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Engine Mechanical TopicsDiscussion for motor builds, cams, head work, stripped bolts and other engine related issues. The good and the bad. If it goes round and around or up and down, post it here.
for reference, just used the 110 bolt on HD cyl/pistons to upgrade my 96" Fatboy2011 with port/valve job on stock 103 heads 10.6 comp, with se 58mm tb, T-Man 625 cams supermeg 2-1
126hp/124tq
Last edited by yobtaf103; Nov 12, 2016 at 08:54 PM.
Ok Stage 5 kit is A 103 engine block up grade with out boring the block. The pistons in the kit is flat tops ,compression is 10.2 with CNC factory ported heads , Intake valve is oversized to 1.875". And about 87cc combustion chamber. 110 heads has 95cc combustion chamber witch will lower the compression to about 9.2 .The bigger valves will lower vacuum witch in turn lower low in torque. To put 110 heads on will need to install 10.5 piston for the heads. The stage 5 Kit works great . I run one.
I have a partially stupid question. While I know the 110 motors run warmer, my EITMS is kicking in way sooner with the Stage 5 kit than it did before. Is yours running significantly warmer or do you think the Harley download may have lowered the EITMS on temperature on my bike?
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