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Old 12-13-2009, 09:23 AM   #1 (permalink)
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SE 110 heads

Hey , are the SE 110 cylinder heads a good choice for a hot rod build ? I've been seeing a whole passel of em on the market lately . Any pros and cons of using them over a set of factory 96" heads on a mild 103 build up ?
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Old 12-13-2009, 09:27 AM   #2 (permalink)
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To be honest if you have a good machinist save the money on the heads and use the 96" set. the 103 and the 110 are the same heads I believe ( Don't quote me on that). My 106" has a set of heads from the stock 96" and they were able to machine out space for a larger set of Int and exh valves. Also for a hotrod I wouldn't use the compression releases and try a set of S&S easy Start cams with the compression releases built in. If you do the head work from a 96 you wont want to weaken them by placing the compression releases in there.
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Old 12-13-2009, 09:27 AM   #3 (permalink)
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Those heads are better suited to big inch motors. HD had a recall on some of them & didn't ask for the cores to be returned. Probably why you're seeing a lot of them out there.
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Old 12-13-2009, 09:38 AM   #4 (permalink)
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The guides weren't installed with enough press-fit.
But once that is addressed, and perhaps manual releases installed, they seem to work very well in larger engine applications.
Scott
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Old 12-13-2009, 10:11 AM   #5 (permalink)
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I was told the port design is better with SE Heads??????
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Old 12-14-2009, 10:52 AM   #6 (permalink)
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Quote:
Originally Posted by wfolarry View Post
Those heads are better suited to big inch motors. HD had a recall on some of them & didn't ask for the cores to be returned. Probably why you're seeing a lot of them out there.
Makes perfect sense to me.

Quote:
Originally Posted by Hillside View Post
The guides weren't installed with enough press-fit.
But once that is addressed, and perhaps manual releases installed, they seem to work very well in larger engine applications.
Scott
So , after the new guides are installed you have a good set of heads to work with. Are the specs on the 110 heads the same as the 103 heads? Valve size, chamber ccs, port volumes? Would these work on a pumped up 103? Thanks

Anyone know where I can get the specs on the SE 103 heads to compare them to these 110s?
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Old 12-14-2009, 12:03 PM   #7 (permalink)
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The 110" heads have a Ferrea, nail-head design, 2.080" intake.
Scott
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Old 12-14-2009, 01:05 PM   #8 (permalink)
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Quote:
Originally Posted by wfolarry View Post
Those heads are better suited to big inch motors. HD had a recall on some of them & didn't ask for the cores to be returned. Probably why you're seeing a lot of them out there.

I saw a storage semi trailer at a pretty good size dealership with boxes and boxes of them that were recall cores.
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Old 12-14-2009, 01:16 PM   #9 (permalink)
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Quote:
Originally Posted by Hillside View Post
The 110" heads have a Ferrea, nail-head design, 2.080" intake.
Scott
.......?......
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Old 12-14-2009, 03:01 PM   #10 (permalink)
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What Scott is trying to say is "in the right hands and on the right size engine, they perform great!" Right Scott?
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Old 12-14-2009, 03:20 PM   #11 (permalink)
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Rob,
Yes, that is correct.
That "T" shaped head design, or also refered to as a "nail-head", acts like opening a door, when coming off the seat. GULP!!! Only way I know how to describe it.
Better stock up on tires!!!
Scott
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Old 12-14-2009, 05:36 PM   #12 (permalink)
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Quote:
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Rob,
Yes, that is correct.
That "T" shaped head design, or also refered to as a "nail-head", acts like opening a door, when coming off the seat. GULP!!! Only way I know how to describe it.
Better stock up on tires!!!
Scott
Okee dokee Nail head, I get it (sorta..close enuff)
so what size build would you say was minimum to make good use of these heads? understanding that H-Ds will swallow just as much money as you throw at em, would these heads be worth working over comparable to "custom" heads?
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Old 12-14-2009, 07:15 PM   #13 (permalink)
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What's old is new again.

Nail Head Buicks!
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Old 12-14-2009, 07:39 PM   #14 (permalink)
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make good use of these heads

117"+, or very hot higher rpm 110"
The only way to pump the torque up with these heads is to use a short cam and they die early such as the SE255. Use a Woods 7 or TW400 for a compromise and if you let them go with a 250+ cam the torque and hp numbers swap, HP exceeds peak torque.
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Old 12-14-2009, 07:49 PM   #15 (permalink)
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Quote:
Originally Posted by nw_guy4_fun View Post
make good use of these heads

117"+, or very hot higher rpm 110"
The only way to pump the torque up with these heads is to use a short cam and they die early such as the SE255. Use a Woods 7 or TW400 for a compromise and if you let them go with a 250+ cam the torque and hp numbers swap, HP exceeds peak torque.
Seen a 09 SE ultra 110 with se 257 bolted in go 107 hp 114 tq.
reinhert T/D'S and the curve didnt look to bad actually.
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