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Can you tell us more about your specific plans for the bike? That might help us a little. Also, your budget, exhaust, tuner, whose installing the kit, etc? There's quite a few more people on here thatll chime in with 117s.
I am waiting for Thunderheaders right now. Harley dealer installed the 117 kit. Was planning on the TTS tuner, thinking about shaving heads and tightening quench to get 10.8 compression. I like to ride fast.
I was wondering if I should have the crank welded, and go ahead and do some more mods if I am going to go this far. I like the stock gearing for the high speeds. 6th, while no good under 85 mph, works good over that. Just like anything else, just want more. I do want it reliable though. I want to be able to go 400 miles at 100 mph without a problem.
Budget? LOL, I don't want to think about how much I'm spending. Although, this is a whole lot cheaper than a big block Ford.
Thanks.
Originally Posted by cvaria
your 117 still has seen a dyno? the auto-tune numbers are no where near what should be coming out of that bike. pv is, in no way, a substitute for a decent dyno tune
Thanks Cvaria. The second link has a '17 LS 117 with 10.8 compression (via +6 cc pistons), T-man heads and 660 cam and made 132 hp. So, I'm assuming it takes head work and a better cam to get to the 130 hp mark. Sunday, the owner of the bike, also had his crank welded, timken bearings, and new clutch, which again, I'm assuming is required at that power level?
It seems like getting the 124/124 is the best bang for the buck, because after that, it takes a lot of mods to have the bike reliable. Is this a fair assessment?
Last edited by ChickinOnaChain; Dec 24, 2017 at 05:29 PM.
Thanks Cvaria. The second link has a '17 LS 117 with 10.8 compression (via +6 cc pistons), T-man heads and 660 cam and made 132 hp. So, I'm assuming it takes head work and a better cam to get to the 130 hp mark. Sunday, the owner of the bike, also had his crank welded, timken bearings, and new clutch, which again, I'm assuming is required at that power level?
It seems like getting the 124/124 is the best bang for the buck, because after that, it takes a lot of mods to have the bike reliable. Is this a fair assessment?
talk to the folks in the engine forum... just beware of the crabs trying to stop you from building and the folks trying to get you to duct tape a turbo to your bike. agree to nothing, lol.
Mine made 133 hp and 139 ft lbs in the break in tune, it's going to Roeder Racing in the spring. Here's my current setup.
TMan Street Performer Heads
S&S Roller Rockers
Mahle +6cc domed pistons
TMan adjustable push rods
S&S tappets with HL2T limiter
TMan 660sm cams
Welded, balanced and pro plugged crank from Darkhorse with a set of competition rods
R&B Racing Pro Stock Pipe
Barnett Scorpion Clutch with Red springs and billet basket
I don't think there's a specific hp/torque level where crankshaft upgrades are required. It's kinda more of a "do you feel lucky?" sort of thing.
My 117" (96/103" based, so different heads than a 110" motor) makes 128hp/138tq STD. Lots of money spent on heads. S&S 585 cams, which aren't necessarily the best for peak numbers, but seem to give a nice broad torque curve on a big inch motor.
Yes, it's a load of fun to twist the throttle. And it was stupid expensive. I could probably build a 600hp turbo LS V8 for my for what I spent.
I don't think there's a specific hp/torque level where crankshaft upgrades are required. It's kinda more of a "do you feel lucky?" sort of thing.
My 117" (96/103" based, so different heads than a 110" motor) makes 128hp/138tq STD. Lots of money spent on heads. S&S 585 cams, which aren't necessarily the best for peak numbers, but seem to give a nice broad torque curve on a big inch motor.
Yes, it's a load of fun to twist the throttle. And it was stupid expensive. I could probably build a 600hp turbo LS V8 for my for what I spent.
The peace of mind fixing a crank is worth the cost
Thats funny, I was replying when you posted. Why did you also do the timken conversion? Did you do any oiling mods (different pump, etc.)?
After having done all the work to the stock crank and putting on better rods, do you feel you should have done a S&S assembly?
Thanks for your viewpoint.
Dave
Timken was done because I was already down that far and it was a cheap piece of mind honestly.
Originally the stock pump was shimmed, but I recently put and S&S cam plate and pump in.
I've had work done by Darkhorse before and was very happy with the outcome on my 120". New Bearings, Pro Plugged, Balanced, Blue Printed, Rods and shipping both ways cost less than $1000. Also it was nice to know that the crank would be setup with my Mahle Pistons (Suburban Speed).
MY 117 C.I. S&S powered Engine with a BAKER 6 SPEED 530 Anodized Chain Driven Driveline - Transmission Sprocket to Rear wheel ( 23 Tooth Countershaft
530 chain Sprocket to a rear wheel 48 Tooth STEEL Rear wheel Sprocket) the Bike in the picture I'll provide - and I have to admit I'm an S&S Dealer and *A* Tech Graduate of their Engine School ) is cranking out 141 HORSEPOWER and 148 FT POUNDS TORQUE and runs low 10s @ 139-to 142 MPH in the 1/4 MILE . I'ver got S&S Heads,Cams,Tappets,pushrods,tappet Blocks on an ENTIRE S&S Factory motor .my Bike weighs in at 126 Pounds and has a bunch of *Lightweight* "jenny Craig* parts......but this season we'll / I'll be running High 9s with this STREET
Beast
Low 10's, high 9's?
With what bike? The bike in that picture would be lucky to get in the 11's-You are gonna need more than 140 HP to run those numbers with that chassis, steamroller tire, and bike weight.
If you are running 140 mph in the 1/4, you are making at least 170-180 horsepower....
Who built your motor and who did your heads?
Last edited by PWMORRIS; Dec 21, 2017 at 06:25 PM.
I Built The Motor and Did the Headwork after the entire Motor was blueprinted and tweaked with special crank,rods,Wheels and other "trick Items" available to an S&S Dealer like myself on the *SA* Program ( Special Applications).on this bike .Its alot lighter NOW than the pictures( newer ones to come shortly ) I Went to S&S School and also MMI and I'm a Machinist & Drag Racer. This bike does exactly what I wrote & quoted and I'd be more than glad to give you details if you message me .My 96 C.I. S&S MOTORED 1989 FXR does High 10s all day long . I've been at this awhile,and at 36 I've got alot more tricks to race these bikes into "happyland' 1/4 mile times by reducing more weight,and refining the motors within spec to their C.I. realms . I also weigh only 128 pounds and thats an added factor to help when doing 1/4 mile times and a lighter bike . Message me anytime and I'd gladly speak to you about these topics .
Sounds amazing-
Is your bike a daily driver or a full drag bike? Does it run on pump gas? No wheelie bar or nitrous?
Please post up your high 10 second slip with that FXR and a low 10 slip with your current bike-or video of the bike running the number. Love to see fast Harley's doing their thing....
Let's keep this right here, not on private messages. Everyone can learn about your bike in public, as I like keeping everything in the open, no games.
I have been at this awhile as well and my FXR with a 96" motor ran an 11.88 at 116 mph over 15 years ago, so apparently your 96" FXR would blow my old bike away.
My current FXR is a little bit quicker now, but with your bike now in low 10's and gonna be in the 9's, I guess we would have a close race....
Would love to run your bike if it's a real street bike....
MY 117 C.I. S&S powered Engine with a BAKER 6 SPEED 530 Anodized Chain Driven Driveline - Transmission Sprocket to Rear wheel ( 23 Tooth Countershaft
530 chain Sprocket to a rear wheel 48 Tooth STEEL Rear wheel Sprocket) the Bike in the picture I'll provide - and I have to admit I'm an S&S Dealer and *A* Tech Graduate of their Engine School ) is cranking out 141 HORSEPOWER and 148 FT POUNDS TORQUE and runs low 10s @ 139-to 142 MPH in the 1/4 MILE . I'ver got S&S Heads,Cams,Tappets,pushrods,tappet Blocks on an ENTIRE S&S Factory motor .my Bike weighs in at 126 Pounds and has a bunch of *Lightweight* "jenny Craig* parts......but this season we'll / I'll be running High 9s with this STREET Beast
Don't see what this has to do with op's thread as you didn't actually answer any of his questions but way to hijack and show off repeatedly.
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Let's pretend that was a 'typo'...
