Your opinions appreciated.
Thread Starter
|
Dirt don't hurt
Joined: Jan 2011
Posts: 21,065
Likes: 4,561
From: Haslet Texas
Your opinions appreciated.
My bike has 140k miles on it.
The motor was Harley remand at 100k.
I have been thinking about having the heads ported and installing 9.5-1 pistons.
About the fastest I ride is 80 mph but I usually run about 70 mph.
My question is this---
Is it really worth the expense?
The reason I ask is that the motor is running good and I have a hard time tearing into a perfectly good motor.
I'd like the extra horse power but I just don't see me using it that much.
What do ya'll think?
The motor was Harley remand at 100k.
I have been thinking about having the heads ported and installing 9.5-1 pistons.
About the fastest I ride is 80 mph but I usually run about 70 mph.
My question is this---
Is it really worth the expense?
The reason I ask is that the motor is running good and I have a hard time tearing into a perfectly good motor.
I'd like the extra horse power but I just don't see me using it that much.
What do ya'll think?
Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
Difficult one Texas! Having owned my bike from new I have ridden it bone stock, stage 1, cam plus new exhaust, stroker kit, 107" S&S. Each change has improved the ride, each change has been easy to adjust to. Do I need just over 100/100? Yup! Could I use and enjoy even more - oh yes!
So beware - this can become a bit of a drug - a little leads to a little more, etc. IMHO if you do any tuning, make it a significant improvement in performance, so it is worthwhile and effective. And it is torque you want, horse power is a by-product!
So beware - this can become a bit of a drug - a little leads to a little more, etc. IMHO if you do any tuning, make it a significant improvement in performance, so it is worthwhile and effective. And it is torque you want, horse power is a by-product!
Road Warrior
Joined: Oct 2009
Posts: 1,251
Likes: 1
Yes, worth every penny, and honestly. You don't nec need the heads ported, the truth , the EVO head flows really well, so use a good quality machinist, such as Scott at hillside, have him check the valves and guide, do a nice valve job, bore and hone the cylinders,I would use a nice piston such as wiseco, set the bike up at 10 to 1, use a vthunder 3020, ev 3, woods 6, all those set ups with stock heads will make 80/80 easily, its really the way Harley should have rolled the bike off the showroom floor, the difference is amazing , good luck, chad
Road Master
Joined: Jun 2007
Posts: 842
Likes: 47
From: New Hartford CT
It's not about your top speed but how much power you have to get you there. I rarely exceed 70 either, but I have ported and shaved heads for the compression bump, a Wood 6 and a Wood-built CV that give me lots of extra oomph over the stock setup to get me to 70 pretty quickly. I have a loaded Ultra, a pretty heavy machine, and think these types of moderate performance boosts are well worth it.
Road Master
Joined: Apr 2009
Posts: 1,123
Likes: 43
From: NJ
THC,
It's not really how fast you are going to run down the road, it's how fast you get there and how much you like passing other vehicles...
Im not a fan of pulling apart a good running motor for just performance enhancements especially if you are happy with it now. But there is a big difference after you do it and there will be a smile on your face when you get on it... My EVO is done, the twinkie is stock at only 6K miles and runs perfectly. I can't wait for it to get to 25 so I have an excuse to do cams and etc... The EVO smokes it badly right now...
Ds
It's not really how fast you are going to run down the road, it's how fast you get there and how much you like passing other vehicles...
Im not a fan of pulling apart a good running motor for just performance enhancements especially if you are happy with it now. But there is a big difference after you do it and there will be a smile on your face when you get on it... My EVO is done, the twinkie is stock at only 6K miles and runs perfectly. I can't wait for it to get to 25 so I have an excuse to do cams and etc... The EVO smokes it badly right now...
Ds
Thread Starter
|
Dirt don't hurt
Joined: Jan 2011
Posts: 21,065
Likes: 4,561
From: Haslet Texas
Yes, worth every penny, and honestly. You don't nec need the heads ported, the truth , the EVO head flows really well, so use a good quality machinist, such as Scott at hillside, have him check the valves and guide, do a nice valve job, bore and hone the cylinders,I would use a nice piston such as wiseco, set the bike up at 10 to 1, use a vthunder 3020, ev 3, woods 6, all those set ups with stock heads will make 80/80 easily, its really the way Harley should have rolled the bike off the showroom floor, the difference is amazing , good luck, chad
Is this true?
Seasoned HDF Member
Joined: Jan 2012
Posts: 15,400
Likes: 19,454
From: Upstate N.Y.-Rochester Area
I just had my bike worked over myself, Only 65k on the odometer, even but at the low end of compression at 125 psi, I was blowing a bit of blue smoke, and will be 64 in March.
I decided that it was likely that I would rebuild at some point, but given my age it seemed as though I could enjoy it longer if I just went ahead and did so sooner rather than later.
I went with the EV27 cam, a classic for bumped compression (Mine are 10:1 Wiseco), this cam is for us old guys with heavy bikes that don't live at extreme rpm's, better response all the way across the 1500-6000 rpm range. I had previously switched to a tweaked CV carb with semi-polished manifold (Cleaned up mold parting lines.), Free flow intake etc. Complete Valve re-work, and my indy is a fan of Port flow for EVO's which to him is a rounding of corners on the intakes and Exhaust, accompanied by a slightly rough polishing thoughout. By not having a mirror finish on head surfaces better atomization of the fuel is believed to be the end result.
Steel breather gear, cometics, upgraded ignition complete the package.
Probably going with a 2 into 1 exhaust as well. I'm guessing that I am at 75-80 H.P. already, and after an E-Mail exchange with Bruce Schultz at SuperTrapp I'm comfortable with the belief that I will top 80/80 once my pipe is switched.
Smoother, more oommph! Definitely glad that I did so. I use Hi-Test now, but I also get better mpg, but I have been more aware of wrist twist while breaking it in. We'll see if this lasts.
No obvious pinging to date with Hi-Test. Haven't run it in very hot weather though either (Hot is relative, I'm in N.Y.)
I decided that it was likely that I would rebuild at some point, but given my age it seemed as though I could enjoy it longer if I just went ahead and did so sooner rather than later.
I went with the EV27 cam, a classic for bumped compression (Mine are 10:1 Wiseco), this cam is for us old guys with heavy bikes that don't live at extreme rpm's, better response all the way across the 1500-6000 rpm range. I had previously switched to a tweaked CV carb with semi-polished manifold (Cleaned up mold parting lines.), Free flow intake etc. Complete Valve re-work, and my indy is a fan of Port flow for EVO's which to him is a rounding of corners on the intakes and Exhaust, accompanied by a slightly rough polishing thoughout. By not having a mirror finish on head surfaces better atomization of the fuel is believed to be the end result.
Steel breather gear, cometics, upgraded ignition complete the package.
Probably going with a 2 into 1 exhaust as well. I'm guessing that I am at 75-80 H.P. already, and after an E-Mail exchange with Bruce Schultz at SuperTrapp I'm comfortable with the belief that I will top 80/80 once my pipe is switched.
Smoother, more oommph! Definitely glad that I did so. I use Hi-Test now, but I also get better mpg, but I have been more aware of wrist twist while breaking it in. We'll see if this lasts.
No obvious pinging to date with Hi-Test. Haven't run it in very hot weather though either (Hot is relative, I'm in N.Y.)
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Road Warrior
Joined: Oct 2009
Posts: 1,251
Likes: 1
Yes, that's the threshold, I will tell you a properly jetted cv and correct cam will keep it from detonating, I'm a huge fan of the 3020, very quiet valve train and works great with stock compression or 10 to 1... You won't be disappointed, I've run that combo in several electras and ultras,
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Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
Pop over to the Tech Engine forum, where you will find a few HDF sponsors who are top engine tuners. They are the sort of chaps you can send your cylinders and heads to and get them back reworked with a package of all the new parts you need to rebuild - a one-stop-shop!
Here's one possibility, just to whet your appetite, 90/90.
Road Warrior
Joined: Oct 2009
Posts: 1,251
Likes: 1
That will only happen if other parts don't match up. There is no substitute for finding a dependable indy or tuning shop to talk through what you would like. All good shops will have proven combinations of CR, cam and porting that will give guaranteed results. It's much easier to use an expert, rather than trying to mix and match things yourself!
Pop over to the Tech Engine forum, where you will find a few HDF sponsors who are top engine tuners. They are the sort of chaps you can send your cylinders and heads to and get them back reworked with a package of all the new parts you need to rebuild - a one-stop-shop!
Here's one possibility, just to whet your appetite, 90/90.
Pop over to the Tech Engine forum, where you will find a few HDF sponsors who are top engine tuners. They are the sort of chaps you can send your cylinders and heads to and get them back reworked with a package of all the new parts you need to rebuild - a one-stop-shop!
Here's one possibility, just to whet your appetite, 90/90.