LT1-LT4 Modifications 1993-97 Gen II Small Block V8

finding engine compression

Old Jul 27, 2011 | 05:26 PM
  #1  
redtransam95's Avatar
Thread Starter
Launching!
iTrader: (7)
 
Joined: Feb 2010
Posts: 245
Likes: 0
Default finding engine compression

my motors together and i want to check and find out what my compression ratio is for tuning. its a 355 6 in scat rods stock crank mahle powerpak pistons -/+5cc le2 heads llyod milled .020" and 56 cc chamber block decked to 9.010 mr gasket head gaskets .026 where am i at or is there a way to check for exactly what i have for compression ratio so i can get the tuner going
sorry for the newbe questions
Reply
Old Jul 27, 2011 | 07:09 PM
  #2  
nitrous2fast's Avatar
TECH Fanatic
iTrader: (2)
 
Joined: Dec 2010
Posts: 1,084
Likes: 0
From: Oklahoma
Default

a good tuner should be able to calculate that for you, and also CR is not needed to be able to tune a vehicle....
Reply
Old Jul 27, 2011 | 07:28 PM
  #3  
TSAEB's Avatar
TECH Regular
iTrader: (5)
 
Joined: Dec 2003
Posts: 419
Likes: 0
Default

Google the formula. Sorry I can't remember I think u have all the details just need to add bore and gasket thickness. And ur runner might ask. If u still cant calculate Ill try for u
Reply
Old Jul 27, 2011 | 07:29 PM
  #4  
TSAEB's Avatar
TECH Regular
iTrader: (5)
 
Joined: Dec 2003
Posts: 419
Likes: 0
Default

Sorry I just saw the .026
Reply
Old Jul 27, 2011 | 07:32 PM
  #5  
TSAEB's Avatar
TECH Regular
iTrader: (5)
 
Joined: Dec 2003
Posts: 419
Likes: 0
Default

www.csgnetwork.com/compcalc.html try this not a formula but u plugthe numbers. Still like the formula better
Reply
Old Jul 27, 2011 | 07:34 PM
  #6  
defaultexistence's Avatar
TECH Fanatic
iTrader: (11)
 
Joined: Sep 2005
Posts: 1,954
Likes: 1
From: fort walton beach,fl
Default

Huhhhhhuuhhhhhh.......
http://www.race-cars.net/calculators...alculator.html
That thar dang ole' search on my google sure's smart... Ehhhpp
Reply
Old Jul 27, 2011 | 08:23 PM
  #7  
redtransam95's Avatar
Thread Starter
Launching!
iTrader: (7)
 
Joined: Feb 2010
Posts: 245
Likes: 0
Default

seems like i get various different cr depending on what calculator i use im getting a mail order tune for break in
Reply


Thread Tools
Search this Thread

All times are GMT -5. The time now is 12:17 AM.

story-0
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

Slideshow: We take a close look at the ONE and Artidiag 800BT2 diagnostic tools from Topdon and the reasons to buy one over the other.

By Pouria Savadkouei | 2026-05-28 11:05:11


VIEW MORE
story-1
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

Slideshow: The controversial Ferrari F6 swaps its original flat-12 for a Corvette Z06-derived LT4 V8 and sends power to four rear wheels through a custom-built drivetrain.

By Verdad Gallardo | 2026-05-26 18:23:54


VIEW MORE
story-2
7 Most Reliable High-Performance Engines GM Has Ever Built

Slideshow:These GM engines didn't just make huge power, they survived abuse, boost, track days, and six-digit mileage with a reputation for refusing to quit.

By Verdad Gallardo | 2026-05-21 16:45:27


VIEW MORE
story-3
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-4
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-5
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-6
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-7
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-8
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-9
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE