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Old Nov 13, 2019 | 08:00 PM
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does anyone have the screaming eagle cams part no. 25197-04 in their sportster and if so how do you like them/ Do they make your bike hard on fuel economy? Are they noisy? Pros and cons would be appreciated.
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Old Nov 13, 2019 | 10:19 PM
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Originally Posted by gerald martin
does anyone have the screaming eagle cams part no. 25197-04 in their sportster and if so how do you like them/ Do they make your bike hard on fuel economy? Are they noisy? Pros and cons would be appreciated.
Thanks in advance
Gerald martin
551’s? I think? What year and make is your Xl?
 
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Old Nov 13, 2019 | 10:24 PM
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Originally Posted by Madnss
551’s? I think? What year and make is your Xl?
2015 883 super low with 1200 conversion kit stock 883 heads
 
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Old Nov 14, 2019 | 11:42 AM
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need more advise please
 
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Old Nov 14, 2019 | 12:05 PM
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What are you trying to accomplish with your cam swap? More bottom end? More top end? Are you willing to give up some power in one rpm range to gain in another?
 
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Old Nov 14, 2019 | 04:41 PM
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Originally Posted by gerald martin
2015 883 super low with 1200 conversion kit stock 883 heads
I don’t think you can run over 500ish lift with stock 883 heads. And I’m still not sure if you are referring to the 551’s.

 
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Old Nov 14, 2019 | 04:51 PM
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Chicken 497, Andrews n4’s are very popular cam sets for solid mount stock 883/1200 heads and I’m assuming stock rubber mount 883 heads. I’m not 100 percent sure with the rubber mount heads, but I’m pretty sure. Might want to answer aswracing’s question. One of the most knowledgeable guys in the sportster performance market.
 
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Old Nov 14, 2019 | 05:47 PM
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Originally Posted by aswracing
What are you trying to accomplish with your cam swap? More bottom end? More top end? Are you willing to give up some power in one rpm range to gain in another?
I am not trying to do any thing. I just bought this bike and the dealer did a 1200 conversion using S&S cylinders and pistons and put these cams in. They also put a 30 tooth front pulley on. The air cleaner and exhaust are stock but I will be putting on Vance & Hines short shots exhaust as I will be putting a Frankenstein trike kit on the bike and need this short exhaust. The heads are stock 883 heads. what I am asking are these good cams or are they too aggressive? Also how will the dependability of the engine be? Will gas mileage suffer? ( I know gas mileage will suffer from the trike kit but will it also suffer from the cams) any info will be greatly appreciated.
Thanks in advance
Gerald
 
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Old Nov 14, 2019 | 06:40 PM
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Do these cams even work with 883 stock heads. If so the cam timing will bleed off some of your compression and you will have less power than the stock W cams. Unless the builder raised your compression with the pistons they used. Even then you may loose low end power.
 
Last edited by apache snow; Nov 14, 2019 at 07:23 PM.
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Old Nov 14, 2019 | 09:04 PM
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Originally Posted by apache snow
Do these cams even work with 883 stock heads. If so the cam timing will bleed off some of your compression and you will have less power than the stock W cams. Unless the builder raised your compression with the pistons they used. Even then you may loose low end power.
+1 not a good choice if your compression ratio is 9:1. Way too late of an intake close. 44°?
Even at 10:1 you'll lose low end to the Ws.
 
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