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  #1  
Old 04-17-2013, 12:21 PM
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SMOKENJOE SMOKENJOE is offline
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Default Recommended applications for S&S Cams

No Need For Compression Release With Easy Start Cams See Video Here http://www.youtube.com/watch?v=UxVa6zwxWZI

Camshaft Overview & Cam Specs
Recommended applications for S&S Cams
475: A bolt-in replacement cam designed for riders with stock engines that want to eliminate the factory chain drive system, but are not necessarily looking for more power.

509: Designed as a bolt-in, high torque cam for 1999-'06 models. 180 psi cranking compression, no need for compression releases. For 88 CID engines with stock compression ratio. Idle-4500 rpm.

510: Designed as a bolt-in cam for 88, 95, and 96 CID engines with compression ratios below 9.7:1, it is primarily intended for use with stock, un-ported heads. 3000-5500 rpm.


551: Designed for engines with 96 to 106 CID and 9:1 to 9:9 compression this is a bolt-in cam set designed for stock or mildly modified touring bikes. 551 cams are not recommended for compression ratios of 10:1 or greater. Greatly improves low-end and midrange torque, strongest from idle-4000rpm.

557: Designed for Tri-Glide® models, this cam, with it’s short duration, produces lots of useable torque. The camshaft’s stock base circle permits the use of stock pushrods. However, we recommend S&S Quickee pushrods for easy installation. 557 camshafts are available in chain or gear driven versions. Both come with our Easy Start automatic compression release feature for quick starts. Fits all 2009-2012 Harley-Davidson®Tri-Glide® models.

570: Designed for 88 to 96 CID engines with compression ratios between 9:1 and 10:1 this cam will provide a nice power increase across the entire power band. 3200-5700 rpm.

583: Optimized for use in the Softail®/Dyna® lines, this cam makes horsepower and torque that you can feel all the way through the rpm range, making the most power right where you need it:1500–5000rpm

585: Designed for 88 to 96 CID engines with compression ratios from 9:1 to 10:1 and 100 to 111 CID engines from 9.7:1 to 10.5:1 compression. Provides massive horsepower and torque increases starting at 3000rpm and holds steady all the way to redline. 3500-6000 rpm for 88" - 96" engines and 2500-5500 for larger engines.

625: Cam set designed for 95” or larger engines with compression ratios between 10.0 and 10.75:1. 3000-6000 rpm.

640: Used in S&S T124 engines, this cam makes horsepower! Intended for engines of 95 CID or more w/compression ratios between 10.5:1 and 11.5:1. 3000-6000 rpm.

675: A high lift monster, this cam set is designed for 120” or larger engines with at least 11:1 compression ratio. 4500-6500 rpm.

Note: Stock valve springs in 1999-’04 big twin models can handle cams with valve lifts as high as .515”. Stock valve springs in 2005-up engines can accommodate valve lifts up to .590”.

S&S® offers a variety of cam grinds for 1999-up big twin engines in both chain drive and gear drive versions. Cams that exceed the limits of the stock valve springs require the use of special high lift springs. Most S&S cams have higher lift than stock and are designed to take advantage of the extra flow of ported stock heads or S&S Super Stock® heads. Due to the high lift of these cams, S&S adjustable pushrods are recommended. Not all grinds are available in the chain drive version. To get the best performance from a performance cam installation, a high flow intake and exhaust system is also recommended.
EASY START CAMS
The most innovative S&S product since the electric compression release system, these cams will revolutionize the starting of late model big twins. Regardless of displacement or compression ratio, a stock starter and battery will now easily turn over any engine. These cams also install just as easily as non compression release versions and require no extra parts or machining! Available in both chain drive and gear drive.
How do Easy Start Cams Works?
The heart of our Easy Start cams is a centrifugally retracted, spring loaded, compression release lobe milled into the heel of each exhaust lobe. At cranking speeds, the lobe bumps the exhaust valve open slightly during the compression stroke, making the engine much easier to turn over. Once the engine fires and reaches 800 RPM, the lobe swings out of the tappet roller path, allowing the engine to run normally and with full compression.


Compare S&S Cams To Other Popular Cams
Application Cross Reference Chart
S&S HD® Screamin' Eagle® Andrews® Most Fitting Application
551 SE-203/255 21H/26H Touring Models
570 – 54H All Big Twin Models
583 SE-203/255 21H/26H Softail®/Dyna® Models
585 SE-211/251/257 31H/32H/50H/55H/67H All Big Twin Models
625 SE-258/260 60H All Big Twin Models
640 SE-264 59H All Big Twin Models
675 – 64H All Big Twin Models
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2010 RG S&S Super Stock Heads Ported Polished S&S Easy Start Cams 551 Lift Fueling Lifters S&S Pushrods 2 Into 1 Jackpot Headers Stage 1 Skull Air Box ZIPPERS THUNDER MAX AUTO TUNE Lowered 2" 100% Disabled Viet Nam Vet 1966 1967

Last edited by SMOKENJOE; 04-17-2013 at 12:27 PM.
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Old 04-17-2013, 12:31 PM
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According to those applications it seems I should have a 585, I have the 570, it was recommended by the builder who did my engine, also the techs at S&S and a few others. I'm happy with it and doubt if I'll be changing, but thanks for the info.
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Old 04-17-2013, 12:57 PM
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Default Me Too

I also run the 570 I read it was recomended for baggers I have not put enough miles on it to tell my honest opinion if I dont like it I will install the 583 cams it has a broader range The cam swap only takes a few hours
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2010 RG S&S Super Stock Heads Ported Polished S&S Easy Start Cams 551 Lift Fueling Lifters S&S Pushrods 2 Into 1 Jackpot Headers Stage 1 Skull Air Box ZIPPERS THUNDER MAX AUTO TUNE Lowered 2" 100% Disabled Viet Nam Vet 1966 1967
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Old 04-17-2013, 01:07 PM
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551 is the cats

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Old 04-17-2013, 02:43 PM
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585 in my 124" pulls from 2100 rpm
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Old 04-17-2013, 03:34 PM
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I have the 570G EZ starts in my 97" and I love them.
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Old 04-17-2013, 04:17 PM
scsharp2260 scsharp2260 is offline
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I run the 551 ez start I love it!
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  #8  
Old 04-18-2013, 08:11 AM
prodrag1320
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we use alot of S&S cams for alot of different builds,.551,583,570,585& .625 mostly.as long as they fit the build,i think their the best line of cams avaliable (the EZ starts are a very nice option too)
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Old 04-19-2013, 12:47 AM
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Default 570 Lift

The S&S 570 cams for me are not what I am looking for you need to keep the rpm around 3000 and up for these cams to make power I will be buying the S&S Cycle 583CE Easy Start Camshaft Kit 106-5807 they look like they have power from 1500 rpm to 5000 rpm I will swap them out next month and post results

Product Description
S&S .583 inch lift cam is optimized for use in the Softail® Dyna® lines but can be used in any Big Twin models. This cam makes horsepower and torque that you can feel all the way through the rpm range, making the most power right where you need it: 1500-5000 rpm. S&S Chain Drive Easy Start Cams are a great way to increase performance at an affordable price, are installed in a short period or time reusing many stock components, and Easy Start Cams allow stock starter to start any engine.
583CE Cam kit includes cams, gearcover gasket, cam bearings, and instructions.
Intake Opening (degrees): 5
Intake Closing (degrees): 15
Exhaust Opening (degrees): 60
Exhaust Closing (degrees): 22
Intake Duration (degrees): 204
Exhaust Duration (degrees): 262
Intake Lift (in): .583
Exhaust Lift (in): .583
Intake Lift at TDC (in): .131
Exhaust Lift at TDC (in): .199

This Item Fits the Following Applications:
2010 Harley Davidson FXSTC Softail Custom
2010 Harley Davidson FXDWG Dyna Wide Glide
2010 Harley Davidson FXDF Fat Bob
2010 Harley Davidson FXDC Super Glide Custom
2010 Harley Davidson FXDB Street Bob
2010 Harley Davidson FXD Dyna Super Glide
2010 Harley Davidson FXCWC Rocker C
2010 Harley Davidson FLTRX Road Glide Custom
2010 Harley Davidson FLSTSB Cross Bones
2010 Harley Davidson FLSTN Softail Deluxe
2010 Harley Davidson FLSTFB Fat Boy Lo
2010 Harley Davidson FLSTF Fat Boy
2010 Harley Davidson FLSTC Heritage Softail Classic
2010 Harley Davidson FLHX Street Glide
2010 Harley Davidson FLHTCU Electra Glide Ultra Classic
2010 Harley Davidson FLHTC Electra Glide Classic
2010 Harley Davidson FLHRCI Road King Classic
2010 Harley Davidson FLHRC Road King Classic
2010 Harley Davidson FLHR Road King
2009 Harley Davidson FXSTC Softail Custom
2009 Harley Davidson FXSTB Night Train
2009 Harley Davidson FXDL Dyna Low Rider
2009 Harley Davidson FXDF Fat Bob
2009 Harley Davidson FXD
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2010 RG S&S Super Stock Heads Ported Polished S&S Easy Start Cams 551 Lift Fueling Lifters S&S Pushrods 2 Into 1 Jackpot Headers Stage 1 Skull Air Box ZIPPERS THUNDER MAX AUTO TUNE Lowered 2" 100% Disabled Viet Nam Vet 1966 1967

Last edited by SMOKENJOE; 04-19-2013 at 01:03 AM.
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Old 04-19-2013, 01:06 AM
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I have the 570s and have good response and power well before 3k rpms, maybe it's the difference in the build. You have to do what's right for you, let us know how the new cams work out.

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