Tech / General Engine Is your car making a strange sound or won't start? Thinking of adding power with a new combination? Need other technical information or engine specific advice? Don't see another board for your problem? Post it here!
Sponsored by:
Sponsored by: CARiD

305 Cr

Old Jan 15, 2003 | 03:17 PM
  #1  
Cronic3rd's Avatar
Thread Starter
Senior Member
 
Joined: Oct 2002
Posts: 798
Likes: 0
From: Sharonville OH
Car: 98 Z28 vert
Engine: LS1
Transmission: automagic
Axle/Gears: 2.73 - boo racing yay MPG
305 Cr

Anyone know what kind of compression ratio a stock 87 lg4 puts out? - FYI that is flat top pistons and 58cc heads.
Reply
Old Jan 15, 2003 | 03:20 PM
  #2  
Hung Start67's Avatar
Member
 
Joined: May 2002
Posts: 192
Likes: 0
From: redneck central
Guessing 8.5 or 9.0??? Car runs on 87 octane so cant be to much. Later..
Reply
Old Jan 15, 2003 | 03:37 PM
  #3  
AJ_92RS's Avatar
Supreme Member
 
Joined: Apr 2001
Posts: 4,969
Likes: 0
From: USA
Car: yy wife, crazy.
Engine: 350, Vortecs, 650DP
Transmission: TH-350
Axle/Gears: 8.5", 3.42
Here...
https://www.thirdgen.org/newdesign/tech/techdb.shtml

That's should help.
Reply
Old Jan 15, 2003 | 05:24 PM
  #4  
1991tealRSt-topGuy's Avatar
Supreme Member
 
Joined: Jul 2000
Posts: 4,541
Likes: 2
Car: 1991 Corvette Coupe
Engine: L98
Transmission: 700R4/4L60 same trans different name
stock 87 LG4 was 9.3:1 thats pretty good actually
Reply
Old Jan 15, 2003 | 06:10 PM
  #5  
Hung Start67's Avatar
Member
 
Joined: May 2002
Posts: 192
Likes: 0
From: redneck central
Well I be dipped in chit..9.3:1 comp ratio...not bad, not bad at all....:lala:
Reply
Old Jan 15, 2003 | 07:01 PM
  #6  
TransAmTBI's Avatar
Senior Member
 
Joined: Jan 2003
Posts: 777
Likes: 0
From: NJ
Car: 1988 Trans Am
Engine: 305 TBI
Transmission: th700R4
bad link

hey AJ i clicked on your sound file and it brought me to a page that said folder empty. do you have to be online to here it?
Wanna here f your car sounds good ya know? but i'm sure it does:hail:
Reply
Old Jan 15, 2003 | 09:41 PM
  #7  
AJ_92RS's Avatar
Supreme Member
 
Joined: Apr 2001
Posts: 4,969
Likes: 0
From: USA
Car: yy wife, crazy.
Engine: 350, Vortecs, 650DP
Transmission: TH-350
Axle/Gears: 8.5", 3.42
Re: bad link

Originally posted by TransAmTBI
hey AJ i clicked on your sound file and it brought me to a page that said folder empty. do you have to be online to here it?
Wanna here f your car sounds good ya know? but i'm sure it does:hail:
It's posted at Yahoo in "My Briefcase". You may have to be a member of Yahoo to access it. I don't know for sure.

I just clicked on it and it made me enter my password.

Try it again maybe?
Reply
Old Jan 15, 2003 | 11:03 PM
  #8  
TransAmTBI's Avatar
Senior Member
 
Joined: Jan 2003
Posts: 777
Likes: 0
From: NJ
Car: 1988 Trans Am
Engine: 305 TBI
Transmission: th700R4
ok i've read the my folder butthere all pics.. maybe i'm not seeing it. any other tips? i couldnt see any audio files
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
pjsparts
Tech / General Engine
11
Oct 29, 2025 06:39 PM
Ranbo108
Tech / General Engine
14
Sep 9, 2015 12:20 PM
383cam
Electronics
5
Sep 9, 2015 06:01 AM
rsrookie
Camaros for Sale
0
Sep 5, 2015 07:08 PM
Formula_88AE
Engine Swap
1
Sep 3, 2015 01:47 PM


Thread Tools
Search this Thread

All times are GMT -5. The time now is 12:57 AM.