engine. But at this piont i am resinged to having to do just that. Also … i take it to a indi shop and have them charge me 95/ hr to tellme what, they know they can tell me just about anything. ,you need a new engine, etc so take my skill level,and the problem at hand... One more detail the bike was purchased from the service manager at a harley davidson shop by the previous owner,and he managed to put about 3500m miles on it in 15 years it currantly has 49000.i have put new tires, new stator & rectifier,new roters and pads oil changes h.d. Oil and thats it until now . The bike cam with every sergvice record done at the dealer,and the date and milage.it was originally from texas,and has a .580 cam screaming eagle something under the seat, and pythons .the push rods originally were non adjustable,cut those off when dude replaced the oil pump. And those were in the goodie box that came with the bike [ i m sure theres a reason they were in the box and not the bike.....

 

I don't follow.

You need a service manual. I get them for my bikes on the internet, usually at amazno

 

OP, put some effort into making your posts readable.

Paragraphs......

 

You are hard to understand.... but if I follow you correctly...

Your ex-friend replaced the lifters and the oil pump, because he "anticipated it was clogged", when the lifter blew up....

If he just "anticipated the oil pump was clogged", without checking anything, I wouldn't assume he checked the cam chest for debris, or the cams, cam plate, and lifter bores for damage...

If you can't/won't pay an expert (good independent shop), you need to first invest in an Harley Davidson service manual for your year/model bike... and you could also go to youtube and watch the many videos, several by S&S, FuelMoto, and other shops that are very good, showing how to disassemble and reassemble the cam chest of your bike..

It's time to take it back apart, see what happened when the lifter "blew up", not just guess... but actually look for what, damage was done, and fix it accordingly... I would also open the rocker boxes to check the rocker arms and I would bore scope the cylinders....


PS- One thing your ex-friend was right about, if he doesn't know the make of the adjustable pushrods, and doesn't know the thread pitch of the adjusters, he can't properly adjust them.... but there are ways to figure it out, with the right tools...