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CAM UPGRADE READING?

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Old Apr 18, 2007 | 08:21 PM
  #1  
jakazz's Avatar
jakazz
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Road Captain
Joined: Oct 2006
Posts: 574
Likes: 5
From: walpole, ma.
Default CAM UPGRADE READING?

OK great post on this stock 07 so I didnt want to hijack the thread, https://www.hdforums.com/m_1495597/tm.htm

07 fxstb
hypercharger w/ K&N
V&H stepped drags
PC111

Here are my thoughts, after all the talk on the thread about CR and the effects of milling heads and top of jugs, this is the scenario of what I'm gonna do.

First


Screamin Eagle Pro Big Bore Stage II Kit - 1690cc (Black)

Your Price: $899.95 Item Number29893-07 Stock Status
please read
not in stock Model FamilyN/A Weight31lbs.





Screamin Eagle Pro Big Bore Stage II Kit - 1690cc (Black)

Includes Stage II (SE-255) cams, Big Bore cylinders, Big Bore flat top pistons, clips, and a Stage I Air Cleaner Kit with one piece backplate, integral breathers, all mounting hardware, and gaskets. also includes a high performance clutch spring. Cam Spacer Kit P/N 25938-00 is recommended. This kit contains an assortment of 5 different spacers to achieve proper sproket alignment. Individual spacers can be purchased seperately. Requires seperate purchase of primary cover gasket. Not all compononts shown. For race application only.

Fits '07 Twin Cam equipped models



SECOND replace pistons with these to get to 10.25 -1 CR


1550 High Compression Cast Piston Kits-Standard Bore. Big Bore
Your Price: $129.95 Item Number22661-99A Stock Status
please read
in stock Model FamilyDyna Touring Weight8lbs.





1550 High Compression Cast Piston Kits-Standard Bore. Big Bore
[font="verdana,arial,helvetica"][size="2"]
(Pair) Screamin’ Eagle® Twin Cam 88® High Compression Cast Piston Kits. 10.25:1 cast pistons
 
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Old Apr 21, 2007 | 04:10 AM
  #2  
JBaker421's Avatar
JBaker421
Big Kahuna HDF Member
Joined: Mar 2007
Posts: 29,598
Likes: 19
From: Oregon
Default RE: CAM UPGRADE READING?



should I go with the flat tops and mill the heads and jugs?

I know the pistons are cast not forge buttt....


Thoughts and opinions are readily welcome......anyone see any holes in my plan?
Mill the heads. Pop ups screw up combustion.

Cast is fine for anything near sane street use.

JB


 
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