Andrews 21 or 26?

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Dec 29, 2017 | 06:18 PM

JP7

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From: Wisconsin

Andrews 21 or 26?

Well it's supposed to be -11 tonight so guess riding is out for a while. That means it's time for improvements. I can't decide which cam I want. The Andrews 21 or 26.

I have an 03 Electra Glide Classic with 95" kit, Rinehart True Duals, and Screamin Eagle air cleaner. I ride two up about half the time. I enjoy the torque but it does see 5,500 frequently. The heads are stock for now but I may have them ported in the future. Let me know your thoughts on these two cams or any others you think would fit the bill.

Oh yeah, I have the stock cam plate and oil pump with the baisley spring. I'm not interested in changing those at this time. Thanks for the input.

Dec 29, 2017 | 06:33 PM

98hotrodfatboy

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From: Poolville

Do the 26, it'll carry out a little better for you... whats your Static compression? the 26 cam likes 9.8 -10.0:1 static.

Dec 29, 2017 | 07:52 PM

JP7

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Joined: Aug 2015

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From: Wisconsin

Quote:

Originally Posted by 98hotrodfatboy

Do the 26, it'll carry out a little better for you... whats your Static compression? the 26 cam likes 9.8 -10.0:1 static.

It's 9.5 for now. I could bump it up some if I do the head work.

Dec 29, 2017 | 08:28 PM

98hotrodfatboy

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From: Poolville

What kind of headwork are you considering?
If your gonna do like a stage II head, then I would probably look at different cams like maybe the Andrews 54 or others... Doing stage II opens the door to a lot of cams cause now the heads can handle a lot more lift and don't forget that porting is a nice upgrade... It might be time to talk to a good porter.... He'll match the heads to the cam.

Dec 29, 2017 | 08:43 PM

JP7

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From: Wisconsin

Not planning on anything crazy on the heads, just a CNC street port and maybe bump the compression a little. I want to stay on pump gas and and reliability is more important than a torque number.

Dec 29, 2017 | 08:53 PM

lightweight bob

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Joined: Aug 2006

Posts: 1,148

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From: Banning, CA

Looking where you're at now and your occasional 5500 rpm buzz I'd be going with
Andrews 37 - had them in an 88 bagger and loved it. My 2013 flhtk 103" bagger has
a 57 in it - same cam timing but .050 more lift for the extra cubes. Same riding as
you - two up some of the time and an occasional solo blast around by myself. Stock
springs are ok but replace those cam bearings for sure. http://www.andrewsproducts.com/sites...fs/page_06.pdf

Dec 29, 2017 | 09:45 PM

sbaumann14

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Joined: Apr 2015

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From: Rhinelander, wi

-11? I'm in Rhinelander and its only supposed to get to -5...lol! I put 21's into my 03 Heritage springer this summer and couldn't be happier. I ride 2 up all the time and with a trailer 50% of the time, so I wanted the torque. also did the hydraulic upgrade while I was in there.

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Dec 30, 2017 | 01:00 PM

djl

HDF Community Team

Joined: Jun 2006

Posts: 12,774

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From: san antonio

Quote:

Originally Posted by JP7

Not planning on anything crazy on the heads, just a CNC street port and maybe bump the compression a little. I want to stay on pump gas and and reliability is more important than a torque number.

Change the springs and set them up for .625" lift; many more cam options to choose from. '03 springs are limited to advertised .510" lift but most will accommodate cams with .525" lift which does limit cam choices. Since the beehive springs were introduced in '05 most of the newer cams are higher lift cams. Don't cut yourself short on the head work. If the bike is EFI, good fuel management and dyno tune should also be part of the plan. BTW, you should make the compression decision before the headwork and select a cam set or at least the range of intake close timing so the heads can be decked, if necessary, to set compression at the target level.