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Author Topic: need help freshening an old build  (Read 1086 times)

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skyhook

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need help freshening an old build
« on: October 10, 2010, 12:59:42 AM »
 my '08 s.e. dyna has 21k on the build

going to bore .010" over and replace pistons

my question:  advance the 257 cams 4 degrees or get another cam

motor has 10.5 compression now

could reduce compression and use wood #7, t-man 590, mackie 590, or something similar, open to suggestions
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08 fxdse2, r&r heads, 257 cam, hpi 55mm t/body, supermeg

HD Street Performance

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Re: need help freshening an old build
« Reply #1 on: October 10, 2010, 11:22:14 AM »
21k needs "freshening"???
OK so what do you want that it doesn't have now?  What stage heads?
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skyhook

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Re: need help freshening an old build
« Reply #2 on: October 10, 2010, 02:18:41 PM »
it is using a bit of oil...need to see if it's the crank or ring/cylinder issue...still running the stock cylinders and pistons

and i'm over the horsepower wars...i want a smaller cam to move the powerband to the left

the heads are stage 4
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08 fxdse2, r&r heads, 257 cam, hpi 55mm t/body, supermeg

fxdx95

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Re: need help freshening an old build
« Reply #3 on: October 13, 2010, 11:45:24 PM »
oil use thru guides/stem seals or rings? Oil burning showing up on plugs? 21k is not really a lot of miles to be doing that. I have seen stem seals work there way off the guide or get bumped by the spring or retainer.

Al
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HILLSIDECYCLE.COM

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Re: need help freshening an old build
« Reply #4 on: October 14, 2010, 07:16:32 AM »
Quote from: skyhook on October 10, 2010, 12:59:42 AM
my '08 s.e. dyna has 21k on the build

going to bore .010" over and replace pistons

my question:  advance the 257 cams 4 degrees or get another cam

motor has 10.5 compression now

could reduce compression and use wood #7, t-man 590, mackie 590, or something similar, open to suggestions

At 10.5, I'd suggest the new Wood 555 in that. :)
Scott
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HILLSIDECYCLE.COM

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Re: need help freshening an old build
« Reply #5 on: October 19, 2010, 07:29:53 AM »
Skyhook,
Do you have Mike Cat's, in Kenner, do any Dyno work for you??
He calls on us from time/time for some machine work. Good guy.
Scott
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