compression releases

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Jan 31, 2013 | 09:10 PM

#11

customsoftail200

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From: Simpsonville, SC

My motor is just over 10:1, I have them and use them all the time. With mine I had to get a bigger starter cause the stock one just couldn't hold up.

Feb 1, 2013 | 06:34 AM

#12

BJFLHT

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The bike in question is an 04. Putting a 95" kit in it. Already has 204 cams, which i plan on leaving in it.

Feb 1, 2013 | 06:37 AM

#13

UltraNutZ

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From: East of the Sun, West of the Moon

any idea what your compression will be when all said and done?

Feb 1, 2013 | 07:27 AM

#14

BJFLHT

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Quote:

Originally Posted by UltraNutZ

any idea what your compression will be when all said and done?

Between 9.5 and 10:1. No sure of the head cc yet

Feb 1, 2013 | 07:31 AM

#15

UltraNutZ

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From: East of the Sun, West of the Moon

Then I'd drop them in while your heads are being worked. When I had my manuals done (while heads were being ported and polished) the cost was minimal (about $100)

Feb 1, 2013 | 08:49 AM

#16

stupid_rope

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From: Satans Asshole

ONE comp release is just fine.

and yes, at 10.1 and up, it puts strain on the starter. so for $40 (for one), its cheap insurance

Feb 1, 2013 | 06:00 PM

#17

DTTJGlide

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Joined: Dec 2009

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From: North Cental Iowa

The 204s have a pretty early intake close @ 34 so it's probably a good idea. That being said I had a similar build, 95 CI, flat top pistons, & stock P&P heads & didn't have a problem, but it was on a 2000 FI bike with the 3.37 primary gearing which makes things a little easier on the starter. That's the reason the 07-up have more starter problems, primary gear ratios: 07-up 1.35, 94-06 1.44, & 99-01 FI 1.54, the higher the # the more torque multiplication, the easier on the starter. Bottom line, it's cheap insurance.