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Problem with timing an Evo

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Old Mar 7, 2023 | 06:24 PM
  #41  
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Originally Posted by Max Headflow
Get some adjustables..
Ok guys, I'm not messing with these solid pushrods anymore. What brand should I get? Smith Bros? S&S?

Also, what cam too? Andrews EV27? Think Hot Rod mentioned that one a while back.

Ride safe!
 

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Old Mar 7, 2023 | 06:28 PM
  #42  
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Originally Posted by nutsandbolts5212
What do you mean by the cylinder studs looking back asswards? They are the originals. Only used the cometic gasket for the head gasket, no o-rings.

That curious looking stuff was some white powder residue, not sure about that. It wiped right off.

Ride safe!
Got a pic of your head bolts?
 
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Old Mar 7, 2023 | 06:32 PM
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Originally Posted by Max Headflow
Got a pic of your head bolts?
I do not, just put the head back on and the solid pushrods. The head bolts looked good.

Ride safe!
 
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Old Mar 8, 2023 | 02:43 AM
  #44  
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Originally Posted by nutsandbolts5212
Ok guys, I'm not messing with these solid pushrods anymore. What brand should I get? Smith Bros? S&S?

Also, what cam too? Andrews EV27? Think Hot Rod mentioned that one a while back.

What bounced around in the head.. I see marks in the combustion chamber.

Ride safe!
I have a set of S&S (not the quickies) if your interested..
 
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Old Mar 8, 2023 | 07:02 AM
  #45  
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Originally Posted by Max Headflow

Your cylinder studs look back asswards also...
The first year Evo's had had head bolts that looked like bolts. Threaded bolt with a thick washer. The stud was female. They changed soon after that.
 
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Old Mar 8, 2023 | 08:48 AM
  #46  
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Originally Posted by wfolarry
The first year Evo's had had head bolts that looked like bolts. Threaded bolt with a thick washer. The stud was female. They changed soon after that.
Yes that's exactly what I have.

Ride safe!
 
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Old Mar 8, 2023 | 08:51 AM
  #47  
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Originally Posted by 98hotrodfatboy
I have a set of S&S (not the quickies) if your interested..
I'm gonna try my solids one more time. The rear cylinder works with them so I believe it's just a matter of adjusting them correctly, which I believe I did the first time and setting the timing right. If not I'm gonna get the quickies. Thanks for the offer though Hot Rod.

Ride safe!
 
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Old Mar 8, 2023 | 09:02 AM
  #48  
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Originally Posted by wfolarry
The first year Evo's had had head bolts that looked like bolts. Threaded bolt with a thick washer. The stud was female. They changed soon after that.
Yeah, It looked factory but when I went to the HD website and checked they showed the later studs and nuts..
 
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Old Mar 8, 2023 | 09:14 AM
  #49  
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Just want to give a quick shout out to all those who helped it's greatly appreciated. Have some honey do list stuff to do this morning but later I'm gonna get her together and start her up to see where we're at.

Ride safe!!
 
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Old Mar 10, 2023 | 01:47 PM
  #50  
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Ok guys, back with an update:
I re-installed the front rocker box and pushrods and a funny thing happened. As I got all the bolts snugged good I checked to see if I could spin the front pushrods so I put them on the base circle and only the exhaust would spin. The intake would not so I tried several more times putting them on the base circle with the same result. I then did this to the rear cylinder and both pushrods were able to be spun. Double and triple checked and same result. I then got to thinking; maybe the pushrods were swapped because stupid me didn't mark them when I pulled them out initially. Effin' dummy.

So, I pulled the rear rocker box and pulled both pushrods out noting where they were positioned. Here is the result for both rear and front the way I had it set up:


I used the allen as a straight edge, not perfect but close enough for this....


So in order from left to right; rear exhaust, rear intake, front intake, front exhaust. All different sizes.

Now my logic for fixing my screw up is this; Since the rear pushrods spun on the base circle and only the front exhaust spun on base circle, I'm concluding that the intake pushrods need to be swapped then installed. Once buttoned up all pushrods should then spin on there respective base circle. The only change to the heads was Larry doing the valve job and me installing the HyLift lifters. That shouldn't have changed too much and I still should be able to use the original pushrods.

Now I know Max told me to get adjustables so I ordered the Smith Bros quick install Evo pushrods and are awaiting them to be shipped out. Larry only had the S&S adjustable and not the quickies otherwise I would have bought them. In the meantime, I'm gonna install and get this bike started. I can use the Smith Bros pushrods on my next Evo project.

What do you guys think of my breakdown?

Ride safe!
 
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