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ACR's and clean up.

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  #31  
Old 01-12-2019, 02:18 AM
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I would think around $200? They are a slight upgrade over earlier heads and some folks like to have a set to send out to be reworked without the downtime.
 
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  #32  
Old 01-12-2019, 03:16 PM
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I did the head swap with 103 heads with the ACR's on my 2010 when I did the motor. I didn't want to mess with sticking my hand on a hot head every time I wanted to start it.

I went all out on my motor, heads, cams, big bore. I sold the 48's that I had in it before. The dyno showed 126tq 116hp. Shop said I could pick up a few more with a different exhaust (D&D is what they wanted me to go with). The bike is a bast to ride and I haven't had any issues with durability with the bottom end. I did install an AIM VPC clutch when I did it. If you are going that far why not go all the way? The shop that did it does a lot of builds like mine and said that they have seen as many stock bikes with crank issues as they have motors that are built up. They also said that they have not seen many that had shifted in either configuration.
 
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  #33  
Old 01-12-2019, 07:47 PM
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Originally Posted by todd-67
I did the head swap with 103 heads with the ACR's on my 2010 when I did the motor. I didn't want to mess with sticking my hand on a hot head every time I wanted to start it.

I went all out on my motor, heads, cams, big bore. I sold the 48's that I had in it before. The dyno showed 126tq 116hp. Shop said I could pick up a few more with a different exhaust (D&D is what they wanted me to go with). The bike is a bast to ride and I haven't had any issues with durability with the bottom end. I did install an AIM VPC clutch when I did it. If you are going that far why not go all the way? The shop that did it does a lot of builds like mine and said that they have seen as many stock bikes with crank issues as they have motors that are built up. They also said that they have not seen many that had shifted in either configuration.
I hate when a post is written in a such a way that it makes me think of course I need to go all the way.

I got a while to wait for the weather to be hot enough to cause a hot start issue. I’ll think about my options for a bit...

You got me thinking back to what I talked myself out of last year. FM 107 with 555’s was my thought before doing cams only.
 
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  #34  
Old 01-12-2019, 08:08 PM
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IMO or at least it works for me
If you put in a big enough cam for the correct CR pistons you don't need compression release.
It is that 1/2 arsed jobs that get stoick , a very high static CR.
They get HOT, Pingy, stubborn, hard starting,
 
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  #35  
Old 01-12-2019, 08:38 PM
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Originally Posted by Kingglide549
IMO or at least it works for me
If you put in a big enough cam for the correct CR pistons you don't need compression release.
It is that 1/2 arsed jobs that get stoick , a very high static CR.
They get HOT, Pingy, stubborn, hard starting,
Did my homework on 48’s with stock 96” and did not see it being an issue. Most of the time it starts up okay. Not too many kick backs after the SE COMP upgrade.

Im just ready for a run on the Dyno and don’t want to do it until I’m confident I can leave it alone for a couple years.
 
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  #36  
Old 01-12-2019, 09:08 PM
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You gits the disease!
HRH (hot rod heart) you ain't going to leave it alone anymore then I am.
Every winter is a transformation.
 
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  #37  
Old 01-12-2019, 09:25 PM
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... and you don't have to buy the HD harness for the ACR's just wire them through the "start switch" and you're good to go ... Just a thought
 
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  #38  
Old 01-12-2019, 11:02 PM
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These forums are hard on the wallet!
 
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  #39  
Old 01-13-2019, 07:49 AM
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Originally Posted by Uncle Larry
... and you don't have to buy the HD harness for the ACR's just wire them through the "start switch" and you're good to go ... Just a thought
On the 2011 Road King with the 96" engine the harness and connectors for ACRs is already there. FYI for anyone who's thinking of ACRs on a Touring bike newer than 09.




 
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  #40  
Old 01-13-2019, 08:35 AM
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Originally Posted by 23Seven


I hate when a post is written in a such a way that it makes me think of course I need to go all the way.

I got a while to wait for the weather to be hot enough to cause a hot start issue. I’ll think about my options for a bit...

You got me thinking back to what I talked myself out of last year. FM 107 with 555’s was my thought before doing cams only.
I don't want to hurt your wallet but I can say it's worth it. I didn't have a huge problem with hot starts with the 48's. Either way you go the compression releases make a difference.
 
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