Anyone with the L92 heads on a 6.0L?
11-19-2006, 08:13 PM
#3
TECH Senior Member
iTrader: (6)
Join Date: Jul 2005
Location: Decatur, AL
Posts: 5,257
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by 1slow01Z71
If its a stock 6L you are going to have bad valve shrouding, low speed driveability problems, and possibly spark plug fouling problems. Those heads are HUGE for a 6L in a heavy truck.
If there was any loss of low speed tq most people wouldn't notice it since they would have a higher stall and the low speed losses would mostly be off idle.
This is coming from a person that used a set of 205cc heads on an engine that he was worried about low rpm tq.
It was 418 ci, ~11:1 comp, 237/242 duration cam I think, and a 3400 stall.
I am running L92's and a carb style intake on my 370ci set-up so we will know then. If I ever have time to put it together.
11-19-2006, 08:26 PM
#5
Originally Posted by TurboGibbs
That is merely speculation of course. GM seems to think they will work fine on an engine with only 10 more ci than a 6.0. The difference of .060" on the bore is only .030 per side with is about the thickness of 7-8 sheets of paper. I would not call that bad valve shrouding if someone was to ask me.
If there was any loss of low speed tq most people wouldn't notice it since they would have a higher stall and the low speed losses would mostly be off idle.
This is coming from a person that used a set of 205cc heads on an engine that he was worried about low rpm tq.
It was 418 ci, ~11:1 comp, 237/242 duration cam I think, and a 3400 stall.
I am running L92's and a carb style intake on my 370ci set-up so we will know then. If I ever have time to put it together.
If there was any loss of low speed tq most people wouldn't notice it since they would have a higher stall and the low speed losses would mostly be off idle.
This is coming from a person that used a set of 205cc heads on an engine that he was worried about low rpm tq.
It was 418 ci, ~11:1 comp, 237/242 duration cam I think, and a 3400 stall.
I am running L92's and a carb style intake on my 370ci set-up so we will know then. If I ever have time to put it together.
11-19-2006, 08:49 PM
#6
Originally Posted by TurboGibbs
I am running L92's and a carb style intake on my 370ci set-up so we will know then. If I ever have time to put it together.
Last edited by 02sierraz71_5.3; 11-19-2006 at 09:00 PM.
11-21-2006, 01:00 AM
#7
TECH Fanatic
Join Date: Jul 2005
Location: Beebe, Arkansas
Posts: 1,676
Likes: 0
Received 0 Likes
on
0 Posts
The new vortec max motor (L76) is a 6.0L and has the same heads as the L92 so looks like they should work on a Gen III 6.0L, you need the L92/L76 intake, though the GenIII won't work.
Thread
Thread Starter
Forum
Replies
Last Post
