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Old 03-23-2014, 04:56 PM   #21
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The 2002 to 2005 sure looks the same but you say pitch n timing are different huh. The valve angle looks different.
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Old 03-23-2014, 04:58 PM   #22
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they are nothing alike, the parts do not interchange between the two style evo motors 2003 and earlier and 2004 and later. nope no sir, no
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Old 03-23-2014, 04:59 PM   #23
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Quote:
Originally Posted by skelator View Post
Well . My homeboy got murdered n I acquired a large pile of sportster parts from his wife. Will 95 heads work on a 2002?


yes
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Old 03-23-2014, 05:01 PM   #24
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Quote:
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[/B]

yes
I have some 95 heads rebuilt to match my cams I can use.
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Old 03-23-2014, 05:05 PM   #25
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86 to 2004 & 2005 to current from what I'm reading
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Old 03-23-2014, 05:30 PM   #26
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here some good head info
http://hammerperf.com/ttxlheads.shtml
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Old 03-23-2014, 05:36 PM   #27
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2004-Present (Rubber Mounts) and 2003-2010 Buell (XB)

For 2004, the Sportster got a new rubber mounted motor. Along with that change, the factory adopted a black with highlighted fins version of the Buell XB heads (introduced on 2003 Buell XB models) onto all 1200 Sportsters. In later years an all-black version was also offered. All of the heads also got new 7mm valve stems and a beehive spring pack just like the XB heads. The new seal assembly affords more retainer to guide seal clearance and can safely accommodate up to .550 lift cams, as compared to .500 in the earlier heads.


As far as retrofitting these heads to 03 & earlier models go, there are some things to be aware of:

•The fins on rubber mount heads are a little larger than the fins on the earlier heads, so they won't match up to your cylinders quite as well. It's most noticeable on the left (spark plug side) but most people don't think it looks bad at all.


•The front motor mount bolt holes are 7/16-14 (like the Buell heads described above), but also the right front bolt hole (pushrod side) has been moved inboard 1/4". A special bracket is readily available from HAMMER PERFORMANCE to take care of this and allow you to bolt the heads right on to your 03 or older Sportster.


•As delivered from the factory, these heads are .020" shorter than the previous generation heads, at 3.670" instead of 3.690". Normally this is not enough to worry about with respect to pushrod length and manifold fit. However if you're shortening the motor further via thin gaskets or further decking, it's something to be aware of. Once you've shortened the stack by .045 to .050" overall you need to be thinking about these things.


•None of these late model heads are available from the factory in an assembled form. You have to buy the heads bare and then buy the valves, springs, retainers, locks, and guide seal/locaters separately and do the assembly yourself. However, HAMMER PERFORMANCE sells these heads fully assembled and ready to bolt-on for the same price that the heads and hardware will cost you at your dealer. We'll also include our special High-Flow Swirl Polished Stainless Steel valves instead of the cheap factory valves, again at no extra cost!
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Old 03-23-2014, 05:37 PM   #28
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I wasnt aware of their kit to retro fit the heads to the earlier, the new style 1200 heads are the best heads ever released on sportys and if you can get them on the old sporty then thats the ticket for flow.
I dont understand how it works moving the bolt hole but they obviously have it down.
get the biggest cams you can stuff in it and still turn w/o lobe interferance and bind on valve springs
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Old 03-23-2014, 05:38 PM   #29
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Quote:
Originally Posted by ScooterTrash View Post
they are nothing alike, the parts do not interchange between the two style evo motors 2003 and earlier and 2004 and later. nope no sir, no
I'm confused now, So they will work from what I'm reading and seeing in front of me
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Old 03-23-2014, 05:41 PM   #30
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Quote:
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I'm confused now, So they will work from what I'm reading and seeing in front of me
i wrote that before i read that the company you found has a way to relocate the bolt hole 1/4"

but mostly, the parts do not readily interchange, cams are different , blocks are different, cylinders are different, heads and pistons are different. I guess anything can fit with mods and if they get the newer heads on the old evo, then I would definitely prefer those heads over the old antiquated they used to sell.
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Old 03-23-2014, 05:42 PM   #31
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Quote:
Originally Posted by ScooterTrash View Post
i wrote that before i read that the company you found has a way to relocate the bolt hole 1/4"
We are learning together today lol
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Old 03-23-2014, 05:45 PM   #32
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get a hold of these guys
http://www.nrhsperformance.com/

and spend your money here, they hold land speed records and make big power. they tweaked my heads and they were a work of art when i got them, monster valves, polished etc etc flowed big air.
I also bought my cylinders and pistons and 585 redshift cams from them, then I built the turbo kit myself. The motor was a fkn beast and rattled your innards at idle.

I have a wicked ignition system I will hook you up with, fully programmable, set launch rpm's, nitrous window etc etc etc
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Old 03-23-2014, 05:46 PM   #33
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Quote:
Originally Posted by ScooterTrash View Post
i wrote that before i read that the company you found has a way to relocate the bolt hole 1/4"

but mostly, the parts do not readily interchange, cams are different , blocks are different, cylinders are different, heads and pistons are different. I guess anything can fit with mods and if they get the newer heads on the old evo, then I would definitely prefer those heads over the old antiquated they used to sell.
So far not much will interchange but the heads, pistons look the same, stayed tuned.
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Old 03-23-2014, 05:49 PM   #34
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Quote:
Originally Posted by ScooterTrash View Post
get a hold of these guys
http://www.nrhsperformance.com/

and spend your money here, they hold land speed records and make big power. they tweaked my heads and they were a work of art when i got them, monster valves, polished etc etc flowed big air.
I also bought my cylinders and pistons and 585 redshift cams from them, then I built the turbo kit myself. The motor was a fkn beast and rattled your innards at idle.
Got any pics, sounds awesome. I'm working with what I got and doing it all myself in the garage. Don't have funds to dump in Harley like I want to at moment. Got to many toys
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Old 03-23-2014, 05:52 PM   #35
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Quote:
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So far not much will interchange but the heads, pistons look the same, stayed tuned.
look the same but are they? nope, id bet, that would be to easy. pin diameter and location could be diff and design could be diff, I know the bore is the same, 1200 is 1200 no matter the year i think. I have an 05 1200 bottom end here with 5k miles if you need, also have a set of 1200 pistons maybe can compare the two styles that way and see.
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Old 03-23-2014, 05:52 PM   #36
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Quote:
Originally Posted by ScooterTrash View Post
get a hold of these guys
http://www.nrhsperformance.com/

and spend your money here, they hold land speed records and make big power. they tweaked my heads and they were a work of art when i got them, monster valves, polished etc etc flowed big air.
I also bought my cylinders and pistons and 585 redshift cams from them, then I built the turbo kit myself. The motor was a fkn beast and rattled your innards at idle.

I have a wicked ignition system I will hook you up with, fully programmable, set launch rpm's, nitrous window etc etc etc
How much? Details ????
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Old 03-23-2014, 05:54 PM   #37
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Quote:
Originally Posted by ScooterTrash View Post
look the same but are they? nope, id bet, that would be to easy. pin diameter and location could be diff and design could be diff, I know the bore is the same, 1200 is 1200 no matter the year i think. I have an 05 1200 bottom end here with 5k miles if you need, also have a set of 1200 pistons maybe can compare the two styles that way and see.
Pins are the same it seems, let me check pin height BRB

I'm running solid mount, rubber mount blocks no work for me
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Old 03-23-2014, 06:03 PM   #38
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Looks the same. I'll install jug soon n check deck height
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Old 03-23-2014, 06:04 PM   #39
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Quote:
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Looks the same. I'll install jug soon n check deck height
the article you linked said they were different height, as in cyl diff so one would think the piston would be different height for the different cylinder, or maybe the rod was the different length and same pistons, dunno.

I dont have both here to compare

here is my '04 Nallin 1210
turboclose
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Old 03-23-2014, 06:07 PM   #40
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Quote:
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How much? Details ????
it is a "thunderheart" digital ignition, I was the beta tester because when I did it, nobody beat the 04 up computer yet, so we did.
Its in the box with all instructions etc etc, what ya got to trade?
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