Engine Mechanical Topics Discussion 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.

Benefits from .030 cometic gasket

Thread Tools
 
Search this Thread
 
Old Feb 26, 2016 | 07:58 PM
  #11  
prodrag1320's Avatar
prodrag1320
Banned
Joined: Sep 2009
Posts: 3,569
Likes: 624
From: deland,florida
Default

Originally Posted by Cascade
So it will be a no brainer then and I should use a .030 gasket over the standard .045.

Yup!just make sure when calculating chamber cc,you use a 030 gasket in the math
 
Reply
Old Feb 27, 2016 | 03:45 PM
  #12  
Cascade's Avatar
Cascade
Thread Starter
|
Tourer
Joined: Nov 2012
Posts: 291
Likes: 0
From: The Netherlands
Default

Originally Posted by prodrag1320
Yup!just make sure when calculating chamber cc,you use a 030 gasket in the math
Why should that be calculated?
 
Reply
Old Feb 27, 2016 | 07:01 PM
  #13  
ntraindavefl's Avatar
ntraindavefl
Road Warrior
10 Year Member
Photogenic
Photoriffic
Shutterbug
Joined: May 2011
Posts: 1,956
Likes: 439
From: florida
Default

Originally Posted by Cascade
Why should that be calculated?
If you were doing heads, but you're not so don't sweat the chamber part. At roughly 10.5 static comp w stock head chamber (as per your pistons) plus the .030 hg you will be around the 10.7 comp mark which puts you around 202 ccp (depending on deck height/carbon build up), but basically 202 ccp which is right on the edge in a good way for the 211 cams.
 
Reply
Old Feb 28, 2016 | 06:32 AM
  #14  
Cascade's Avatar
Cascade
Thread Starter
|
Tourer
Joined: Nov 2012
Posts: 291
Likes: 0
From: The Netherlands
Default

Originally Posted by ntraindavefl
If you were doing heads, but you're not so don't sweat the chamber part. At roughly 10.5 static comp w stock head chamber (as per your pistons) plus the .030 hg you will be around the 10.7 comp mark which puts you around 202 ccp (depending on deck height/carbon build up), but basically 202 ccp which is right on the edge in a good way for the 211 cams.
Dope

So this way I'll be getting most from this build without headwork.

Should I be worried about valve clearance?
 

Last edited by Cascade; Feb 28, 2016 at 09:14 AM.
Reply
Old Feb 28, 2016 | 10:38 AM
  #15  
djl's Avatar
djl
HDF Community Team
Veteran: Army
15 Year Member
Photogenic
Liked
Joined: Jun 2006
Posts: 12,776
Likes: 2,607
From: san antonio
Community Team
Default

Originally Posted by Cascade
Should I be worried about valve clearance?
Always best to mock up and check.
 
Reply
Old Feb 29, 2016 | 07:25 AM
  #16  
rauchman's Avatar
rauchman
Grand HDF Member
15 Year Member
Liked
Loved
Community Favorite
Joined: Sep 2008
Posts: 3,684
Likes: 4,294
From: Northeast, NJ
Default

Originally Posted by Hillsidecycle.com
.030" head gakets are what we use here almost exclusively, the "no gasket" comment was just to make mention of what we had done on that paticular engine.
Scott


Gotcha! Thanks!
 
Reply
Old Feb 29, 2016 | 12:36 PM
  #17  
Cascade's Avatar
Cascade
Thread Starter
|
Tourer
Joined: Nov 2012
Posts: 291
Likes: 0
From: The Netherlands
Default

Should I be concerned about engine longevity running the compression with the .030 gasket?

Engine has less than 3000 miles.
 
Reply
Old Mar 1, 2016 | 12:43 PM
  #18  
Hillsidecycle.com's Avatar
Hillsidecycle.com
Sponsor
Joined: Dec 2007
Posts: 12,084
Likes: 829
Default

No.
You'll be fine.
Scott
 
Reply
HD Forum Stories

The Best of Harley-Davidson for Lifelong Riders

story-0

7 Times Harley-Davidson Chucked Tradition Out the Window

 Verdad Gallardo
story-1

7 Surprising Harley-Davidson Products that Are Not Motorcycles

 Verdad Gallardo
story-2

8 Best Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-3

10 Worst Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-4

Killer Custom's Jail Break Is The Breakout That Refused to Blend In

 Verdad Gallardo
story-5

Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

 Verdad Gallardo
story-6

Harley-Davidson Reveals Super Cool Cafe Racer Concept

 Verdad Gallardo
story-7

Engraved Rebellion: Inside Bundnerbike's Glam Rock II

 Verdad Gallardo
story-8

10 Motorcycles You Should Never Buy

 Joe Kucinski
story-9

10 Things Harley-Davidson Needs to Fix in 2026

 Verdad Gallardo
Old Apr 19, 2016 | 10:20 AM
  #19  
Cascade's Avatar
Cascade
Thread Starter
|
Tourer
Joined: Nov 2012
Posts: 291
Likes: 0
From: The Netherlands
Default

When installing the cometic .030, is it necessary to remove rivets?
 
Reply
Old Apr 19, 2016 | 10:30 AM
  #20  
djl's Avatar
djl
HDF Community Team
Veteran: Army
15 Year Member
Photogenic
Liked
Joined: Jun 2006
Posts: 12,776
Likes: 2,607
From: san antonio
Community Team
Default

Originally Posted by Cascade
When installing the cometic .030, is it necessary to remove rivets?
No! Install as it comes out of the package. Follow instructions regarding the oil return dowel O-rings.
 
Reply



All times are GMT -5. The time now is 03:01 PM.

story-0
7 Times Harley-Davidson Chucked Tradition Out the Window

Slideshow: Harley-Davidson built its reputation on nostalgia, but every so often, the company took a hard left turn into the future.

By Verdad Gallardo | 2026-05-20 11:18:19


VIEW MORE
story-1
7 Surprising Harley-Davidson Products that Are Not Motorcycles

Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.

By Verdad Gallardo | 2026-04-29 16:50:35


VIEW MORE
story-2
8 Best Harley-Davidson Motorcycles Ever

Slideshow: Not every Harley gets it right, but these are the ones that genuinely earned their reputation.

By Pouria Savadkouei | 2026-04-15 14:23:21


VIEW MORE
story-3
10 Worst Harley-Davidson Motorcycles Ever

Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.

By Pouria Savadkouei | 2026-04-01 20:01:09


VIEW MORE
story-4
Killer Custom's Jail Break Is The Breakout That Refused to Blend In

Slideshow: Killer Custom's "Jail Breaker" build focuses more on stance and visual aggression than mechanical overhaul.

By Verdad Gallardo | 2026-03-18 19:20:32


VIEW MORE
story-5
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.

By Verdad Gallardo | 2026-03-07 16:15:30


VIEW MORE
story-6
Harley-Davidson Reveals Super Cool Cafe Racer Concept

Slideshow: Harley-Davidson's new RMCR concept revives the café racer formula with modern hardware-and it may be exactly the reset the company needs.

By Verdad Gallardo | 2026-03-04 12:23:37


VIEW MORE
story-7
Engraved Rebellion: Inside Bundnerbike's Glam Rock II

Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.

By Verdad Gallardo | 2026-02-24 18:19:44


VIEW MORE
story-8
10 Motorcycles You Should Never Buy

Slideshow: There is no shortage of great motorcycles to buy, but we would avoid these ten.

By Joe Kucinski | 2026-02-19 14:50:51


VIEW MORE
story-9
10 Things Harley-Davidson Needs to Fix in 2026

Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.

By Verdad Gallardo | 2026-01-13 18:33:17


VIEW MORE