Modify 103 stage 4
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Road Captain
Joined: May 2015
Posts: 627
Likes: 47
From: Nunda
Modify 103 stage 4
Ok it's official I hate my stage 4 kit.. Hate the pipes hate the tune hate the combo...
No not really but threads with hate seem to get more response!
So my motor did not do what it should have.. at this point I can shell out $650 and get a new tune.. But in the end I don't see it doing much more then bumping the power up some..
What is my next step from here? Do I scrap it all and start over?? Can I send the heads out and have them worked on more and.. Increase the cylinders?
Suggestions?
Sell it all and buy a 124"?
How do I sell it to someone else though
No not really but threads with hate seem to get more response!
So my motor did not do what it should have.. at this point I can shell out $650 and get a new tune.. But in the end I don't see it doing much more then bumping the power up some..
What is my next step from here? Do I scrap it all and start over?? Can I send the heads out and have them worked on more and.. Increase the cylinders?
Suggestions?
Sell it all and buy a 124"?
How do I sell it to someone else though
Seasoned HDF Member
Joined: Dec 2009
Posts: 9,162
Likes: 1,906
From: Doghouse... mostly
$650 for a new tune! Holy Rip-off Batman. A professional tune should run no more than $350 and it should only take around two to three hours. You need to find another shop pronto! The "Stage 4" kit from HD is notorious for it's tunability issues when using the SE 58 mm throttle body. Sometimes all it takes is finding the right wrench that has dealt with it before and is patient enough in getting it to where it should be. It took them 4 hours to tune my FLHX up to 105/110 and that's what the MoCo advertises. Also needed to step up to the next larger set of injectors.
Seasoned HDF Member
Joined: Mar 2010
Posts: 21,064
Likes: 7,591
From: Poolville
I have no Idea why some still opt for the SE stage 4 kit. Have not heard anything pleasing yet. **** man 650 for a tune what are you knutz? I'm pretty sure a mild 107" build will blow away both the cost and performance of an SE kit....don't get it......
Seasoned HDF Member
Joined: Dec 2009
Posts: 9,162
Likes: 1,906
From: Doghouse... mostly
There's not all that much difference in a properly tuned 103" kit from the MoCo and a 107" kit from another outfit, mild or not. Maybe a few horsepower and a little more torque but the overall total performance is pretty much the same. Some people just feel the need to slam anything from HD without ever riding a professionally tuned 103 and what it all really comes down to is just who exactly is riding the bike!
Outstanding HDF Member
Joined: May 2013
Posts: 3,427
Likes: 164
From: Home
Ok it's official I hate my stage 4 kit.. Hate the pipes hate the tune hate the combo...
No not really but threads with hate seem to get more response!
So my motor did not do what it should have.. at this point I can shell out $650 and get a new tune.. But in the end I don't see it doing much more then bumping the power up some..
What is my next step from here? Do I scrap it all and start over?? Can I send the heads out and have them worked on more and.. Increase the cylinders?
Suggestions?
Sell it all and buy a 124"?
How do I sell it to someone else though
No not really but threads with hate seem to get more response!
So my motor did not do what it should have.. at this point I can shell out $650 and get a new tune.. But in the end I don't see it doing much more then bumping the power up some..
What is my next step from here? Do I scrap it all and start over?? Can I send the heads out and have them worked on more and.. Increase the cylinders?
Suggestions?
Sell it all and buy a 124"?
How do I sell it to someone else though
What are your engine specs - size, heads, bore, cam, exhaust, etc. ?
What is your riding style like?
Why exactly do you hate it?
Thread Starter
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Road Captain
Joined: May 2015
Posts: 627
Likes: 47
From: Nunda
2015 streetglide.. 103 stage 4 se 585 cams.. Vance and hines stainless hi output duals...
Riding style split between two up cruising... I am 180 lbs wife is 120 lbs... We live in the hills if western New York...
When alone I like to ride hard.. Sometimes when wife us with me we will accelerate rapidly....
Top speed is not my game but u want to get to 70 asap...
Things I like about it... I like that it's all harley... Not huge in changing to different brands... When it's running good it's a monster....
Things I don't like.. It smells rich when idling.... Real rich.... If I cruise and am staying around 2400-2700 for extended periods it starts to act like it's loading up... Easy answer is run at higher rpms...
These cams should be better down low...
These pipes are not great down low...
So basically I want the best of both worlds... Comfort cruising and the quickest accelerating streetglide in the area... Not too much to ask for is it?!
Riding style split between two up cruising... I am 180 lbs wife is 120 lbs... We live in the hills if western New York...
When alone I like to ride hard.. Sometimes when wife us with me we will accelerate rapidly....
Top speed is not my game but u want to get to 70 asap...
Things I like about it... I like that it's all harley... Not huge in changing to different brands... When it's running good it's a monster....
Things I don't like.. It smells rich when idling.... Real rich.... If I cruise and am staying around 2400-2700 for extended periods it starts to act like it's loading up... Easy answer is run at higher rpms...
These cams should be better down low...
These pipes are not great down low...
So basically I want the best of both worlds... Comfort cruising and the quickest accelerating streetglide in the area... Not too much to ask for is it?!
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Road Captain
Joined: May 2015
Posts: 627
Likes: 47
From: Nunda
There's not all that much difference in a properly tuned 103" kit from the MoCo and a 107" kit from another outfit, mild or not. Maybe a few horsepower and a little more torque but the overall total performance is pretty much the same. Some people just feel the need to slam anything from HD without ever riding a professionally tuned 103 and what it all really comes down to is just who exactly is riding the bike!
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Road Warrior
Joined: Feb 2010
Posts: 1,953
Likes: 28
From: Houston, TX
I know you are calling your motor a "Stage IV" - but you are also saying it is a 103.... and your '15 should have came with a 103.....
Did you put in high compression 103 pistons?
Have you had head work done?
Or, have you only changed your exhaust, air cleaner, and cam?
Did you put in high compression 103 pistons?
Have you had head work done?
Or, have you only changed your exhaust, air cleaner, and cam?
Ultimate HDF Member
Joined: Jan 2008
Posts: 6,532
Likes: 132
From: SoCal
What is done to the heads? What pistons? TB? Injectors? It's not you, but this is the reason I hate the "stage" designation, it means nothing. What is the ccp? What were the piston to deck heights? There is no problem with tuning a se kit for a competent tuner, dealer tuning rarely fits this description. Is it sumping? Yes the exhaust may not be optimum for your build. Tons of questions need to be answered. Starting over going 124" will have the same questions, its not a slap together either. I don't know where you are located but a shop with experience in building these types of motors can get you on the right track, easily.
