LS1TECH - Camaro and Firebird Forum Discussion
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LS1TECH - Camaro and Firebird Forum Discussion (https://ls1tech.com/forums/)
-   Forced Induction (https://ls1tech.com/forums/forced-induction-9/)
-   -   max psi on stock heads? (https://ls1tech.com/forums/forced-induction/1478029-max-psi-stock-heads.html)

Fbodyjunkie06 10-20-2011 12:57 PM
Do 241's and 853's have the same deck thickness and is it true that 241's have a thicker deck?

slow93z 10-20-2011 07:30 PM
wanting to know as well if the 241s have a thicker deck

703 CAMAROSS 10-20-2011 07:31 PM
That's what iv been told I don't know for sure id like to know as well

Fbodyjunkie06 10-20-2011 07:55 PM
Sure would be nice, I know it isn't going to help near as much as say an aftermarket casting would, but it might be a small crutch over other castings if it is indeed true.

703 CAMAROSS 10-20-2011 08:13 PM
I wonder if patriot or tony mamo would know

703 CAMAROSS 10-20-2011 08:34 PM
https://ls1tech.com/forums/generatio...ease-help.html
That's my thread when I was told that it was thicker.

skinnies 10-21-2011 02:56 AM
24lbs a lot on my 5.3 with a billet 76, have hit 30lbs when doing some testing though. Also running 24lbs on a 6.0 with a t6 gt88 with no coolant pushed. Use ls9 gaskets and arp head studs!

stock48 10-21-2011 05:57 AM
Originally Posted by skinnies (Post 15532364)
24lbs a lot on my 5.3 with a billet 76, have hit 30lbs when doing some testing though. Also running 24lbs on a 6.0 with a t6 gt88 with no coolant pushed. Use ls9 gaskets and arp head studs!
Dam! Is that a stock bottom end 6.0L?

skinnies 10-21-2011 06:19 AM
Originally Posted by stock48 (Post 15532475)
Dam! Is that a stock bottom end 6.0L?
yes sir

rotary1307cc 10-21-2011 08:53 AM
its all in the tune. you could be lifting heads on 10psi if it isnt right

87silverbullet 10-21-2011 09:01 AM
Originally Posted by LSevil1 (Post 15525761)
@gimmeluvin

8.5:1 cp's
72cc PRC stg. III 2.08/1.60 ported from TSP. (317's)
Comp 236/242 .610/.612 lift 114 lsa 12.5 degrees of overlap IIRC.
103# hi imp. injectors.

I really never intended to hit 18#'s. Was a mistake actually. lol.
13#'s for -DD
What internals do you have?

Fbodyjunkie06 10-21-2011 10:58 AM
Since I started pushing 15psi I always pop the hood at the end of the track before I get on the return road to see if it has pushed any water/coolant and so far so good.

headed-ws6 10-21-2011 11:07 AM
This is good to hear im hoping to push my twin setup to 900ish rwhp when im done would be nice to use a lsa head lol

Fbodyjunkie06 10-21-2011 11:10 AM
The LS9/LSA heads do have a thicker deck on them.

headed-ws6 10-21-2011 11:42 AM
sweet deal i have heard nothing but good things from them...

stock48 10-21-2011 11:29 PM
Originally Posted by skinnies (Post 15532504)
yes sir
Crazy that's gotta be big power. 04 up style block?

skinnies 10-22-2011 05:30 AM
Sadly nope, it had the old rods in it.

FasTimeSS 10-23-2011 12:53 PM
Originally Posted by skinnies (Post 15536001)
Sadly nope, it had the old rods in it.
fucking truly unbelievable, no rod bolts or nothing?!?!? ls9 head gaskets right?

skinnies 10-24-2011 04:57 AM
Originally Posted by FasTimeSS (Post 15539863)
fucking truly unbelievable, no rod bolts or nothing?!?!? ls9 head gaskets right?
correct and with arp head studs.

The Beast 10-24-2011 11:39 PM
25psi on 317s


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