How much compression can I run? LS2/L92 setup
How much compression can I run? LS2/L92 setup Hey guys,
I'm getting ready to slap on a set of L92 heads on my 05 C6. Haven't gotten my cam yet but it will be something around a 224/228 with no more than .600 lift. The car is a daily driver so reliability is a must.
My question is:
How much compression can I run on pump gas (91 octane)? The higher the better so i can retain as much bottom end power.
I know the pistons will need to be fly cut & heads will need to be milled.
Thanks guys
I'm getting ready to slap on a set of L92 heads on my 05 C6. Haven't gotten my cam yet but it will be something around a 224/228 with no more than .600 lift. The car is a daily driver so reliability is a must.
My question is:
How much compression can I run on pump gas (91 octane)? The higher the better so i can retain as much bottom end power.
I know the pistons will need to be fly cut & heads will need to be milled.
Thanks guys
Staging Lane
Joined: Nov 2008
Posts: 96
Likes: 0
From: Belen, NM
With a 224 / 228 cam you may not need to flycut the pistons. You may also just be able to use cometic thinner head gaskets and get the compression bump you need. 11.5 - 11.75 to 1 should still be fine on pump gas.
Ya i'm almost positive I'm going to have to flycut the pistons.
I think i'll go with 11.5:1 or 11.75:1 just because i only have access to 91 octane here in SoCali.
Thanks for your help guys.
I think i'll go with 11.5:1 or 11.75:1 just because i only have access to 91 octane here in SoCali.
Thanks for your help guys.
So what do these heads like better?
smaller cams like a 224/228 or something bigger like a 232/236?
I want something that can keep a good amount of bottom end torque but screams up top. This will also be going into a daily driver so i don't want any surging or shaking.
LG motorsports is recommending me to go with their G6X3 Executive cam.
Thanks for all your opinions guys.
smaller cams like a 224/228 or something bigger like a 232/236?
I want something that can keep a good amount of bottom end torque but screams up top. This will also be going into a daily driver so i don't want any surging or shaking.
LG motorsports is recommending me to go with their G6X3 Executive cam.
Thanks for all your opinions guys.
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These heads love timing - more so than the cathedral port heads. Give up some CR and add timing to make HP. They will still produce great low/mid power.
Just my $.02
Been there - done that.
Just my $.02
Been there - done that.
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Originally Posted by WKMCD
These heads love timing - more so than the cathedral port heads. Give up some CR and add timing to make HP.
Good luck
EDIT: I have not evaluated PTV for the suggested cam. got to be carefull if you do not end up fly cutting.
Last edited by Ragtop 99; Mar 1, 2009 at 07:39 PM.
