ATTN CNC Head Porting vendors
Thread Starter
TECH Apprentice
iTrader: (9)
Joined: Mar 2004
Posts: 343
Likes: 0
From: Denton, Texas
ATTN CNC Head Porting vendors I have an almost new set of 243 heads that I want CNC ported. Hand finishing is nice but I want all ports equal. Please PM, Email or post prices to port my heads. They are stock 2005 LS2 heads with Manley dual springs and titanium retainers. Work will begin as soon as I find a suitable price. My 408 is being built right now so time is of the essense.
Email redheartbeat@gmail.com
Email redheartbeat@gmail.com
TECH Senior Member
Joined: Mar 2004
Posts: 14,620
Likes: 17
From: BFE
TSP is a ~235 intake CNC and Patriot is a ~227 CNC, from the size of your motor, I would go TSP. Ask about opening up the chambers to your bore size, I know they can do that and you'll benefit a lot from that.
IMO you should also invest in aftermarket seats and bigger valves.
IMO you should also invest in aftermarket seats and bigger valves.
Originally Posted by Red Heartbeat
I have an almost new set of 243 heads that I want CNC ported. Hand finishing is nice but I want all ports equal. Please PM, Email or post prices to port my heads. They are stock 2005 LS2 heads with Manley dual springs and titanium retainers. Work will begin as soon as I find a suitable price. My 408 is being built right now so time is of the essense.
Email redheartbeat@gmail.com
Email redheartbeat@gmail.com
Banned - Ed Curtis aka EDC
Joined: Aug 2006
Posts: 100
Likes: 1
Originally Posted by LSX-Racer
Keep in mind that those numbers are with a 2.08" valve, on a 4.155" bore, with a 237cc runner. Below are some flow figures from a set of our 243's with a 227 runner, 2.00"/1.55" valves, on a 3.905" bore:
.100" 78 / 67
.200" 147 / 122
.300" 210 / 175
.400" 248 / 214
.500" 283 / 220
.550" 294 / 224
.600" 302 / 227
Trending Topics
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?
Pouria Savadkouei
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine
Verdad Gallardo
7 Most Reliable High-Performance Engines GM Has Ever Built
Verdad Gallardo
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin
Verdad Gallardo
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo Thread Starter
TECH Apprentice
iTrader: (9)
Joined: Mar 2004
Posts: 343
Likes: 0
From: Denton, Texas
I guess I should have mentioned the engine these heads would be going upon. It will be a LQ4 408ci steel block with a CompCams 54-448-11 bumpstick. The engine started life as a 1998 T/A LS1 and then the 243 went on. Now it's time to move upwards.
Yep go ahead and have a stage 3 job done. Most of the budget wars won't apply for your heads.
Call TEA as well at 330-784-5210.
I would go with a 2.08 intake/1.60exhaust valve.
Or you could always sell the 243's and go with a set of 225's from AFR/ETP/Trickflow....
Call TEA as well at 330-784-5210.
I would go with a 2.08 intake/1.60exhaust valve.
Or you could always sell the 243's and go with a set of 225's from AFR/ETP/Trickflow....
