what are the pros and cons with head work,have an 02 flhtc 88,10.000 mi,have a set of stock hds from my 96ci, 07 flhtc,want to swap after work is done ,but what work and will it improve overall performance ?? like some feedback on this !

 

There is no point porting heads without doing all the others. There is much you can do to an engine other than head work, including increased compression and cam, plus exhaust. You really should find a local indy and talk through what you want of your bike, so you get a complete package. Alternatively contact one of the HDF sponsors who do engine work.

 

Happy to answer any questions you have.
Just give us a call.
Scott

 

Deck those 96" heads for the right compression, use a .030" head gasket and install a set of Andrews 26 cams and you will be surprised what tha 88"er will do. You will need the intake flanges and should also consider changing the inner cam bearings and checking out the cam tensioners while you are in there.

 

That is one avenue, that will work well.
Those later model castings will also help dump exhaust heat, and with the raised intake floor, the cfm is up/over your original heads.
Scott

 

If your going to advertise, you might want to get a hold of the folks that run this site, and throw some dough at them, otherwise that is considered to be breaking the site rules here, and may land yourself in a world of $hit, continuing to do so.
Thought you should know.

 

Do you have permission from the site admin to advertise?

Your information just isn't correct. The '05 heads were a vast improvement over the '02 heads. The '02 and '05 heads have the same size exhaust valve but you are correct that the '02 intake is larger at 1.840" (same as EVO) compared to the '05 at 1.80". The '02 heads have straight wound springs and 5/16" valve stems compared to the '06 with beehive springs and 7mm valve stems which will support .570" lift compared to the '02s that were limited to .510". Even with the smaller intake valve the '05 heads flowed better to .400" lift than the '02s but flowed 2-3 cfm less than the '02s from from there up to .560" lift.

http://bigboyzheadporting.com/showthread.php?t=91

Now on to the '06 heads kept all the '05 upgrades which were improved even more by a complete change to the casting. The valve sizes stayed the same, actually IIRC, the '06 intake was a hair larger at 1.808". There was some minor shaping to the sharp turn in the intake port but the big change was on the exhaust side. The exhaust port floor was lowered and the port opened up and they flow much better than all the heads from '99-'05. The flow about 10% better and flow to .560" lift where the '99-'04 heads sign off at .500" lift.



Read the chart.

A displacement increase increases compression which, in and of itself, will increase performance. However, a set of '06 heads on your 88" with no work other than new guide seals and a good valve job, a .030" head gasket along with a set of TW26 cams will run much better than a 95" with OEM heads and cams. Now, to do it right, you would do both.

 

Well explained, once again.
Scott

 

thank u for the quick responce,

 

Your welcome.
If you do want to discuss this in depth, feel free to give us a call, anytime.
Scott