GM Parts Classifieds For Sale and Wanted

PRC 5.3 Stage 2.5

Thread Tools
 
Search this Thread
 
Old Jun 10, 2009 | 09:34 AM
  #1  
rst06rado's Avatar
Thread Starter
On The Tree
 
Joined: Sep 2007
Posts: 113
Likes: 0
Default PRC 5.3 Stage 2.5

I have a set of PRC 5.3 casting, stage 2.5 heads that I'm letting go. They have the 918 springs and about 1500 miles on them. I want to get $850 firm, plus shipping. I can and will get pics up soon. These heads are very clean and near new.
Reply
Old Jun 10, 2009 | 05:44 PM
  #2  
Truckshop's Avatar
TECH Fanatic
iTrader: (17)
 
Joined: Jul 2007
Posts: 1,139
Likes: 0
From: Prairieville,La
Default

what is the combustion chamber size?
Reply
Old Jun 10, 2009 | 05:49 PM
  #3  
00ChevyScott's Avatar
Wearin' da big hat
iTrader: (10)
 
Joined: Jan 2008
Posts: 10,262
Likes: 9
From: Over There
Default

Originally Posted by Truckshop
what is the combustion chamber size?

http://www.texas-speed.com/shop/item...id=84&catid=40
Reply
Old Jun 10, 2009 | 06:50 PM
  #4  
StrokerAce03's Avatar
TECH Addict
iTrader: (7)
 
Joined: Feb 2005
Posts: 2,844
Likes: 1
From: Georgia
Default

Originally Posted by 00ChevyScott
That doesn't tell the combustion chamber size; from TSP I think they are 59 cc but he could've had them milled.
Reply
Old Jun 10, 2009 | 06:54 PM
  #5  
BlackGMC's Avatar
Resident Retard
iTrader: (31)
 
Joined: Jan 2006
Posts: 17,216
Likes: 20
From: Fort Worth - TX
Default

they are 62 if you don't get them milled (I called a while ago)... Mine are 58....
Reply
Old Jun 10, 2009 | 08:26 PM
  #6  
Truckshop's Avatar
TECH Fanatic
iTrader: (17)
 
Joined: Jul 2007
Posts: 1,139
Likes: 0
From: Prairieville,La
Default

Originally Posted by BlackGMC
they are 62 if you don't get them milled (I called a while ago)... Mine are 58....
any idea where compression would be on a lq4?
Reply
Old Jun 10, 2009 | 08:31 PM
  #7  
hirdlej's Avatar
TECH Junkie
iTrader: (31)
 
Joined: Dec 2004
Posts: 3,471
Likes: 1
From: Minneapolis, MN
Default

About 10.7-10.8:1.......
Reply
Old Jun 10, 2009 | 08:40 PM
  #8  
Truckshop's Avatar
TECH Fanatic
iTrader: (17)
 
Joined: Jul 2007
Posts: 1,139
Likes: 0
From: Prairieville,La
Default

Originally Posted by hirdlej
About 10.7-10.8:1.......
with what chamber size. 64 cc heads on a lq9 are 10.7 ish. how big is the dish in the piston?
Reply
Old Jun 10, 2009 | 08:47 PM
  #9  
BlackGMC's Avatar
Resident Retard
iTrader: (31)
 
Joined: Jan 2006
Posts: 17,216
Likes: 20
From: Fort Worth - TX
Default

Originally Posted by hirdlej
About 10.7-10.8:1.......
Are you sure? a stock LQ4 is ~9.5 with 71cc chambers...
Reply
Old Jun 10, 2009 | 10:51 PM
  #10  
rst06rado's Avatar
Thread Starter
On The Tree
 
Joined: Sep 2007
Posts: 113
Likes: 0
Default

John from TSP says they are 61-62cc chambers.
Reply



All times are GMT -5. The time now is 02:18 PM.