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Old 09-20-2010, 06:58 PM   #1 (permalink)
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Andrews 48H, First Impressions

Just had the Andrews 48H installed in my bike, following is my first impression for anyone looking at this or a similar cam, like the SE255.

My Bike for comparison: 2008 Street Glide with Doherty Powerpak intake, stock recored by Fullsac exhaust, Xied's.

Idle & Exhaust: High idle when starting sounds really different, when it idles down to 1k rpm, sounds almost the same, slightly different cadence. When pulling up to a light or just taking off, sometimes sounds very different when just barely on the throttle. Exhaust is quite a bit louder, about 30%. The exhaust airflow coming out of the pipe is much sharper/stronger, more of a "pop" to it. Much more growl to it when you roll on.

Vibration is somewhat more at idle, say 20% more.

(Now what everyone really wants to know) POWER: Seat of the pants calibrated dyno, the bike has as much power at a 1/4 throttle as it used to at 1/2 or more. The power is more immediate and sharp, used to be a much softer response. Merging onto highways, in about the same time and distance it took me to get to 60, I'm now getting to 80 or so. These bikes have a very tall 6th gear, now I can twist it at 65 or so and move on out much stronger. Past 4k rpm, the bulk of muscle feels like it flattens somewhat but you are still moving quite a bit quicker that stock up to the redline. This is one great cam for the rpm's you'll be riding in 99% of the time. Great bagger cam profile!!

Strangly enough, engine braking is completely gone. Shift down, let out the clutch at even 3,000rpm and you won't slow down a bit. Anyone in the know want to explain that one?!

None of this is exact, but wanted to give y'all my honest representation on the differences from stock.
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Old 09-21-2010, 08:07 AM   #2 (permalink)
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This is one great cam for the rpm's you'll be riding in 99% of the time. Great bagger cam profile!!

This cam works for you (stage 1 96") and fits the bill, good deal
This does not make it a shoe in for a 103" and especially may act quite differently in a CVO103 or 110. It's about the heads, airflow and especially compression. Those will have to be tested before drawing any conclusions wide spread. In some cases I would not attempt the install for example the 103 limited which has very high compression and not real good close squish stock.
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Last edited by nw_guy4_fun; 09-21-2010 at 09:16 AM.
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Old 09-21-2010, 09:07 AM   #3 (permalink)
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Your exactly right, that's why I'm always sure to include my bike info with any product I'm talking about for a proper/real comparison.
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Last edited by kslg; 09-21-2010 at 09:12 AM.
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Old 09-21-2010, 09:33 AM   #4 (permalink)
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Looking forward to getting my 48's in the bike. Ditching the Rinehart TD's for a D&D Fatcat + cams. Thanks for the report.
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Old 09-21-2010, 10:52 AM   #5 (permalink)
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aww man if you dont have a tw5 then you aint got nothing!!! dont you know, LOL

Enjoy the cam go ride the bike, enjoy the power.
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Old 09-21-2010, 11:04 AM   #6 (permalink)
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Been ridin' it every day...

Steve, thanks for getting them to me so quickly when no one else could get them!!

I didn't say where I got them in the original post for fear of being pegged as a shameless plug!!
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Old 09-21-2010, 11:04 AM   #7 (permalink)
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Well now that you mention it for some situations the TW5 is a good choice not all either, certainly you jest.
So in the case of the 103" limited
48h 9.38/1 corrected for 29 intake close cam
TW5-6 9.12/1 corrected for 37 intake close cam
Which would you choose all things considered especially gas quality?
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Old 09-21-2010, 11:06 AM   #8 (permalink)
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FOr a 103 I would install the 54
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Old 09-21-2010, 11:19 AM   #9 (permalink)
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Certainly those work too. Brings home my point to start with that one size doesn't fit all.
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Old 09-21-2010, 03:37 PM   #10 (permalink)
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Quote:
Originally Posted by HDWRENCH View Post
FOr a 103 I would install the 54
For a non-Screaming Chicken 103? Would the valve springs need to be replaced?
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Old 09-21-2010, 03:39 PM   #11 (permalink)
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nope bolt in cam swap.
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Old 09-21-2010, 03:40 PM   #12 (permalink)
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Quote:
Originally Posted by nw_guy4_fun View Post
Certainly those work too. Brings home my point to start with that one size doesn't fit all.
Nor one cam company, that is what is great we have some many to choose from
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Old 09-21-2010, 03:44 PM   #13 (permalink)
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Quote:
Originally Posted by HDWRENCH View Post
FOr a 103 I would install the 54
Quote:
Originally Posted by '05Train View Post
For a non-Screaming Chicken 103? Would the valve springs need to be replaced?
Quote:
Originally Posted by HDWRENCH View Post
nope bolt in cam swap.
My wallet didn't need to hear that.....
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Old 09-21-2010, 03:51 PM   #14 (permalink)
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I have to say the 54 cam is a very easy going cam that will work in many many applications, in fact calling it underrated is noit out of line at all.
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Old 09-21-2010, 04:13 PM   #15 (permalink)
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Originally Posted by HDWRENCH View Post
I have to say the 54 cam is a very easy going cam that will work in many many applications, in fact calling it underrated is noit out of line at all.
Steve, you wouldn't happen to have a dyno chart of a 54 with stock heads in a FLHTK 103, would you?
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