GM Engine & Exhaust Performance EFI | GEN I/GEN II/GEN III/GEN IV Engines |Small Block | Big Block |

stock gaskets or cometic .040's???

Thread Tools
 
Search this Thread
 
Old Sep 27, 2007 | 07:21 AM
  #11  
Grumpy5.3's Avatar
TECH Fanatic
iTrader: (14)
 
Joined: Nov 2005
Posts: 1,014
Likes: 0
From: South Georgia
Default

Originally Posted by ap2002
stew why not use the stock gaskets and just mill the heads .030 and it should put you close up there...? do you have the set of 243's already?


shaving heads is alot cheaper than those cometics. BUT you will need to check your pushrod length, just to be sure
Reply
Old Sep 27, 2007 | 09:35 AM
  #12  
bluecajun5.3's Avatar
11 Second Truck Club
20 Year Member
iTrader: (31)
 
Joined: Jan 2005
Posts: 5,861
Likes: 0
From: Breaux Bridge, LA
Default

around how much it is to mill them then?
Reply
Old Sep 27, 2007 | 10:54 AM
  #13  
BigKID's Avatar
TECH Veteran
20 Year Member
Liked
iTrader: (5)
 
Joined: Dec 2001
Posts: 4,947
Likes: 242
From: Panama City, Fl
Default

I presume these are going on the stock LS1 bottom end?? If so the .040 Cometics will give you a bitter quench area for some detonation protection. The Cometics are also resuable so if you had to pull a head for something, you wouldn't be out the price for another stock gasket. I spent the extra money for the Cometics when I did my LS1 hand ended up pulling the heads twice so they ended up paying for themselves.
Reply
Old Sep 27, 2007 | 11:10 AM
  #14  
silver-mod-o's Avatar
Hunt&Fisherator
iTrader: (15)
 
Joined: Nov 2005
Posts: 14,314
Likes: 17
From: SETx
Default

shops normally charge anywhere from $50-$100 to mill a set of heads...

-I'd go with the cometics Stew... that way, if you want different heads in the future, you can sell an unmolested set and probably move them easier.
Reply
Old Sep 27, 2007 | 03:57 PM
  #15  
ap2002's Avatar
TECH Senior Member
20 Year Member
iTrader: (8)
 
Joined: Sep 2004
Posts: 6,411
Likes: 0
From: Houston, Texas
Default

to mill them here is $75...
Reply
Old Sep 27, 2007 | 09:00 PM
  #16  
TECH Junkie
iTrader: (2)
 
Joined: Mar 2005
Posts: 3,197
Likes: 0
From: Spring, TX
Unhappy

Originally Posted by Quik
thanks, it doesnt sound like that anymore. never made anytimes. hit 1200 miles and floated a valve. wiped out cylinder. now im in the long process of rebuilding for boost
Sorry to hear. What went a miss? Weak valve springs?
How's the rebuild coming along? What do you have planned?

Jim
Reply
Old Sep 27, 2007 | 09:04 PM
  #17  
TECH Junkie
iTrader: (2)
 
Joined: Mar 2005
Posts: 3,197
Likes: 0
From: Spring, TX
Default

Originally Posted by TXsilverado
i would only be losing .012 so i should be able to keep the 7.400 pushrods i have now.

jim im broke into the 12's N/A last weekend. im not sure if you knew that i swapped a LS1 into the truck too.
Man that's awesome. Can't believe you have came this far already. If you have the heads off or will be possibly taking them off, why not send them off to a machine shop to be worked over and get a bigger cam? Not sure if you already put a bigger cam in, but just a thought.
Did you get you a new job yet?

Jim
Reply
Old Sep 27, 2007 | 09:27 PM
  #18  
KB's Avatar
KB
13 Second Truck Club
iTrader: (4)
 
Joined: Dec 2002
Posts: 1,186
Likes: 0
From: HTX
Default

If you get them milled .030 you might run into the same problem with the pushrod length, so I guess I would go with whatever is the cheaper route. I was going to get mine milled .030 then found out my comp 7.4's would be too long so I had to limit it to .015 max. I only paid $60 for the mill work.
Reply
Old Sep 28, 2007 | 10:36 AM
  #19  
TXsilverado's Avatar
Thread Starter
Moderator
20 Year Member
Loved
Liked
Community Favorite
iTrader: (19)
 
Joined: Jan 2005
Posts: 18,364
Likes: 291
From: Humble Texas
Default

jim i havent seen the real potential of my current cam yet 226/226 584/584 112. im always in the heat, on a slippin tranny, or some other lame reason i couldnt make a good pass. last time at the track everything was working perfect on the truck and got to get a glimpse of how its guna do this winter. cant wait for winter times trappin 103-104 in the warm felt good.
Reply
Old Sep 28, 2007 | 07:11 PM
  #20  
TECH Junkie
iTrader: (2)
 
Joined: Mar 2005
Posts: 3,197
Likes: 0
From: Spring, TX
Default

Originally Posted by TXsilverado
jim i havent seen the real potential of my current cam yet 226/226 584/584 112. im always in the heat, on a slippin tranny, or some other lame reason i couldnt make a good pass. last time at the track everything was working perfect on the truck and got to get a glimpse of how its guna do this winter. cant wait for winter times trappin 103-104 in the warm felt good.
You going to get that tranny fixed or what? I can hear that FLT level 5 tranny calling your name....
Anyone know if Vince at FLT beefed up his level 5 4L65E kit? Last I heard, he found a few parts that still could use some strengthening to kick up the HP/ TQ ratings of his level 5 tranny.
Just wondering.
When you heading out to the track Stew? Later at the end of Oct or mid Nov?
Let me know, I might want to head out with you possibly.

Jim
Reply



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