Author Topic: 2019, 128", FXBRS , Andrews 550 , HPI ,  (Read 1466 times)

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Offline HD/WRENCH

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2019, 128", FXBRS , Andrews 550 , HPI ,
« on: August 23, 2019, 06:21:04 AM »
We did some clean up in the ports stock valves valve job 11.3 comp K&N air cleaner D&D fat cat .


That pipe has a tiny dip in stock  I worked to remove it but nothing I could do in this bike you CANNOT feel it

2019 Break out 128 550 dd fat cat hpi by GMR Performance, on Flickr

Offline smokein

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Re: 2019, 128", FXBRS , Andrews 550 , HPI ,
« Reply #1 on: August 23, 2019, 05:30:12 PM »
I hope he has a good backrest!

Offline dsvracer

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Re: 2019, 128", FXBRS , Andrews 550 , HPI ,
« Reply #2 on: August 24, 2019, 05:30:52 AM »
of course you can not feel it, nothing there to feel.
FAST NOT FICTION
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Offline HD/WRENCH

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Re: 2019, 128", FXBRS , Andrews 550 , HPI ,
« Reply #3 on: August 24, 2019, 06:08:29 AM »
well you know how some people get  there is a dip . swap the cam swap the ex  I could have did a roll in and made it look better or  played the game of start the run later . Bike is very fun to ride to say the least .

Offline 1workinman

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Re: 2019, 128", FXBRS , Andrews 550 , HPI ,
« Reply #4 on: August 24, 2019, 12:40:48 PM »
It looks good , those M8 do make good torque , I guess its the compression that they are capable of using . Should be a fun ride 

Offline Mainecat

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Re: 2019, 128", FXBRS , Andrews 550 , HPI ,
« Reply #5 on: August 24, 2019, 06:54:50 PM »
Port clean up good for that 13 hp gain over the 2017 CVO 128" you posted awhile back?

Offline HD/WRENCH

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Re: 2019, 128", FXBRS , Andrews 550 , HPI ,
« Reply #6 on: August 25, 2019, 12:05:00 PM »
that has been the avg 10 ish gain with stock valves its not a huge deal a bit of testing to see what works and what does not work as well then you have the cam into the mix . been a fair amount of testing to see what works well

Offline yobtaf103

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Re: 2019, 128", FXBRS , Andrews 550 , HPI ,
« Reply #7 on: August 26, 2019, 12:31:34 PM »
that has been the avg 10 ish gain with stock valves its not a huge deal a bit of testing to see what works and what does not work as well then you have the cam into the mix . been a fair amount of testing to see what works well

Both balancers still in Steve ?

Offline HD/WRENCH

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Re: 2019, 128", FXBRS , Andrews 550 , HPI ,
« Reply #8 on: September 09, 2019, 06:46:27 AM »
Yes they are still in the engine .

Offline 1workinman

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Re: 2019, 128", FXBRS , Andrews 550 , HPI ,
« Reply #9 on: September 09, 2019, 04:54:18 PM »
 wow those m8 are coming around nice job

Offline lucasg

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Re: 2019, 128", FXBRS , Andrews 550 , HPI ,
« Reply #10 on: September 11, 2019, 07:07:47 AM »
Only thing you’re gonna feel on that bike is the neck snapping torque....nice work Steve  :up:

Offline JDS Cycle Works

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Re: 2019, 128", FXBRS , Andrews 550 , HPI ,
« Reply #11 on: September 15, 2019, 02:51:10 PM »
Great job Steve!