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Author Topic: Harley 117 Kit  (Read 467312 times)

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davidw221

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Re: Harley 117 Kit
« Reply #1425 on: February 10, 2018, 05:58:10 AM »

Several friends of mine went with the HPI 58MM. TB. I also went with it. I didn't dyno my bike because I'm running a Thundermax, and didn't want to spend the money. Everyone one that went with the TB loves it, they all noticed a huge low end response difference. I have a 117 and am looking for all the HP I can get out of it, I'm trying to get educated in Baffles, and size with performance increases, I have Rinehart tru-duals, and 31/2 pipes, so I'm looking to squeeze a little more HP out of the Exhaust system, will 2" baffles work, since I have the stock baffles in the pipes?
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HD Street Performance

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Re: Harley 117 Kit
« Reply #1426 on: February 10, 2018, 11:22:15 AM »

It may be a perception of throttle response but smaller throttle movements provide the same air the smaller stocker did. A dyno sheet may not look like there is improved torque. The stocker with added (faster) throttle progressivity adjusted would do the same. The larger throttle body is a horsepower move and unless you are in the 120+ neighborhood may not be value added.
More low end torque will come from getting rid of the Rineharts. Not the worst true dual but a Fulsack DX with recorded stock mufflers will be a better torque move.
« Last Edit: February 10, 2018, 11:23:59 AM by HD Street Performance »
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Texas 103

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Re: Harley 117 Kit
« Reply #1427 on: February 14, 2018, 12:44:46 PM »

For what I am reading in your post you really might prefer the SE585. It plays well with only a .030 head gasket change. It may not produce the big hp numbers that some show, but the torque curve that you use to ride will more than make up for the missing ponys

Plays good with .030 gasket. 2.120 intake, zero deck, 121/136 torque curve straight up
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stratplexi

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Re: Harley 117 Kit
« Reply #1428 on: February 16, 2018, 11:18:07 PM »

Plays good with .030 gasket. 2.120 intake, zero deck, 121/136 torque curve straight up

I am going to go with the 585 and .030 head gaskets. Do I have any concerns with the stock CVO heads having valve interference issues with the pistons in the 117 kit?
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CVCVORG

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Re: Harley 117 Kit
« Reply #1429 on: February 17, 2018, 11:12:11 AM »

No the stock CVO heads stay on with the 117 kit.

I thought it might come higher flowing heads, but the 117 kit does not
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stratplexi

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Re: Harley 117 Kit
« Reply #1430 on: February 17, 2018, 11:44:05 AM »

No the stock CVO heads stay on with the 117 kit.

I thought it might come higher flowing heads, but the 117 kit does not

Yes, it uses stock heads but I am assuming the head gaskets are .040 or .050. Was thinking of going with cometic .030 to add .1 or .2 compression to the 9.9:1 of the kit and didnt know if there was a chance of interference with intake valves. I am probably overthinking and will confirm with mechanic.
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Yellow09SERG

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Re: Harley 117 Kit
« Reply #1431 on: February 18, 2018, 12:10:16 AM »

Yes, it uses stock heads but I am assuming the head gaskets are .040 or .050. Was thinking of going with cometic .030 to add .1 or .2 compression to the 9.9:1 of the kit and didnt know if there was a chance of interference with intake valves. I am probably overthinking and will confirm with mechanic.

I wouldn't call that overthinking, I would call it doing it right. Using stock valves you will probably be ok on valve to piston clearance. If you were to have head word done and use the 2.12 intake valve then it seems to be a crap shoot if it clears or not. Mine with heads cut to 93cc using the 24D cam had to have the intake pocket in the piston opened up a little. Either way you go with heads I would suggest checking.
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Texas 103

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Re: Harley 117 Kit
« Reply #1432 on: February 18, 2018, 09:37:46 AM »

I am going to go with the 585 and .030 head gaskets. Do I have any concerns with the stock CVO heads having valve interference issues with the pistons in the 117 kit?

We zero decked mine ,used a 2.120 intake, milled the heads ( wet head)  .018  along with the .030 gasket, checked it  didn't have a problem. Not that big a deal to check if you know the process.  If not that familiar with the process there are very sharp guys here that can help . I talked to  John Sachs, he walked me through the process. My builder was already a step ahead of me and took care of it. John Sachs,  Kirby, etc;. Maybe one of them will chime in.     

I have not heard of an issue, but I don't do this for a living.   Make sure and check anyway  ! just for peace of mind... 
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HD Street Performance

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Re: Harley 117 Kit
« Reply #1433 on: February 18, 2018, 09:55:48 AM »

I would not be the one to help because I don't speculate. I tell the builders to check them unless I supply custom pistons that have had the reliefs set specifically for the build and the piston company was given a drop height. If I have the cylinders, pistons, and barrels here with the heads I can check the combination.
My suggestion clay the combination, perform a mock up.
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stratplexi

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Re: Harley 117 Kit
« Reply #1434 on: February 18, 2018, 04:50:49 PM »

Thanks gents for all the feedback. Good advice...
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stratplexi

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Re: Harley 117 Kit
« Reply #1435 on: February 19, 2018, 05:48:38 PM »

I talked with my mechanic this morning and he definately recommemds the 585 cam over the 259 in a dresser. So we ordered the kit and cams today. He is a little backed up on work but thought he would get it done by the end of the month.  I’ll report back after its done. I am dreading another break in period but oh well....
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Yellow09SERG

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Re: Harley 117 Kit
« Reply #1436 on: February 19, 2018, 08:08:22 PM »

I talked with my mechanic this morning and he definately recommemds the 585 cam over the 259 in a dresser. So we ordered the kit and cams today. He is a little backed up on work but thought he would get it done by the end of the month.  I’ll report back after its done. I am dreading another break in period but oh well....

Think you will be happy with the 585 for what you are asking for out of the bike.
Break it in on the dyno and by the time the tune is done you will be good to go
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CVCVORG

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Re: Harley 117 Kit
« Reply #1437 on: February 19, 2018, 10:33:50 PM »

My 117 kit was installed with Cometic head gasket and I kept stock CVO heads.

No issues
 :drink:
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bakon

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Re: Harley 117 Kit
« Reply #1438 on: February 20, 2018, 06:24:08 AM »

Cosmetic .030 gasket.
Stock wethead 110 heads worked but kept stock valves and  Decked .009.
Pistons .006-7 in hole.
S&S 585.
No problems
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Yellow09SERG

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Re: Harley 117 Kit
« Reply #1439 on: February 20, 2018, 10:38:55 AM »

Somewhere in this thread I posted a couple pics where I clayed the valve/piston clearance and you can see where the valve clips the top of the relief. 0 deck, .028 off the head if I remember right, and 2.12 valve.
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