I am leaving food on the table..andrews 37?
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Intermediate
Joined: Apr 2012
Posts: 31
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From: SoCal
I am leaving food on the table..andrews 37?
Read post's until my eyes got blurry but did not find much on how a set of Andrews 37 cams perform with a new FLHX 103 versus the woods 555. My local tuner prefers the 37 and says they are more dependable than the woods 555 that I am also interested in. I am riding 2 up 90% of the time and want the bulk of my go-juice on both ends of the tach 
I am adding a bassani road rage 777 and SE push roads as well. Most of what I read about the 37 is that it is not always the right cam but never the wrong one and primarily talked about in conjunction with 88's and 96's
The 555 does seem designed for modern heads and may make better use of my specific setup. Things like heat, mgp and sound are not issues for me. Dependability (I have just started the 5 year extended warranty) and shazaam are what I want.
Any advice?
Greatly appreciated.
JKCDN
I am adding a bassani road rage 777 and SE push roads as well. Most of what I read about the 37 is that it is not always the right cam but never the wrong one and primarily talked about in conjunction with 88's and 96's
The 555 does seem designed for modern heads and may make better use of my specific setup. Things like heat, mgp and sound are not issues for me. Dependability (I have just started the 5 year extended warranty) and shazaam are what I want.
Any advice?
Greatly appreciated.
JKCDN
Road Captain
Joined: Oct 2007
Posts: 507
Likes: 1
From: Torrance, CA.
I wouldn't go with the 37. I had one in my 95" road king , it didn't come on until about 2800 rpm.
I would go with an Andrews 26 for all of the 2 up you do.
You can email Andrews Cams and they will give you their recommendation too.
I would go with an Andrews 26 for all of the 2 up you do.
You can email Andrews Cams and they will give you their recommendation too.
Cruiser
Joined: Oct 2005
Posts: 151
Likes: 1
From: North Carolina
The andrews 37g likes a little compression. Andrews says 9.5-1 and some tuners recommend as much as 9.7-1. I have them on a 95inch with cc'd heads and it pulls strong just above 2200 and goes to over 6000. Nice flat torque curve.
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Thread Starter
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Intermediate
Joined: Apr 2012
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From: SoCal
Thanks for the replies everbody. I did check out the 26 and it seems to fit the bill. I guess I have an irrational fear that the cam is on the "older" side of things and that my 2012 103 could take a higher lift cam that would produce a wider powerband.
When I pushed the shop on why they prefer the TW37, the tech said that he has done so many installs with this cam that he could guarantee the bike to start every-time and that it would run cool.
$2814 incl tx for the cam. bassani rr 777, SE pushroods, TTS and 4 hrs on the dyno. This seem like a fair price?
Thanks again guys.
When I pushed the shop on why they prefer the TW37, the tech said that he has done so many installs with this cam that he could guarantee the bike to start every-time and that it would run cool.
$2814 incl tx for the cam. bassani rr 777, SE pushroods, TTS and 4 hrs on the dyno. This seem like a fair price?
Thanks again guys.
HDF Community Team
Joined: Jun 2006
Posts: 12,773
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From: san antonio
How long a cam has been in production shouldn't have any bearing on selection; the profile and performance are what counts. All the Andrews cams are quiet runners as compared to Mr. Woods cams that are not known to be quiet runners.
Almost everyone I have run across that has not run a variety of cams alwyas over cams their engine, without exception. You will not find a cam that will deliver the "bulk of their go juice at both ends of the tach"; you have to pick which end and which part of the middle you want to run in.
The stock heads don't flow much from .400" to .500" lift and are done at .500", so that's about all the lift one needs with stock heads. With the larger bore of the 103" engine, there will be enough compression to bring the 37's to life; they would like a bit more but they will respond. If you ride primarily solo, the 37 might be more to your liking; stron enough on the bottom, good midrange and will pull to the rev limiter. If you ride two up, the 26 would be a better choice; it's a very good cam for the touring models. JMHO
Almost everyone I have run across that has not run a variety of cams alwyas over cams their engine, without exception. You will not find a cam that will deliver the "bulk of their go juice at both ends of the tach"; you have to pick which end and which part of the middle you want to run in.
The stock heads don't flow much from .400" to .500" lift and are done at .500", so that's about all the lift one needs with stock heads. With the larger bore of the 103" engine, there will be enough compression to bring the 37's to life; they would like a bit more but they will respond. If you ride primarily solo, the 37 might be more to your liking; stron enough on the bottom, good midrange and will pull to the rev limiter. If you ride two up, the 26 would be a better choice; it's a very good cam for the touring models. JMHO