S&S and HD bolt on 110” piston and cylinder builds.

[838]

How are these are holding up as people are starting to rack up some miles on them?

Vendors/Machine shops are you recommending these instead of boring stock cylinders to 107"?

[Don D]

They seem to be OK but I still do a lot of 107" bore and hones with stock cylinders using KB heavy duty series line2line coated pistons, half the cost for 3"? The HD 117" have not been as successful. Those spigots are .028" thin.

[Hillside Motorcycle]

Haven't seen any issues here, and do show more power than a 107", by 3/3 as a rule.
Our #HMM1070 Wiseco/J&E kits boring to 107" are less than 1/2 the cost, with a complete Cometic top-end gasket set.

[Sunny Jim]

We recently lost a local lad to a motorcycle accident!
He was a great technician!
his Go to kit was a 107 with CP pistons and a SE266 Cam set at 11.5:1.
Ever reliable and very tuneable!
Huge gains in hp andtorque with the righ exhaust.

[838]

Haven't seen any issues here, and do show more power than a 107", by 3/3 as a rule.
Our #HMM1070 Wiseco/J&E kits boring to 107" are less than 1/2 the cost, with a complete Cometic top-end gasket set.

I can find 3hp by removing some gear and cutting out the pre ride breakfast burrito!!!

[Johnwesley]

i was looking at a 98" or 100", 4"bore, so I called s&s. they recommended that I go to the 98". reason he explained to me was the difference in expansion rates with the liners on the two. the 100" need to be thoroughly warmed up before accelerating or reving the bike up. they have had some issues they are traced back to a cold bike and reving up before pulling out and or excellerating before completely up to temp.

I explained the worse case of that for me was stoping for food and a break and then jumping back on the interstate. He said for that kind of riding i would be better suited to the 98" since its a lot more forgiving. All of that said I'm just giving info without personal knowledge. I really wanted for him to say it didn't matter run which ever I wanted.

[harpwrench]

I've been running the SE 110 bolt-on for about 40k, last year and this year. It's still doing great, uses no oil, was broken in on the dyno (130 hp) and gets twisted hard daily.

[838]

I've been running the SE 110 bolt-on for about 40k, last year and this year. It's still doing great, uses no oil, was broken in on the dyno (130 hp) and gets twisted hard daily.

Stock bottom end with that 130hp??

[harpwrench]

I found sticky rods when I pulled the 103 down so it got S&S flywheels

[Brew61]

I have been running the S&S 110 kit now for about 15 -20 Kms now. I built it back in Jan of 2018. So far extremely happy with it.

I had built a 107 before that and didn't have much luck with it. If I was stuck in stop and go traffic in hot weather it would over heat fast. Didn't take long for the engine light to start flashing. With the 110 I have been stuck in stop and go a few times in really hot weather and no over heating.

I had HD Performance do the heads for me and set them up for the 110 (he did a great job at that)and still ran the S&S easy start 585 cams that I had in the 107. Changed out the throttle body to a HPI 55mm.I also changed out the noisy S&S lifters for Larry's Hylift Johnsons lifters so no more valve train rattle. I run a Thunder Max tuner that I have had on the bike for about 7-8 years now.

Never had it on a dyne but it does produce great power and very happy with the build and it has turned out to be very reliable.


Bruce

[Thermodyne]

I've been running the Tire Shredder kit from the MoCo for going on about 3 years now.  Timkin conversion and S&S wheels with 585 gear drive cams, and an S&S oil pump and cam plate.   129/125 tuned with a Thundermax.  No issues with the motor.  Can't say the same for the drive train. 

[C-Cat]

What are the usual or approximate deck height #'s for each kit? I know my S&S was down but didn't measure. Too much of a rush to be up and running.

[harpwrench]

Mine were down .005

[838]

I've been running the SE 110 bolt-on for about 40k, last year and this year. It's still doing great, uses no oil, was broken in on the dyno (130 hp) and gets twisted hard daily.

Do you feel like the piston cylinder clearances on the kit we're good vs. bore and hone? KB makes a piston for these cylinders that are .001" over to allow for precision fit.

What cc are the pistons that come with the HD kit

[harpwrench]

I've been running the SE 110 bolt-on for about 40k, last year and this year. It's still doing great, uses no oil, was broken in on the dyno (130 hp) and gets twisted hard daily.

Do you feel like the piston cylinder clearances on the kit we're good vs. bore and hone? KB makes a piston for these cylinders that are .001" over to allow for precision fit.

What cc are the pistons that come with the HD kit

Everything looked good to me, bored traditional cyls might be better but I can't complain about the results 
The SE pistons are flat tops minus whatever the valve reliefs are, guessing 1.5 or  possibly 2cc

[sfmichael]

I found sticky rods when I pulled the 103 down so it got S&S flywheels

how many miles at that point?

[Don D]

I've been running the SE 110 bolt-on for about 40k, last year and this year. It's still doing great, uses no oil, was broken in on the dyno (130 hp) and gets twisted hard daily.

Do you feel like the piston cylinder clearances on the kit we're good vs. bore and hone? KB makes a piston for these cylinders that are .001" over to allow for precision fit.

What cc are the pistons that come with the HD kit

Its risky to think you can clean the cylinders in plates and .001 to remove.

[harpwrench]

I found sticky rods when I pulled the 103 down so it got S&S flywheels

how many miles at that point?

A little over 50k

[sfmichael]

I found sticky rods when I pulled the 103 down so it got S&S flywheels

how many miles at that point?

A little over 50k

not too bad

you weren't tempted to put a longer stroke in it?

[D-1]

What are the usual or approximate deck height #'s for each kit? I know my S&S was down but didn't measure. Too much of a rush to be up and running.

Last HD kit we did was 0.010" and 0.011" down the hole.

[sfmichael]

What are the usual or approximate deck height #'s for each kit? I know my S&S was down but didn't measure. Too much of a rush to be up and running.

Last HD kit we did was 0.010" and 0.011" down the hole.

that's about what I would expect

I was surprised @ harpwrench's .005

I'm thinking of buying a kit and just knocking .005 out of the box off just to avoid assembly 2x - should get me pretty close

[FXDBI]

What are the usual or approximate deck height #'s for each kit? I know my S&S was down but didn't measure. Too much of a rush to be up and running.

Last HD kit we did was 0.010" and 0.011" down the hole.

My SE kit they were .005 down in both holes.  Bob

[harpwrench]

I found sticky rods when I pulled the 103 down so it got S&S flywheels

how many miles at that point?

A little over 50k

not too bad

you weren't tempted to put a longer stroke in it?

You can only go so big with the intake valve on 103 wetheads. My heads were already done for 110" and I prefer a right-side hp curve. I thought about 117" and maybe kinda regret not doing that, but honestly it's really fun and reliable as it sits. For the same curve in a large ci I'd probably need 110 heads

[838]

I found sticky rods when I pulled the 103 down so it got S&S flywheels

how many miles at that point?

A little over 50k

not too bad

you weren't tempted to put a longer stroke in it?

You can only go so big with the intake valve on 103 wetheads. My heads were already done for 110" and I prefer a right-side hp curve. I thought about 117" and maybe kinda regret not doing that, but honestly it's really fun and reliable as it sits. For the same curve in a large ci I'd probably need 110 heads

What's your build??

[Don D]

"You can only go so big with the intake valve on 103 wetheads."
Why? The chambers can be opened up. You can't go huge but a 1.9 or 1.95 is possible.

[harpwrench]

"You can only go so big with the intake valve on 103 wetheads."
Why? The chambers can be opened up. You can't go huge but a 1.9 or 1.95 is possible.

Right, it has 1.95 valves now, water jackets limit valve size.

[C-Cat]

What are the usual or approximate deck height #'s for each kit? I know my S&S was down but didn't measure. Too much of a rush to be up and running.

Last HD kit we did was 0.010" and 0.011" down the hole.

that's about what I would expect

I was surprised @ harpwrench's .005

I'm thinking of buying a kit and just knocking .005 out of the box off just to avoid assembly 2x - should get me pretty close

I asked that question about trimming the cylinders afterwards. I was told it might be risky on the 110 drop in, if it  was S&S 4.125 cylinders no problem

[kd]

If your shooting for .030 head gasket at .005 in the hole, a .027 Cometic will leave you at .032.  No fuss, no muss.

[C-Cat]

I called Cometic today and the .027 are 4-5 weeks out. I'm switching my .045 that  actually measured .041 to an .030 trying to hit 205 ccp. I'm just shy of 195 currently running
TMan , 590 PS2'S

[shindig]

I called Cometic today and the .027 are 4-5 weeks out. I'm switching my .045 that  actually measured .041 to an .030 trying to hit 205 ccp. I'm just shy of 195 currently running
TMan , 590 PS2'S

Right where that cam likes it...

[shindig]

I found sticky rods when I pulled the 103 down so it got S&S flywheels

how many miles at that point?

A little over 50k

not too bad

you weren't tempted to put a longer stroke in it?

You can only go so big with the intake valve on 103 wetheads. My heads were already done for 110" and I prefer a right-side hp curve. I thought about 117" and maybe kinda regret not doing that, but honestly it's really fun and reliable as it sits. For the same curve in a large ci I'd probably need 110 heads

I did a 117.  Don did my heads.  I used stock head castings, 88 or 96 can't remember.  I am totally happy with the outcome.  I can't imagine for the cost of 110 heads I would be that much more happier....

[C-Cat]

You may be less happy with the bigger heads especially in a touring build. Reworked stockers have great throttle
Response and nice to have on a heavy bike.

[Thermodyne]

I just started with 103 inch tune from the TMax library and then let it correct the fuel settings.  Same stroke, so it only took a few short runs for that to sort out.  After that I had to do some work on the spark maps to get the detonation under control, still needs some booster when the weather is hot.  Decel fuel is set to off.  The dyno pull was more than a year later, just a "for my own curiosity" pull.  That and proving to a certain ex Harley tech that the drop in TS kit was just as good as his S&S builds.   

Other than going with the 585 gear drive cams, the heads were cleaned up and I used billet rocker supports. The jugs were trimmed to .000. 



The exhaust is a Jackpot 2-1-2 with a full size cross over and V&H high output cans, so basically straight through.  Intake is an S&S Stealth that fit the TB opening.  I just run a dog bowl on it.

Other than breaking stuff in the drive line, the only big issue I've had with it is heat, it's always run pretty high oil temps.  And that was with a Reefer oil cooler and jug fans.  This spring I put a tank lift on it and that little inch and a half lift lowered the oil temps by 20-30f.  So now I guess all that is left is to set the primary up with some hard to break stuff and put a roller chain on the back.       

[838]

What are the usual or approximate deck height #'s for each kit? I know my S&S was down but didn't measure. Too much of a rush to be up and running.

Last HD kit we did was 0.010" and 0.011" down the hole.

that's about what I would expect

I was surprised @ harpwrench's .005

I'm thinking of buying a kit and just knocking .005 out of the box off just to avoid assembly 2x - should get me pretty close

I asked that question about trimming the cylinders afterwards. I was told it might be risky on the 110 drop in, if it  was S&S 4.125 cylinders no problem

What was the risk?

[C-Cat]

Spigots and liners are thin

[Don D]

No risk done with the right tooling

[C-Cat]

Good to know. Have you done any and if so how much needed to be trimmed on either s&s or SE?

[kd]

Good to know. Have you done any and if so how much needed to be trimmed on either s&s or SE?

It's "measure" twice, cut once.   No 2 fresh combinations can be exactly the same every time.

[Don D]

Good to know. Have you done any and if so how much needed to be trimmed on either s&s or SE?

I trim most of them I sell but I have local shops that take accurate measurements so I take an accurate cut. I don't venture to say what is typical cut because they vary. Rod lengths vary. The cylinder lengths are pretty consistent. To get the bore true (perpendicular) to the decks it sometimes takes cutting some off the top and bottom. In cases when I check the cylinders for size, straightness, and out of round in plates the Harley 110 cylinders are closer to spec, sorry to say. I am using Sunnen gauging.

[Tail Ridr]

"You can only go so big with the intake valve on 103 wetheads."
Why? The chambers can be opened up. You can't go huge but a 1.9 or 1.95 is possible.

Right, it has 1.95 valves now, water jackets limit valve size.

Is a 1.98 intake a possible or is that pushing the limit? I thought the water jackets were around the exhaust valve side...?

[Don D]

Possible, yes. But the bigger question, is there a measurable increase in flow?