Slant *       6       Forum
Home Home Home
The Place to Go for Slant Six Info!
Click here to help support the Slant Six Forum!
It is currently Sat Apr 19, 2025 5:03 am

Unanswered topics | Active topics


» » Tech Q & A » Engine

All times are UTC-07:00



Post new topic  Reply to topic  Page 1 of 1
  [ 4 posts ] 
  Print view Previous topic | Next topic 
Author Message
siverlyboy
 Post subject: Compression Ratio ?
PostPosted: Fri Apr 10, 2020 12:46 pm 
Offline
2 BBL ''SuperSix''

Joined: Sun Jul 16, 2017 6:28 pm
Posts: 14
Car Model:
Trying to compute my compression Ratio.
Block
.06 over
.198 in the hole
.040 thick Felpro Headgasket.
Head 44 CC'S
Any other info needed ?
Top
   
Reply with quote  
ProCycle
 Post subject: Re: Compression Ratio ?
PostPosted: Fri Apr 10, 2020 2:53 pm 
Offline
Turbo Slant 6
User avatar

Joined: Sat Sep 13, 2014 8:25 am
Posts: 797
Location: Rio Rancho, NM
Car Model: Highly Modified Chevy S10 Race Truck
If there's any dish or valve cutouts in the piston top you need to CC them.
Don't forget to calculate the volume between the piston crown and cylinder above the top ring.

_________________
--> Check out my FI Turbo build <--
--> And the race truck build project <--
--> The Diesel Corvette <--
Image
Top
   
Reply with quote  
Badvert65
 Post subject: Re: Compression Ratio ?
PostPosted: Fri Apr 10, 2020 2:57 pm 
Offline
Turbo EFI
User avatar

Joined: Mon Jan 12, 2015 5:55 am
Posts: 1425
Location: Brightwood, VA
Car Model: 1965 Plymouth Belvedere I
I get a compression ratio of 8.88 using the Wallace Racing site.
http://wallaceracing.com/cr_test2.php

_________________
-MattMan
LEANED & MEAN
Image
Top
   
Reply with quote  
Doctor Dodge
 Post subject: Re: Compression Ratio ?
PostPosted: Sat Apr 11, 2020 11:43 am 
Offline
Guru
User avatar

Joined: Sat Oct 12, 2002 11:22 am
Posts: 3740
Location: Sonoma, Calif.
Car Model: Many Darts and a Dacuda
I get 8.866 on the UEM (Silvolite) calculator.
7.983 Effective Compression if the intake valve closes at 46 ABDC.(a "small" cam)
DD
Top
   
Reply with quote  
Display posts from previous:  Sort by  
Post new topic  Reply to topic  Page 1 of 1
  [ 4 posts ] 

» » Tech Q & A » Engine

All times are UTC-07:00

Who is online

Users browsing this forum: Semrush [Bot] and 5 guests

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
Powered by phpBB® Forum Software © phpBB Limited