L92 heads
Thread Starter
TECH Fanatic
Joined: Oct 2007
Posts: 1,129
Likes: 0
From: Ventura County, California
So is L92 the way to go?
What is the least expensive cylinder head setup that flows the most cfm?
I saw that l92 heads ported will flow in the 370 cfm fully assembled for around 1800.00
Are there better heads out there for the price?
Also who makes makes the 6 bolt per cylinder heads because down the road I want to run a LSX block?
What is the least expensive cylinder head setup that flows the most cfm?
I saw that l92 heads ported will flow in the 370 cfm fully assembled for around 1800.00
Are there better heads out there for the price?
Also who makes makes the 6 bolt per cylinder heads because down the road I want to run a LSX block?
My 92 heads cost me $805 total for the heads, rockers, rocker stands
L92 heads bare= $200 each from gm
valves/retainers/keepers=$150 new gm
pac 1218 valve springs=175
8 intake rocker arms, $7 each from gm
2 rocker stands for L92 valve spacing $24
L92 heads bare= $200 each from gm
valves/retainers/keepers=$150 new gm
pac 1218 valve springs=175
8 intake rocker arms, $7 each from gm
2 rocker stands for L92 valve spacing $24
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Stock GM Heads typically cost:
$380 pr
16x $15 each for Valves $240
Double Spring Kit $275
Total: $900
PRC CNC Ported L92 Heads
$1099 with stock springs
$1349 with prc doubles
For the power gains the prc head is definately worth the little bit of extra $$ over the stock gm castings.
$380 pr
16x $15 each for Valves $240
Double Spring Kit $275
Total: $900
PRC CNC Ported L92 Heads
$1099 with stock springs
$1349 with prc doubles
For the power gains the prc head is definately worth the little bit of extra $$ over the stock gm castings.
__________________
Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com
Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com
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L92 heads are a great pickup for something like a stroker engine. On our 403 combo L92's made right under 550 in a 6speed Vette. They flow excellent numbers out of the box, but as mentioned above, make sure your air pump can pump enough for those heads.
-Marcus
-Marcus
Stock GM Heads typically cost:
$380 pr
16x $15 each for Valves $240
Double Spring Kit $275
Total: $900
PRC CNC Ported L92 Heads
$1099 with stock springs
$1349 with prc doubles
For the power gains the prc head is definately worth the little bit of extra $$ over the stock gm castings.
$380 pr
16x $15 each for Valves $240
Double Spring Kit $275
Total: $900
PRC CNC Ported L92 Heads
$1099 with stock springs
$1349 with prc doubles
For the power gains the prc head is definately worth the little bit of extra $$ over the stock gm castings.
Stock GM Heads typically cost:
$380 pr
16x $15 each for Valves $240
Double Spring Kit $275
Total: $900
PRC CNC Ported L92 Heads
$1099 with stock springs
$1349 with prc doubles
For the power gains the prc head is definately worth the little bit of extra $$ over the stock gm castings.
$380 pr
16x $15 each for Valves $240
Double Spring Kit $275
Total: $900
PRC CNC Ported L92 Heads
$1099 with stock springs
$1349 with prc doubles
For the power gains the prc head is definately worth the little bit of extra $$ over the stock gm castings.
Also which valves are they? The SUV or light weight LS3?
Here is a pic..these are mine before they went on..
Valves: Stock, 2.16", 1.59"
PRC Gold .660" Lift Dual-Coil Springs
I paid $600 for the Heads, Valves, Offset Rockers, and the Pedistals.
Valves: Stock, 2.16", 1.59"
PRC Gold .660" Lift Dual-Coil Springs
I paid $600 for the Heads, Valves, Offset Rockers, and the Pedistals.
